2021


A rising tide lifts all boats: the role of share and category changes in managing organic sales growth

Alkali-activated slag concrete with paper industry waste

Combined benefits of cooling with heat recovery for electrical cable tunnels in cities

Hybrid spiral-bacterial foraging algorithm for a fuzzy control design of a flexible manipulator

High-Speed Railway

Traditional Chinese Medicine in Cancer Care: An Overview of 5834 Randomized Controlled Trials Published in Chinese

Decoupling the influence of wall thinning and cladding thickness variation pulsed eddy current using principal component analysis

A compact laser shearography system for on-site robotic inspection of wind turbine blades

Attack Of The Drones’ Exploration Of The Sound Power Levels Emitted And The Impact Drone’s Could Have Upon Rural Areas

Teaching Acoustics under COVID: Lab in a Box for Experiments at Home

Waste Heat Recovery from Underground Railways – Evaluating the Cooling Potential

Review of Intelligent Control Systems for Natural Ventilation as Passive Cooling Strategy for UK Buildings and Similar Climatic Conditions

Investigation of opportunities for utilising waste heat for district heating networks in cities

Towards the Development of Sustainable Ground Improvement Techniques —Biocementation Study of an Organic Soil

Rights of non-autistic children and young persons with PDA

A framework for modelling economic regional location processes under uncertainty

Influence of blockchain adoption on technology transfer, performance and supply chain integration, exibility and responsiveness. A case study from IT&C medium size enterprises

The sooner the better: lives saved by the lockdown during the COVID-19 outbreak. The case of Italy

A new concept of reliability system and applications in finance

Stability recovery performance in adults over a wide age range: A multicentre reliability analysis using different lean-and-release test protocols.

Exploring adult critical illness survivors’ experiences of fatigue; a qualitative study

Biological basis of child health 12: the endocrine system and common childhood endocrinopathies.

Enhancing students’ employability skills awareness through the accounting professional body on an undergraduate accounting degree

Investigating undercurrents of stationarity and growth with long-term panel data

Demand Avoidance Phenomena (“Pathological”/ “Extreme” Demand Avoidance): is it a Disorder at a lower diagnostic threshold?

A review on biomass-derived materials and their applications as corrosion inhibitors, catalysts, food and drug delivery agents

Barriers and facilitators to implementing and sustaining peer support in kidney care

Opening Pandora’s Box: How Does Peer Assessment Affect EFL Students’ Writing Quality?

Metadiffusers for Quasi-Perfect and Broadband Sound Diffusion

A discriminant analysis model of psychosocial predictors of problematic Internet use and cannabis use disorder in university students.

Doing Gender and Being Gendered Through Occupation: Transgender and Non Binary Experiences

eHealth literacy during the COVID-19 pandemic: seeking, sharing, suspicion amongst older and younger UK populations

Synthesis of Planar Stiffness

Sexism and Project Studies: The Case of Construction and Engineering Organizations

A Bibliometric Study on Biomimetic and Bioinspired Membranes for Water Filtration

The Unbearable Lightness of Buying

Flow Field Structure, Characteristics of Thermo-Hydraulic and Heat Transfer Performance Analysis in a Three Dimensions Circular Tube with Different Ball Turbulators Configurations

Improving Thermal Energy Performance of UK Built Environment through the Use of Shading Devices

Pyroelectric Materials for Energy Harvesting

Affordances of the Networked Image

Development of a robot for in-service radiography inspection of subsea flexible risers

What is an Image?

A strategy to face the impact of Covid-19 and technology disruption on higher education in the 2020-2025 lustrum

An Autonomous Wall Climbing Robot for Inspection of Reinforced Concrete Structures: SIRCAUR

Embedded training for undergraduate children’s nursing students to increase self-leadership, personal autonomy and emotional agility skills.

Pituitary volume in people with chronic schizophrenia: Clarifying the roles of serious violence and childhood maltreatment

RIVAROXABAN

A pluriverse of local worlds: A review of Computing within Limits related terminology and practices

Linearized esculentin-2EM shows pH dependent antibacterial activity with an alkaline optimum.

Chinese Herbal Medicine Xingnaojing Injection for Acute Ischemic Stroke: An Overview of Systematic Reviews and Meta-Analyses.

Self-harm and Mental Health Characteristics of Prisoners with elevated rates of autistic traits.

High yield recovery of 2,3-butanediol from fermented broth accumulated on xylose rich sugarcane bagasse hydrolysate using aqueous two-phase extraction system

Blog: The role of Education in Civil Engineering to face Climate Change

The role of Education in Civil Engineering to face Climate Change

Climbing robot to perform radiography of wind blades

A Perspective on the Catalysis Using the High Entropy Alloys

An analytical model to predict the depth of sub-surface damage for grinding of brittle materials

Emergence of machine learning in the development of high entropy alloy and their prospects in advanced engineering applications

Large scale manufacturing route to metamaterial coatings using thermal spray techniques and their response to solar radiation

China and imperialism in the 21st century

Getting It Straight: Accommodating Rectilinear Behavior in Captive Snakes-A Review of Recommendations and Their Evidence Base.

London South Bank University

Reducing carbon footprint and cooling demandin arid climates using an integrated hybrid ventilation and photovoltaic approach

Supporting Students Who Stammer in Higher Education

Intellectual Disabilities Behavior Under the Lens of Embodied Cognition Approaches

The COVID-19 anxiety syndrome and selective attentional bias towards COVID-19-related stimuli in UK residents during the 2020-2021 pandemic

Model–Database–Interface: A study of the redesign of the ArtBase, and the role of user agency in born-digital archives

Driving Sustainability through Engineering Management and Systems Engineering

Systems level profiling of chemotherapy-induced stress resolution in cancer cells reveals druggable trade-offs

The innate sensor ZBP1-IRF3 axis regulates cell proliferation in multiple myeloma

DAPAGLIFLOZIN

Therapeutic effects and safety of oral Chinese patent medicine for COVID-19: A rapid systematic review and meta-analysis of randomized controlled trials

Editorial for Volume 35, Issue 2

Using intuition in social work decision making

Reducing fire risk in buildings: the role of fire safety expertise and governance in building and planning approval

EkmEx - An Extended Framework for Labeling an Unlabeled Fault Dataset

A Dynamic and Scalable User-centric Route Planning Algorithm Based on Polychromatic Sets Theory

What can whiskers tell us about mammalian evolution, behaviour, and ecology?

Biological basis of child health 11: anatomy, physiology and development of the senses.

ESG investing: A chance to reduce systemic risk

Identifying Assessment Opportunities in Postgraduate Learning for Sustainability

“For them and for me”: a qualitative exploration of peer befrienders’ experiences supporting people with aphasia in the SUPERB feasibility trial

Peripheral recovery: ‘Keeping safe’ and ‘keep progressing’ as contradictory modes of ordering in a forensic psychiatric unit

Cross Functional Integration between Organizational Structure and the New Product Development Process

Nature inspired materials: Emerging trends and prospects

Emergence of machine learning in the development of high entropy alloy and their prospects in advanced engineering applications

Rethinking and Adapting Approaches to Education for Sustainability to Address Cultural and Behavioural Change and Challenges

Evaluation of a personal professional mentor scheme for newly qualified nurses.

Thermophysics Analysis of Office Buildings with a Temperature–Humidity Coupling Strategy Under Hot-Arid Climatic Conditions

Energy and Exergy Analyses on Seasonal Comparative Evaluation of Water Flow Cooling for Improving the Performance of Monocrystalline PV Module in Hot-Arid Climate

Immediate Psychosocial Impact on Healthcare Workers During COVID-19 Pandemic in China: A Systematic Review and Meta-Analysis

Moderating Effect of Senior Management Support on the Relationship between Schedule Delay Factors and Project Performance

Mediating Role of Switch Leadership between Dynamic Work Environment and Project Success

Stories from lockdown: the impact of the Covid19 pandemic on the well-being of clients at Southwark Day Centre for Asylum Seekers (SDCAS)

Book review: The Good Ancestor: How to think long term in a short-term world, by Roman Krznaric

Adaptability to Balance Perturbations During Walking as a Potential Marker of Falls History in Older Adults

Examining the impact of Diabetes Inpatient Specialist Nursing in acute trusts in London

Pharmacists in advanced clinical practice roles in emergency departments (PARED).

Robust, Resilient and Reliable Architecture for V2X Communication

Self-critical Rumination and Associated Metacognitions as Mediators of the Relationship Between Perfectionism and Self-esteem.

Tioconazole and Chloroquine Act Synergistically to Combat Doxorubicin-Induced Toxicity via Inactivation of PI3K/AKT/mTOR Signaling Mediated ROS-Dependent Apoptosis and Autophagic Flux Inhibition in MCF-7 Breast Cancer Cells.

Why we should stop using animal-derived products on patients without their consent

Outdoor light pollution and COVID-19: The Italian case

Cyamella (a popliteal sesamoid bone) prevalence: A systematic review, meta‐analysis, and proposed classification system

An examination of Advanced Clinical Practice: Qualitative insights from therapeutic radiography advanced and consultant practitioners based in England.

Why we should not extend the 14-day rule

Editorial: Muscle and Tendon Plasticity and Interaction in Physiological and Pathological Conditions

Development of Quantum Dot (QD) Based Color Converters for Multicolor Display.

Infrastructure Projects’ Assessment Through SDG Targets: Towards a Comprehensive Framework

Glossary

6G Vision: Towards Future Collaborative Cognitive Communication (3C) Systems

Chinese Herbal Medicine Xingnaojing Injection for Ischemic Stroke:An Overview of Systematic Reviews and Meta-analyses

Changes in pain catastrophization and neuropathic pain following operative stabilisation for patellofemoral instability: a prospective cohort with 12-month follow-up

The diagnosis and management of testicular cancer

Neurally Adjusted Ventilator Assist in Infants With Acute Respiratory Failure: A Literature Scoping Review.

Biological basis of child health 10: function and formation of blood and common blood disorders in children.

Does social capital explain the Solow residual? A DSGE approach

Does the law think that black lives matter? A reflection upon the role of the public sector equality duty in promoting racial equality before the law

Municipal waste management: A complex network approach with an application to Italy.

Innovation ambidexterity and impact on the performance in IT companies: the moderating role of business experience

Development of an MFL Coil Sensor for Testing Pipes in Extreme Temperature Conditions

Blogs, identity, stigma and scars: The legacy of self-injury

Immersive technology-driven investigations on influence factors of cognitive load incurred in construction site hazard recognition, analysis and decision making

Voice in context: An international comparative study of employee experience with voice in small and medium enterprises

Exploration of the physical health of dual users of heroin and crack in methadone treatment who inject or have previously injected drugs

Customising Evacuation Instructions for High-Rise Residential Occupants to Expedite Fire Egress: Results from Agent-Based Simulation

AZT / ABACAVIR

Mechanistic insight into the fluorescence activity of forensic fingerprinting reagents.

Bribes, Lobbying and Industrial Structure

Predicting future cancer burden in the United States by artificial neural networks

Preface: recent developments in financial modelling and risk management

Data validity and statistical conformity with Benford's Law

Does Death Anxiety Inhibit Product Innovation?An Exploratory Study In Small Manufacturing Companies

Benford's laws tests on S&P500 daily closing values and the corresponding daily log-returns both point to huge non-conformity

Clinical Application of Chinese Herbal Injection for Cancer Care: Evidence-Mapping of the Systematic Reviews, Meta-analyses, and Randomized Controlled Trials.

Talking Tolerance: Being Deliberative about Fundamental British Values

Exploring entrepreneurial pivoting and the factors that trigger pivots by tech startups

Laboratory Investigations of the Bending Rheology of Floating Saline Ice and Physical Mechanisms of Wave Damping In the HSVA Hamburg Ship Model Basin Ice Tank

Cost Changes in UK Design and Build Projects

The UK Retail Industry and its Effect on Construction Sectors

Role of Polymorphisms of NKG2D Receptor and Its Ligands in Acute Myeloid Leukemia and Human Stem Cell Transplantation

Ethnic inequalities in mental health and socioeconomic status among older women living with HIV: results from the PRIME Study.

Novel online conference held to promote mutual discipline awareness between acoustics and architecture students

Eye acupuncture for pain conditions: a scoping review of clinical studies.

A guide to airway management

Effects of age on goal-dependent modulation of episodic memory retrieval.

A systematic review of metacognitions in Internet Gaming Disorder and problematic Internet, smartphone, and social networking sites use

Breast lesion detection through MammoWave device: Empirical detection capability assessment of microwave images' parameters.

Post-War Societies: Great Britain and Ireland

Economic performance evaluation of the wind supercharging solar chimney power plant combining desalination and waste heat after parameter optimization

Worked Examples of Radiation Heat Transfer

Study of the Flow Characteristics, Pressure Drop and Augmentation of Heat Performance in a Horizontal Pipe with and without Twisted Tape Inserts

Study on Waxy Crudes Characterisation and Chemical Inhibitor Assessment

From Erasmus to Turing: What now for Study Mobility between the UK and the EU? Damage Limitation and New Opportunities

New converts and seasoned campaigners: the role of social identity at different stages in the addiction recovery journey

3D Gait Abnormality Detection Employing Contactless IR-UWB Sensing Phenomenon

Study of novel solar assisted heating system

Flow boiling in a four-compartment heat sink for high-heat flux cooling: A parametric study

Research project to reduce the sound level in the pit

Usher syndrome, an unseen/hidden disability: a phenomenological study of adults across the lifespan living in England

Contrasting Learning Psychology Theories Applied to the Teaching-Learning-Training Process of Tactics in Soccer

Factors influencing environmental performance: a bibliometric review and future research agenda

TAMOXIFEN

Molecular dynamics simulation of AFM tip-based hot scratching of nanocrystalline GaAs

Metacognitions as a predictor of online gaming in adolescents: Psychometric properties of the metacognitions about online gaming scale among iranian adolescents

Collaborations for Digital Transformation: Case Studies of Industry 4.0 in Brazil

Movement Matters! Understanding the Developmental Trajectory of Embodied Planning

Inter-individual differences in sport refereeing: A review of theory and practice

A systematic review and meta-analysis of cannabis-based medicines, cannabinoids and endocannabinoid system modulators tested for antinociceptive effects in animal models of injury-related or pathological persistent pain

London Branch news

Towards An SDN Assisted IDS

When the brain, but not the person, remembers: Cortical reinstatement is modulated by retrieval goal in developmental amnesia.

What is the significance of hearing a heart murmur during the newborn physical examination?

A thematic analysis of the prevention of future deaths reports in healthcare from HM coroners in England and Wales 2016–2019

Implementation of advanced practice nursing for minor orthopedic injuries in the emergency care context – a non-inferiority study

Impact of environmental regulations on carbon emissions of transportation infrastructure: China’s evidence

Metacognitive beliefs across eating disorders and eating behaviours: A systematic review

Talking about rights without talking about rights: on the absence of knowledge in classroom discussions

Changes in puffing topography and subjective effects over a 2-week period in e-cigarette naïve smokers: effects of device type and nicotine concentrations

The Impact of Supervised Manifold Learning on Structure Preserving and Classification Error: A Theoretical Study

Experimental investigation on semicircular, triangular and rectangular shaped absorber of solar still with nano-based PCM

Enhancing Transformer-based language models with Commonsense Representations for Knowledge-driven Machine Comprehension

Biological Basis to Child Health 14: The Immune System

Origins of ductile plasticity in a polycrystalline gallium arsenide during scratching: MD simulation study

The diagnosis and management of Henoch-Schönlein purpura

Does the content and source credibility of health and risk messages related to nicotine vaping products have an impact on harm perception and behavioural intentions? A systematic review

In-depth microscopic characterisation of the weld faying interface revealing stress-induced metallurgical transformations during friction stir spot welding

Mental Health Nurse Academics can help attain Goals for Mental Health Research and influence Policy

Enabling Real-Time AI Edge Video Analytics

‘Emotion is of the essence. … Number one priority’: A nested qualitative study exploring psychosocial adjustment to stroke and aphasia

Electrokinetic biocementation of an organic soil

Supporting wellbeing through peer-befriending (SUPERB) for people with aphasia: A feasibility randomised controlled trial

Does alcohol-related desire thinking predict in-the-moment drinking behaviours?

London Greenwich foot tunnel acoustics characterisation

Volitional step execution is an ineffective predictor of recovery performance after sudden balance loss across the age range

Novel hybrid method to additively manufacture denser graphite structures using Binder Jetting.

THEOPHYLLINE

Introduction: Ways of Machine Seeing

Analysis and design of recycled glass bead sandwich panels in bending

Towards Consumer 4.0 Insights and Opportunities under the Marketing 4.0 Scenario

Protective effects of vitamins/antioxidants on occupational noise induced hearing loss: A systematic review

Hypothesis on the Influence of the Magnetic Behaviour of Hydrogen Doped Zinc Oxide during its Plasma Sputtering Process

An Efficient Continuous Hydrothermal Flow Synthesis of Carbon Quantum Dots from a Targeted Biomass Precursor for On-Off Metal Ions Nano-Sensing

A Self-Organised Knowledge Defined Networks Architecture for Reliable Routing

Positioning as Service for 5G IoT Networks

A Comparative Analysis of Deadlock Avoidance and Prevention Algorithms for Resource Provisioning in Distributed MEC

A Novel Predictive-Collaborative-Replacement (PCR) Intelligent Caching Scheme for Multi-Access Edge Computing (MECs)

‘Contextualisation as a (Feminist) Method for Transnational Legal Practice

Using circular economy principles to recycle materials in guiding the design of a wet scrubber-reactor for indoor air disinfection from coronavirus and other pathogens.

Alkali-activated concrete mixes with ground granulated blast furnace slag and paper sludge ash in seawater environments

Experimental investigation of the characteristics of the transition from spherical cap bubble to slug flow in a vertical pipe

Problematic Internet Use in early adolescence: The role of attachment and negative beliefs about worry

Deep learning for the prediction of treatment response in depression

Editorial COVID-19: will you as a mental health nurse get vaccinated?

Lead limb loading during a single-step descent in persons with and without a transtibial amputation in the trailing limb

Drug Breakdown: CARBAMAZEPINE

Critical care without walls—and into cardiac nursing

Managing headlice in children

The effect of e-cigarettes on smoking cessation and cigarette smoking initiation: An evidence-based rapid review and meta-analysis.

Potential pathway for recycling of the paper mill sludge compost for brick making

A Review of Recent Advances in Emerging Alternative Heating and Cooling Technologies

Performance prediction and evaluation on the first balanced energy networks (BEN) part I: BEN and building internal factors

Exploring the potential of heat as a service in decarbonization: Evidence needs and research gaps

Exploring the etiological pathways of Problematic Pornography Use in NoFap/PornFree rebooting communities: A critical narrative analysis of Internet forum data

Transcutaneous vagus nerve stimulation via tragus or cymba conchae: Are its psychophysiological effects dependent on the stimulation area?

Optimizing regional allocation of CO2 emissions considering output under overall efficiency

Deep-Learning Estimation of Perfusion Kinetic Parameters in Contrast-Enhanced Ultrasound Imaging

Selling themselves short: How inclusive is the UCAS application process to non-traditional students?

The Advertising Revolution: Past, Present and Future

Dyslexia and syllogistic reasoning in adults: Differences in strategy usage

Brd2/4 and Myc regulate alternative cell lineage programmes during early osteoclast differentiation in vitro

Decision‐making experiences of young adults with long‐term conditions

Differential identity components predict dimensions of problematic Facebook use

The intoxicated co-witness: Effects of alcohol and dyadic discussion on memory conformity and event recall.

Gastrocnemius Medialis Contractile Behavior Is Preserved During 30% Body Weight Supported Gait Training

Controllable Electric Vehicle Fast Charging Approach Based on Multi-Stage Charging Current Methodology

The Generation Z Audience for In-App Advertising

How persistent are Duplication of Purchase partitions?

Teaching Marketing Science

The Effects of Alcohol Use on Prospective Memory: A Systematic Literature Review.

Easy scalable avenue of anti-bacterial nanocomposites coating containing Ag NPs prepared by cryomilling

Potential pathway for recycling of the paper mill sludge compost for brick making

Trajectories of Aristocratic Wealth 1858-2018: Evidence from Probate

Application of Artificial Neural Networks for web-post shear resistance of cellular steel beams

User Selection in Reconfigurable Intelligent Surface Assisted Communication Systems

Biological Basis to Child Health 13: Skin

Recycling of waste coal dust for the energy-efficient fabrication of bricks: A laboratory to industrial-scale study

Bactericidal surfaces: An emerging 21st-century ultra-precision manufacturing and materials puzzle

Consideration of methodological issues when using photo-elicitation in qualitative research.

Chinese herbal medicine used with or without conventional therapy for COVID-19: an evidence review of clinical studies

How do we Assess?

The impact of predictability on dual-task performance and implications for resource sharing accounts

Cryogenic Fuel Storage Modelling And Optimisation For Aircraft Applications

Cancer, Bereavement and Work

Metacontrol and joint action: how shared goals transfer from one task to another?

Mind the Gap! A transatlantic, intergenerational theatre project

Acute psycho-physiological responses to perceptually regulated hypoxic and normoxic interval walks in overweight-to-obese adults

Short-Term Perceptually Regulated Interval-Walk Training in Hypoxia and Normoxia in Overweight-to-Obese Adults.

The influence of sagittal trunk leans on uneven running mechanics

Ways to Improve Multitasking: Effects of Predictability after Single- and Dual-Task Training.

Modelling the contribution of the Big Five personality traits, health anxiety, and COVID-19 psychological distress to generalised anxiety and depressive symptoms during the COVID-19 pandemic

The Quiet Project – UK Acoustic Community’s response to COVID19 during the easing of lockdown

Identifying consistent biomechanical parameters across rising-to-walk subtasks to inform rehabilitation in practice: A systematic literature review

Flexible control of acoustic conditions in a music rehearsal space using airbeds

The analysis of barriers to bim implementation for industrialized building construction: a China study

Fire performance of connections between high-strength steel tubular members

Multiple breaks detection in financial interval-valued time series

Biological basis of child health 9: development of the liver and clinical features of childhood liver disease

Female Credit: Excavating Acknowledgement for the Capcom Sound Team

Influence of agglomeration and selection effects on the Chinese construction industry

Understanding the Communication and Collaboration Challenges Encountered by Technology Managers

Vibration suppression of the horizontal flexible plate using proportional–integral–derivative controller tuned by particle swarm optimization

The Employment Situation of Migrant Workers and Their Experience of Work Life Pressures

Counting on informal networks: the meaning, influence and role of the ‘nutag’-network in Mongolian managers’ thinking

An Unexpected but Fruitful Academic Journey

Healthcare stakeholders’ perceptions and experiences of factors affecting the implementation of critical care telemedicine (CCT): qualitative evidence synthesis

The impact of predictability on dual-task performance and implications for resource-sharing accounts.

A Sexual Harm? HIV Transmission, ‘Biological’ GBH and Ancillary Sentencing Provisions in England and Wales

Factors influencing nurses' engagement with CPD activities: a systematic review.

The Time Course of Compensatory Puffing With an Electronic Cigarette: Secondary Analysis of Real-World Puffing Data With High and Low Nicotine Concentration Under Fixed and Adjustable Power Settings

War art and the formation of community

How do labels using lower strength verbal descriptors, %ABV, or their combination impact wine consumption? A bar laboratory adaptive randomised controlled trial.

Solutions of Critical Raw Materials Issues Regarding Iron-Based Alloys.

Powder Bed Fusion Additive Manufacturing Using Critical Raw Materials: A Review.

Variation in the timing of Covid-19 communication across universities in the UK.

Towards Next-Generation Sustainable Composites Made of Recycled Rubber, Cenospheres, and Biobinder.

Influence of Tool Geometry and Process Parameters on the Properties of Friction Stir Spot Welded Multiple (AA 5754 H111) Aluminium Sheets.

The failed amnesty of the ‘years of lead’ in Italy: Continuity and transformations between (de)politicization and punitiveness

Healthcare stakeholders' perceptions and experiences of factors affecting the implementation of critical care telemedicine (CCT): qualitative evidence synthesis.

Obstacle avoidance training in virtual environments leads to limb-specific locomotor adaptations but not to interlimb transfer in healthy young adults.

Evidence that ageing does not influence the uniformity of the muscle-tendon unit adaptation in master sprinters.

Developing a consensus-based scoring rubric to enhance practice-based assessment of student nurses' clinical competence: A Delphi study.

Development of an MFL Coil Sensor for Testing Pipes in Extreme Temperature Conditions.

Thermo-Economic Analysis on Integrated CO 2, Organic Rankine Cycles, and NaClO Plant Using Liquefied Natural Gas

A Circular Economy for the Data Centre Industry: Using Design Methods to Address the Challenge of Whole System Sustainability in a Unique Industrial Sector

Investigating Smart City Development Based on Green Buildings, Electrical Vehicles and Feasible Indicators

ECC - Time Space Existence 2021

Experimental investigation of liquid viscosity's effect on the flow behaviour and void fraction in a small diameter bubble column: How much do we know?