Results 81 to 90 of about 18,661 (201)

Experimental study on the effect of chitosan dosage on flocculation efficiency of water extract of white peony(壳聚糖投加量对白芍水提液絮凝效果的影响研究)

open access: yesZhejiang Daxue xuebao. Lixue ban, 2017
采用紫外/可见分光光度计、激光粒度分析仪、微电泳仪等,探究壳聚糖投加量对白芍水提液絮凝率、分形维数、粒度分布、ζ电位的影响.实验结果显示,壳聚糖投加量为3.2 mL(0.31 g• L-1)时,絮凝率达到最大值80.88%,此时总黄酮损失率为10.67%,上清液平均粒径为5.42 µm,ζ最接近零电位,为—1.168 2 mV,絮体分形维数为1.463;应用激光粒子测速(PIV)系统对絮体的沉降过程进行分析,建立了沉降过程的数学模型,絮凝过程的最大沉降速度为0.324 1 mm • s-1 ...
ZHANGJianwei(张建伟)   +3 more
doaj   +1 more source

SRS/SBRT commissioning process with a hybrid beam data model in new preconfigured CyberKnife system

open access: yesJournal of Applied Clinical Medical Physics, Volume 27, Issue 10, October 2026.
Abstract Background A new preconfigured CyberKnife system was introduced to improve the SRS/SBRT commissioning efficiency. The vendor provides a reference beam data set, termed “beam data model (BDM)”, and recommends its validation and combination with measurement data to develop a hybrid beam data model (h‐BDM).
Mikoto Tamura   +10 more
wiley   +1 more source

On Improvement of Characteristic Instability and Internal Flow in Mixed Flow Pumps

open access: yesJournal of Fluid Science and Technology, 2008
The difference of pump characteristics between two kinds of mixed flow pumps with low specific speed of 350 (min-1, m3/min, m), which have the same impeller and the different diffuser vanes, is presented in the present paper.
Masahiro MIYABE   +4 more
doaj   +1 more source

Automatic single‐isocenter multiple‐target cranial stereotactic treatment plan optimization via planning system scripting

open access: yesJournal of Applied Clinical Medical Physics, Volume 27, Issue 10, October 2026.
Abstract Background Single‐isocenter multiple‐target stereotactic radiation treatments delivered on C‐arm linear accelerators are increasingly common due to practical advantages in both accessibility and speed compared to multiple isocenter treatments.
Kurtis H. Dekker, Jennifer A. Everaars
wiley   +1 more source

Experimental and numerical flow visualization in rectangular cross-section channels with smooth expansion and contraction

open access: yesНаучно-технический вестник информационных технологий, механики и оптики
Currently, one of the most common types of heat exchangers is plate heat exchangers, including microchannel heat exchangers. To improve the efficiency of heat exchangers, optimization of the plate geometry is necessary which is achieved through numerical
P. A. Bryzgunov   +4 more
doaj   +1 more source

A Bibliometric Review and Visualization of Research Progress in Computational Modeling for Biofuels

open access: yesApplied Research, Volume 5, Issue 5, October 2026.
This bibliometric mapping of biomass‐to‐biofuel computational modeling research (2003–2025) traces the field's rapid growth, key contributors, and international collaboration networks, revealing a decisive shift toward multiscale, hybrid, and AI‐enabled modeling as the field's next frontier for sustainable biofuel production. ABSTRACT The conversion of
Rana Sohaib Ahmad   +5 more
wiley   +1 more source

A State‐of‐the‐Art Study of Vortex‐Excited Vibration Problems in Large‐Span Flat Steel Box Girder Bridges

open access: yesEngineering Reports, Volume 8, Issue 10, October 2026.
The paper consists of four parts. Specially, the first part analyzes the wind challenges of large‐span bridges, including the formation mechanism of wind‐induced vibration disaster of large‐span bridges and typical cases, as well as the limitations of the current wind design codes. The second part reviews the analysis models and experimental techniques
Sai Gong   +4 more
wiley   +1 more source

Femoral central venous access during emergency department cardiac arrest and sustained return of spontaneous circulation: 10‐min landmark cohort

open access: yesHong Kong Journal of Emergency Medicine, Volume 33, Issue 5, October 2026.
Abstract Background Femoral central venous catheterization (CVC) during ongoing emergency department (ED) cardiopulmonary resuscitation (CPR) may improve medication delivery and influence resuscitation outcomes, but observational comparisons are prone to time‐dependent bias.
Abdullah A. Bakhsh
wiley   +1 more source

SynthPix: A lightspeed PIV image generator

open access: yesSoftwareX
We describe SynthPix, a synthetic image generator for Particle Image Velocimetry (PIV) with a focus on performance and parallelism on accelerators, implemented in JAX. SynthPix produces PIV image pairs from prescribed flow fields while exposing a configuration interface aligned with common PIV imaging and acquisition parameters (e.g., seeding density ...
Antonio Terpin   +3 more
openaire   +2 more sources

Mapping the Evidence on Midline Catheter Tip Location, Confirmation Methods and Associated Characteristics: A Scoping Review

open access: yesNursing Open, Volume 13, Issue 10, October 2026.
ABSTRACT Background Midline catheters (MCs) are increasingly utilized as an alternative to peripheral and central venous catheters. However, the lack of standardized protocols for tip location and confirmation methods remains a significant barrier to patient safety and clinical decision‐making.
Jieyu Wang   +9 more
wiley   +1 more source

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