Results 51 to 60 of about 166,660,675 (310)

The use of atomic force microscopy to assess the quality of cleaning and tribometric properties of a silicon wafer surface [PDF]

open access: yesКомпьютерная оптика, 2019
Differences in the values of adhesive forces of interaction between the probe tip of an atomic force microscope and the cleaned surfaces of silicon wafers during their treatment with isopropyl alcohol and distilled water were investigated experimentally.
Igor Mikheev , Faat Vakhitov
doaj   +1 more source

Salmonella lipopolysaccharide‐containing supported lipid bilayers as platforms to study bacteriophage interactions

open access: yesFEBS Letters, EarlyView.
We present robust protocols for the preparation of supported lipid bilayers (SLBs) incorporating either Salmonella smooth LPS or outer membrane vesicles (OMVs). We use a combination of quartz crystal microbalance with dissipation (QCM‐D) and fluorescence microscopy to both characterize the SLBs of various compositions and to probe their interactions ...
Hudson P. Pace   +6 more
wiley   +1 more source

Army Service Forces: Annual report for the fiscal year 1944

open access: yes, 2023
AIWUA1L imJEIPaDHEir FOR THE FISCAL YEAR 1044 —.R"^rN c s ESoEsE^ 15 November 13hh TO J Subjeot* wLfS *»• 1944‘ . 4% the annual report of ^ i. j“SsrKTX.S’.~i194t- Array ServioeFo io0 Forces is to o The primary job of ^f^iesand to transport procure the ...
United States. Army Service Forces
core  

Influence of new qualitative productivity forces on quality-effective change in China's Yangtze river economic belt sports industry: The mediating effect of industry-University-Research Cooperation.

open access: yesPLoS ONE
Due to the lack of empirical research on the influence of new qualitative productivity forces on quality-effective change in the sports industry, entropy-weighted threshold-based estimation (TOPSIS) is used based on panel data for 11 provinces and cities
Xiuqin Chen, Songzhong Ye
doaj   +1 more source

Resistance to Change in Public Organization: Reasons and How to Overcome It

open access: yesEuropean Journal of Business Science and Technology, 2018
The objective behind this paper is to explore the main sources of resistance to change and how that resistance effects the whole organization. Employees' duty and overseeing resistance effectively are basic essentials for forceful change management. This
Ayesha Amjad, Muqqadas Rehman
doaj   +1 more source

From mice to humans—divergent strategies for intestinal homeostasis and regeneration

open access: yesFEBS Letters, EarlyView.
Recent advances such as organoid genome editing, xenotransplantation, imaging, and whole‐genome sequencing have enabled direct studies of human intestinal stem cells (ISCs). These studies reveal species‐specific features, including slower ISC proliferation, distinct injury responses, slower somatic mutation accumulation in humans, and an inverse ...
Keiko Ishikawa   +2 more
wiley   +1 more source

Loyalty Islands [cartographic material] /

open access: yes, 1943
Relief shown by hachures.; Includes map index and declination diagram.; Map series of Loyalty Islands showing grass, wooded and cultivated lands, woodlands, plantation, corals, ridges and peaks, bluffs, roads, trails, marshes, villages, brushes, and ...
United States. Army Air Forces.
core  

Forces for Change in Mathematics Education—: The Case of TIMSS

open access: yesEducation Policy Analysis Archives, 2000
The results of the Third International Study in Mathematics and Science Education (TIMSS) were published in 1996/7. Since that time the participating countries have reacted in a variety of ways to the comparative performance of their students.
Donald S. Macnab
doaj  

Simultaneous Clamping and Cutting Force Measurements with Built-In Sensors

open access: yesSensors, 2020
The intensity of the clamping force during milling operations is very important, because an excessive clamping force can distort the workpiece, while inadequate clamping causes slippage of the workpiece.
Sina Rezvani   +3 more
doaj   +1 more source

Structural insights and therapeutic targets in Acinetobacter baumannii capsule biosynthesis

open access: yesFEBS Letters, EarlyView.
Hypervirulent KL49 A. baumannii's capsular polysaccharide contains the nonulosonic acid 8‐epi‐Leg5,7Ac2, synthesized by epimerization via ElaA, ElaB, and ElaC. Crystal structures of ElaA, ElaB, and ElaC reveal their role in CMP‐Leg5,7Ac2 synthesis and regioselective C8 epimerization.
Woo Cheol Lee   +7 more
wiley   +1 more source

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