نتایج جستجو برای: فولاد egs

تعداد نتایج: 4959  

Journal: :British Journal of Surgery 2023

Abstract Aim Emergency general surgery (EGS) practice is high risk. Surgery a key part of treatment, with resultant catabolic stress and frequent need for nutritional support. Aims this study were to examine the current methods defining determining malnutrition in EGS. This included examining use nutrition screening assessment tools, other measures malnutrition. Method Medline, Embase, CINAHL, ...

Journal: :British Journal of Surgery 2023

Abstract Aim Malnourished patients undergoing emergency general surgery (EGS) have a greater risk of mortality than those not malnourished. There is often need for nutritional support in EGS. This study investigated the factors total parenteral nutrition (TPN) laparotomy, and whether there an association with NELA score. Method A five-year review (June 2016-2021) local database referrals to Nut...

Journal: :Mechanic of Advanced and Smart Materials 2022

در صنعت پالایشگاه و پتروشیمی‌ها به دلیل وجود تجهیزات تمام فلزی محیط اسیدی خوردگیتنشی زیاد است با توجه افزایش کاربرد فولادهای زنگ نزن این صنایع پژوهش بررسی اثر ضربات امواج اولتراسونیک بر رفتار خوردگی فولاد 316 (S.S 316) می‌پردازیم. هدف از تأثیر روش تنش‌زدایی برافزایش مقاومت قطعات محیط‌های خورنده است. لازم ذکر که، تنش پسمان نمونه‌ها جوش‌کاری ایجادشده ابتدا نمونه مدنظر استفاده ارتعاش تحت فرکانس 20...

2016
Aleks D. Atrens Victor Rudolph

CO2-based enhanced geothermal systems (EGSs) have been examined from a reservoir-oriented perspective, and as a result thermodynamic performance is well explored. Economics of the system are still not well understood, however. In this study, the economics of the CO2-based EGS technology is explored for an optimized power plant design and best-available cost estimation data. We demonstrate that ...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 1995
C Guerrier-Takada Y Li S Altman

Plasmids encoding various external guide sequences (EGSs) were constructed and inserted into Escherichia coli. In strains harboring the appropriate plasmids, the expression of fully induced beta-galactosidase and alkaline phosphatase activity was reduced by more than 50%, while no reduction in such activity was observed in strains with non-specific EGSs. The inhibition of gene expression was vi...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2008
Eirik W Lundblad Gaoping Xiao Jae-Hyeong Ko Sidney Altman

A method of inhibiting the expression of particular genes by using external guide sequences (EGSs) has been improved in its rapidity and specificity. Random EGSs that have 14-nt random sequences are used in the selection procedure for an EGS that attacks the mRNA for a gene in a particular location. A mixture of the random EGSs, the particular target RNA, and RNase P is used in the diagnostic p...

2012
B. Bourdin

Secondary Thermal Cracks in EGS: a Variational Approach B. Bourdin: Department of Mathematics and Center for Computation & Technology, Louisiana State university, Baton Rouge, LA, USA. [email protected] C. Maurini: Institut Jean le Rond d’Alembert (UMR 7190), Université Pierre et Marie Curie and CNRS, Paris, France. [email protected] M. Knepley: Computational Institute, University of Chicag...

1988
Walter R. Nelson A. Del Guerra

The use of positron emitters in medical imaging was first suggested by Wrenn and coworkersl, and Sweet’, and the first prototype Positron Emission Tomography (PET) scanner WM built by Brownell and Sweets as shown in Fig. 22.1. A radiopharmaceutical labeled with a positron emitter is distributed within a biological target. The emitted /3+ annihilates with an electron of the surrounding tissue to...

Journal: :Resources 2021

This article considers the possibility of using unconventional geothermal resources in enhanced systems (EGSs) under Polish geological conditions. In order to obtain additional environmental benefits, EGS CO2 as a medium were analyzed. addition production clean energy, this allows for storage during energy process. The aim paper is analyze conditions EGS-CO2 systems. Criteria established select...

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