نتایج جستجو برای: tps

تعداد نتایج: 2837  

ژورنال: :کومش 0
محمود اله دادی سلمانی m. elahdadi salmani dept. of physiology, faculty of medical sciences, tarbiat modares university, tehran, iranدانشگاه تربیت مدرس، دانشکده پزشکی, گروه فیزیولوژی یعقوب فتح الهی y. fathollahi dept. of physiology, faculty of medical sciences, tarbiat modares university, tehran, iranدانشگاه تربیت مدرس، دانشکده پزشکی, گروه فیزیولوژی

سابقه و هدف: اثر پالس بـا ریتم تتـا (tps) بر فعالیت عصبی ناحیه ca1 هیپوکامپ مـوش های صحرایی کیندل شده (kindled) با پنتیلن تترازول، بررسی شده است. مواد و روش ها: ptz به مقدار mg/kg 45 هر 48 ساعت یک بار به موش های صحرایی نر از نژاد nmri تزریق شد. برش های زنده ی هیپوکامپ از سه گروه کنترل، نسبتاً و کاملاً کیندل تهیه گردید. tps به دستجـات آوران شـافر اعمـال شد و از دو ناحیه استریاتوم رادیاتوم و پیرامی...

پایان نامه :وزارت علوم، تحقیقات و فناوری - پژوهشگاه پلیمر و پتروشیمی ایران - پژوهشکده فرایند 1392

در این مطالعه، آمیزه های پلی اتیلن با چگالی کم (ldpe) و نشاسته ی گرمانرم (tps) در حضور سازگارکننده ی واکنشی پلی اتیلن گرافت شده با انیدرید مالئیک (ldpe-g-ma) و همچنین نانوکامپوزیت های سه جزئی آنها با اضافه کردن نانوذرات اصلاح شده ی closite 30b در ترکیب درصدهای متفاوتی از نانوذرات و tps با فرایند اختلاط واکنشی تهیه شد. سپس برای بررسی ریز ساختار نمونه ها، خصوصا نانوکامپوزیت ها، آزمون ها ی مختلفی ...

2014
Zhiyong Li Hengyong Chen Zhaoxin Xie Chao Chen Ahmed Sallam

Many real-world optimization problems involve objectives, constraints, and parameters which constantly change with time. Optimization in a changing environment is a challenging task, especially when multiple objectives are required to be optimized simultaneously. Nowadays the common way to solve dynamic multiobjective optimization problems (DMOPs) is to utilize history information to guide futu...

Journal: :The Journal of chemical physics 2008
Jutta Rogal Peter G Bolhuis

We developed a multiple state transition path sampling (TPS) approach in which it is possible to simultaneously sample pathways connecting a number of different stable states. Based on the original formulation of the TPS we have extended the path ensemble to include trajectories connecting not only two distinct stable states but any two states defined within a system. The multiple state TPS app...

Journal: :Infection and immunity 2007
Rachel Balder Jonathan Hassel Serena Lipski Eric R Lafontaine

Two-partner secretion (TPS) systems are a family of proteins being rapidly identified and characterized in a growing number of gram-negative bacteria. TPS systems mediate the secretion of proteins, many involved in virulence traits such as hemolysis, adherence to epithelial cells, inhibition of bacterial growth, and immunomodulation of the host. A TPS system typically consists of a transporter ...

2001
Lauri Koskela

The Toyota Production System (TPS) has continually inspired scholars of production management to a search for its essence. Two new interpretations have recently been advanced. Firstly, Johnston has argued that conventional production management is based on an approach to management called management-as-planning. The central assumption is that intentional activity is based on a representation of...

Journal: :The Journal of chemical physics 2015
Muammar El Khatib Oriana Brea Edoardo Fertitta Gian Luigi Bendazzoli Stefano Evangelisti Thierry Leininger

The Total Position Spread (TPS) tensor, defined as the second moment cumulant of the position operator, is a key quantity to describe the mobility of electrons in a molecule or an extended system. In the present investigation, the partition of the TPS tensor according to spin variables is derived and discussed. It is shown that, while the spin-summed TPS gives information on charge mobility, th...

Journal: :Journal of environmental monitoring : JEM 2000
R J Steen B Van Hattum U A Brinkman

Off-line solid-phase extraction (SPE) combined with liquid chromatography-electrospray tandem mass spectrometry (LC-ESI-MS-MS) was used to study the estuarine behaviour of the polar pesticides, atrazine, chloridazon, diuron and metolachlor, and their transformation products (TPs), hydroxyatrazine (HA), desisopropylatrazine (DIA), desethylatrazine (DEA), 3,4-dichlorophenylmethylurea (DPMU) and m...

Journal: :Environmental science. Processes & impacts 2017
Zhe Li Sarit L Kaserzon Merle M Plassmann Anna Sobek María José Gómez Ramos Michael Radke

Many transformation products (TPs) from organic micropollutants are not included in routine environmental monitoring programs due to limited knowledge of their occurrence and fate. An efficient method to identify and prioritize critical compounds in terms of environmental relevance is needed. In this study, we applied a strategic screening approach based on a case-control concept to identify TP...

2017
Xiaotian Sun Zheng Lu Yijun Wu Min Min Yiliang Bi Wei Shen Yang Xu Zhaoshen Li Zhendong Jin Yan Liu

EUS-guided interstitial brachytherapy is promising in the treatment of unresectable malignant carcinoma adjacent to the digestive tract. The feasible treatment plan is not established. Thus, our study aimed to develop a novel treatment plan and evaluate the feasibility in patients with unresectable pancreatic cancer. A total of 42 patients with unresectable pancreatic cancer (stage III: n = 18;...

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