نتایج جستجو برای: astm d3398

تعداد نتایج: 3376  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه ملایر - دانشکده عمران 1392

چکیده با توجه به پیشرفت های تکنولوژی در زمینه های علوم مختلف به ویژه علم تکنولوژی بتن، بررسی و تحقیق عمیق تر در مورد اجزا تشکیل دهنده ی بتن اجتناب ناپذیر است. از جمله مواردی که می تواند مورد توجه واقع شود، بررسی تاثیر کمّی مشخصات هندسی مصالح سنگی بر روی خواص مقاومتی و دوامی بتن سیمانی است. خوردگی آرماتورها در بتن، از جمله رایج ترین آسیب دیدگی ها در سازه های بتن آرمه ی موجود در شرایط محیطی خاص ...

2009

Statnamic load testing has been used extensively all over the world on bridges, high rise condominium structures, office towers, military facilities, Corps of Engineers flood control structures, water and wastewater facilities and various other commercial structures. Statnamic Load Testing is a recognized test method by the American Society for Testing and Materials designation number ASTM D738...

2015
Juan Pablo Gevaudan Wil V. Srubar

Current ASTM standards can be used to provide a degree of characterization of geopolymeric materials, yet the researcher must be aware of differences between hydraulic and geopolymer cementitious materials. The current study assessed the applicability of available ASTM standards that analyze the insoluble content and oxide content of cementitious materials (ASTM C114 and C311), compressive stre...

Journal: :Medicine and science in sports and exercise 1997
C J Davidson L R Ganion G M Gehlsen B Verhoestra J E Roepke T L Sevier

Augmented Soft Tissue Mobilization (ASTM) is a new non-invasive soft tissue mobilization technique which has been used successfully to treat a variety of musculoskeletal disorders. The purpose of this study was to determine the effects of ASTM therapy on the morphological and functional characteristics of enzyme induced injured rat Achilles tendons. Four groups of five rats were allocated as fo...

2015
Gideon Siringi Ali Abolmaali Pranesh B. Aswath

Tire derived aggregate (TDA) has been proposed as a possible lightweight replacement for mineral aggregate in concrete. The role played by the amount of TDA replacing coarse aggregate as well as different treatment and additives in concrete on its properties is examined. Conventional concrete (without TDA) and concrete containing TDA are compared by examining their compressive strength based on...

2015
Jingai Shao

Fast pyrolysis oils are one source of renewable liquid fuels, which could be used as green fuels in a sustainable manner. The ASTM D664 method used to determine the acidic constituents in petroleum products, lubricants, and biodiesel requires mixtures of isopropyl alcohol (IPA) and toluene as solvent. The ASTM method also uses large quantities of solvents for the total acid number (TAN) determi...

2009
F. R. van de Voort

The ASTM Acid Number (AN) and Base Number (BN) analyses provide two of the most fundamental condition monitoring measures associated with lubricant quality, providing status information on oil oxidation and/or reserve alkalinity, respectively. Although a crucial measure, the various ASTM titrimetric methods are expensive and problematic to carry out as well as being difficult to compare and int...

Journal: :NeuroImage 2014
Stephan Grimault Sophie Nolden Christine Lefebvre François Vachon Krista Hyde Isabelle Peretz Robert J. Zatorre Nicolas Robitaille Pierre Jolicoeur

We used magnetoencephalography (MEG) to examine brain activity related to the maintenance of non-verbal pitch information in auditory short-term memory (ASTM). We focused on brain activity that increased with the number of items effectively held in memory by the participants during the retention interval of an auditory memory task. We used very simple acoustic materials (i.e., pure tones that v...

Journal: :The International journal of neuroscience 2007
Marko Jelicic Harald Merckelbach Ingrid Candel Elke Geraerts

The aim of the present study was to compare the accuracy of the Amsterdam Short Term Memory (ASTM) test with that of the Structured Inventory of the Malingered Symptomatology (SIMS) in detecting feigning of cognitive dysfunction in naïve and coached participants. Ninety undergraduate students were administered the ASTM and the SIMS and asked to respond honestly (controls; n = 30), or instructed...

Journal: :Microscopy Today 2005

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید