نتایج جستجو برای: recovery factor

تعداد نتایج: 1032000  

Selecting a suitable pillar recovery method is one of the most important issues in the room and pillar mining. The main purpose of this study is to compare two methods for pillar recovery in Tabas central coal mine (TCM). Among the existing methods, the two methods, “Modified split and fender” and “Shortwall” are chosen for the numerical modeling. The three dimensional finite difference method ...

Journal: :iranian journal of oil and gas science and technology 0
yaser ahmadi m.s. student, department of petroleum engineering, tehran petroleum research center, petroleum university of technology, tehran, iran mehdi hassanbeygi m.s. student, department of petroleum engineering, tehran petroleum research center, petroleum university of technology, tehran, iran riyaz kharrat professor, department of petroleum engineering, tehran petroleum research center, petroleum university of technology, tehran, iran

in many reservoirs, after water flooding, a large volume of oil is still left behind. hot water injection is the most basic type of thermal recovery which increase recovery by improved sweep efficiency and thermal expansion of crude.in the present work, the effects of injection rate and the temperature of the injected water were surveyed by using core flooding apparatus. water flooding was perf...

In many reservoirs, after water flooding, a large volume of oil is still left behind. Hot water injection is the most basic type of thermal recovery which increase recovery by improved sweep efficiency and thermal expansion of crude.In the present work, the effects of injection rate and the temperature of the injected water were surveyed by using core flooding apparatus. Water flooding was perf...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده فنی مهندسی 1386

دوره مشترک کارشناسی ارشد بازاریابی و تجارت الکترونیک دانشگاه تربیت مدرس_ دانشگاه تکنولوژی lule? چکیده پایان نامه عوامل موثر بر پذیرش اینترنت بانک توسط مشتریان پیشرفت فناوری اطلاعات و ارتباطات و به طور خاص رشد اینترنت جهت تراکنش های معاملات بازرگانی، تاثیر بسیار عمیقی در صنعت بانکداری داشته است.این در حالی ست که نفوذ بانکداری اینترنتی در کشورهای در حال توسعه بسیار کندتر از نفوذ آن ...

Journal: :anesthesiology and pain medicine 0
siamak yaghoobi department of anesthesiology, qazvin university of medical sciences, qazvin, iran monadi hamidfar department of anesthesiology, qazvin university of medical sciences, qazvin, iran douglas m. lawson faculty of medicine, medical education research centre, university of calgary, calgary, canada bengt fridlund school of health sciences, jonkoping university, jonkoping, sweden paul stewart myles department of anaesthesia and perioperative medicine, alfred hospital, monash university, melbourne, victoria, australia amir h. pakpour social determinants of health research center, qazvin university of medical sciences, qazvin, iran; department of public health, qazvin university of medical sciences, qazvin, iran; social determinants of health research center, qazvin university of medical sciences, qazvin, iran. tel: +98-2813338127, fax: +98-2813345862

results all estimates of internal consistency were high (cronbach's alpha = 0.89 for global estimates, subscales between 0.89 and 0.93). all test-retest scores and subscales were between 0.71 and 0.88.the correlation with a recovery visual analogue scale was 0.51, and all subscales correlated significantly with comparable subscales of the sf-36. an exploratory factor analysis found five-compone...

2017
Art Hendela Murray Turoff Starr Roxanne Hiltz Jerry Fjermestad

This research uses a series of surveys followed by mathematical modeling to help discover risk factors, mitigating actions, and the highest return scenarios as a basis for a low-cost business continuity/disaster recovery plan. The surveys use a Delphi study format in order to rank a base list of risks and mitigating actions and to supplement those lists with ones added by the participants. Surv...

Journal: :Journal of chromatography. A 2006
A Garrido-Frenich R Romero-González J L Martínez-Vidal P Plaza-Bolaños L Cuadros-Rodríguez M A Herrera-Abdo

The assessment of the recovery factor with the analyte concentration in meat samples has been studied for the determination of organochlorine and organophosphorus pesticides in meat by gas chromatography-triple quadrupole mass spectrometry (GC-MS/MS). For that purpose, recent IUPAC recommendations, which distinguishes between two terms, recovery factor and apparent recovery, have been followed....

Journal: :Analytical and bioanalytical chemistry 2006
Laura Gámiz-Gracia Luis Cuadros-Rodríguez Jorge J Soto-Chinchilla José F Huertas-Pérez Antonio González-Casado Ana M García-Campaña

A new strategy is proposed for verifying if recovery factor is constant and independent of the real analyte content of samples. A signal-recovery function has been developed on the basis of measurement of spiked test samples before and after a pre-treatment step and considering, as starting point, a recent IUPAC recommendation which distinguishes between two terms--recovery factor, R, and appar...

Journal: :IEEE Robotics and Automation Letters 2020

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید