نتایج جستجو برای: temperature

تعداد نتایج: 452920  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید بهشتی - دانشکده مهندسی برق و کامپیوتر 1389

چکیده ندارد.

Journal: :journal of rangeland science 2016
reyhaneh azimi gholam ali heshmati mohammad kia kianian samira hossein jafari

common burnet (poterium sanguisorba) is a perennial herb from rose family (rosaceae) which is used to construct pastures. the studied plant can resist against freezing, cool and drought. the present study was conducted to study the seed germination parameters of common burnet in different thermal treatments as completely randomized design in 4 replications in 2013. treatments involved the effec...

Journal: :international journal of environmental research 0
k.f. brisolara louisiana state university health sciences center, school of public health, 2020 gravier street, 3rd floor, new orleans, louisiana 70112, usa r.s. reimers tulane university, school of public health and tropical medicine, new orleans, louisiana, usa r.e. whitworth georgia southern university, jiann ping hsu college of public health, statesboro, georgia, usa m.j. hutcheson georgia southern university, jiann ping hsu college of public health, statesboro, georgia, usa

biosolids must be stabilized in order to reduce odors, which have been noted as a major concernwith respect to alkaline stabilization. stabilization is designed to address potential putrefaction processes,odiferous releases and vector attraction concerns. also, most alkaline processes are open systems in whichtemperature and mixing are more difficult to control, and factors such as increased pr...

Journal: :international journal of environmental research 0
m takahashi nagaoka university of technology, niigata, japan, tohoku university, miyagi, japan a. ohya nagaoka university of technology, niigata, japan s. kawakami nagaoka university of technology, niigata, japan y. yoneyama ebara engineering service co., ltd., tokyo, japan t. onodera national institute for environmental studies, ibaraki, japan k. syutsubo national institute for environmental studies, ibaraki, japan s. yamazaki

the evaluation of treatment characteristics and sludge properties of an upflow anaerobic sludge blanket (uasb) process was investigated using a pilot-scale 1.15 m3reactor. the uasb, inoculated with digester sludge, was operated at a hydraulic retention time of 8 h at sewage temperatures ranging from 10.6 to 27.7 °c for more than 1100 days. the stable removal efficiencies for total codcr and ss ...

Journal: :تحقیقات مهندسی کشاورزی 0
مشهید هناره عضو هیئت علمی بخش تحقیقات اصلاح و تهیه نهال و بذر شهین زمردی عضو هیئت علمی بخش تحقیقات فنی و مهندسی مرکز تحقیقات کشاورزی و منابع طبیعی آذربایجان غربی حمیده ژاله رضایی کارشناس سابق بخش تحقیقات فنی و مهندسی مرکز تحقیقات کشاورزی و منابع طبیعی آذربایجان غربی

effect of calcium chloride on tomato quality and shelf life of petoearly ch, koral and rio grand tomato cultivars were studied at the agricultural and natural resources research center of west azerbaijan, iran over 2002-2003. a calcium chloride solution in 0,0.5% and 1% concentrations was sprayed on the tomatoes three times. the fruit was harvested at the mature green stage and stored in cold s...

Journal: :علوم و تکنولوژی پلیمر 0
محمد دانشگر ابراهیم واشقانی فراهانی مهدی نکومنش حقیقی

in suspension polymerization, particle size distribution of polymer is the outcome of dynamic equilibrium between the break up and coalescence phenomena. the rates of break up and coalescence and consequently polymerization stability depend on several parameters, the most important of which are type and concentration of stabilizer. in this study, the effects of type and concentration of stabili...

Journal: :علمی شیلات ایران 0
ابوالحسن راستیان نسب a. rastiannasab سید عبدالحمید حسینی s.a. hosseini مصطفی شریف روحانی m. sharif rohani حبیب اله گندم کار h. gandomkar علی نکویی فرد a. nekoyiefard عین الله گرجی پور e. gorjipour

in order to investigate the effect of different temperature of anesthetic (clove tree) and recover (anesthetic-free water) solutions on recovery process, the anesthetic induction times and recovery times of 540 fingerlings of rainbow trout (oncorhynchus mykiss) weighing 3.2 ± 0.2 g in anesthesia/ recovery solutions with cross-combined of temperature of 5,11 and 17 °c as experimental treatments ...

Journal: :آب و خاک 0
علیزاده علیزاده سیاری سیاری احمدیان احمدیان محمدیان محمدیان

abstract saffron (crocus sativus, l.) is one of the most important economical crops for khorasan farmers. almost all saffron yield in iran comes from khorasan provinces. first irrigation times is the crucial factors which affect the amount and quality of yield based upon an on farm investigation it was found that when air temperature reaches to 12 ۫c the most amount of flower is yielded. also it...

Journal: :علوم باغبانی 0
مسعود زاده باقری یونس مستوفی مصطفی مصطفوی

abstract cyanide is a colorless, harmful, and dangerous substance with a smell similar to bitter almond. cyanide forms a stable compound with iron and magnesium and interferes with cell activity by interfering with respiration, carbon stabilization and nitrate revival. in order to evaluate cyanide metabolism in fuji and abassi mashhad apples, a factorial experiment was conducted as split plot b...

Journal: :iranian journal of public health 0
e oz h cetin je cilek o deveci a yanikoglu

background: to compare the effectiveness of 3 commercial gel bait formulations containing fipronil (goliath ã cockroach gel 0.05% ai), chlorpyrifos-a (clean bait ã gel, 2% ai), and chloropyrifos-b (serpa ã gel 2% ai) against german cock­roaches ( blattella germanica ) when stored at 23°c and 30° c after treatment. methods: laboratory bioassays consisted of placing groups of fifteen cockroaches ...

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