نتایج جستجو برای: 51 and 135 percent more efficient than chemical control
تعداد نتایج: 17180098 فیلتر نتایج به سال:
this study was carried out to determine nutritive value and the effect of amaranthus grain on performance and carcass characteristics of broiler chicks. chemical composition of amaranthus grain including dry matter, crude protein, crude fiber, crude ash, and gross energy were 91.04, 17.50, 8.40, 2.70, 5.41, percent and 4515 kcal/kg respectively. metabolizable energy content of amaranthus grain ...
during natural gas processing, water in natural gas may cause to hydrates formation in pipelines which may lead to serious damages to process equipments. given the problems raised by present of water in natural gas, glycol solvent uses to remove water.in contact of glycol with gas always an amount of btex and voc absorb along with water, which on glycol recovery process, these substances separa...
mixed office waste papers are considered as a large source of high quality papers that were printed with non impact printing methods. this papers have involved and economical problem in deinking with conventional chemical methods. in this research enzymatic deinking was done as an alternative for conventional chemical method. enzymatic deinking of xerox machine printed papers with cellulase fro...
testing plays a vital role in any language teaching program. it allows teachers and stakeholders, including program administrators, parents, admissions officers and prospective employers to be assured that the learners are progressing according to an accepted standard (douglas, 2010). the problems currently facing language testers have both practical and theoretical implications but the first i...
چکیده کنه تارتن دو لکه ای tetranychus urticae koch یکی از چندخوارترین آفات شناخته شده محصولات کشاورزی دنیا به حساب می آید. در این بررسی جمعیت تخم و مراحل فعال این کنه در شرایط آلودگی طبیعی و مصنوعی در برگ های 8 رقم لوبیا در سال 1392 در گلخانه و مزرعه تحقیقاتی دانشکده کشاورزی دانشگاه ارومیه موردمطالعه قرار گرفت. آزمایش به صورت طرح کاملاً تصادفی برای شرایط مزرعه در10 تکرار و برای شرایط گلخانه ای...
Bentonites from Kashmar, Gonabad and Ferdows were studied and compared with imported types. Bentonites have a very wide range of industrial uses. Chemical and mineralogica l composit ion of montmo rillo nite wit hin t he bentonite control its kind of application. Bentonites from Kashmar have the higbest content of Cao and A120) and K20. High expandibiity, good adhesive property a nd havin...
in order to investigation the effects of different combination and amount of chemical, biological and organic manure in present of water absorbent materials on some phenological, morphological and yield of soybean, a field study was carried out gorgan region climate conditions in a factorial experiment based on randomized complete block design with three replications. in this experiment two lev...
abstract recent studies suggest that prelistening activities play an important role in the development of listening comprehension (e.g. long 1990;chiang and dunkel 1992; schmidt-rinehart 1994; jensen and hansen 1995; robinson et al., 1995; buck, 1995; foster and skehan,1996; teng 1996; robinson, 2001; chang and read 2006). in line with previous studies and to shed light on a new aspect of sche...
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