نتایج جستجو برای: in german
تعداد نتایج: 16984946 فیلتر نتایج به سال:
the german cockroach is an important household insect pest mechanically involved in transmission of a variety of diseases to humans. different classes of insecticides have extensively been used for its control leading to insecticide resistance development. hence, for an optimal control of this pest, the status and underlying mechanisms of insecticide resistance should be studied in this group o...
The German cockroach is an important household insect pest mechanically involved in transmission of a variety of diseases to humans. Different classes of insecticides have extensively been used for its control leading to insecticide resistance development. Hence, for an optimal control of this pest, the status and underlying mechanisms of insecticide resistance should be studied in this group o...
to study the causes of difficulties in understanding the german short story bypersian learners from the perspective of text linguistics first we have searchedthe factors of cohesion and coherence in german texts in a short story. then wehave checked its translations by the students and observed that these people arefamiliar with the grammatical structure of each sentence and the vocabulary ofth...
purpose: this investigation was undertaken to evaluate the potency of metarhizium anisoplea as a biological alternative to the biological control of german cockroaches. materials & methods: the fungal spores were applied against the male and female german cockroach, using two bioassay methods, viz the submerge application and the injection. the data was analysed and the mean mortality was ...
Background and Objective: Cockroaches are one of the most important carriers of disease that involved human health, they can carry a great variety of pathogenic bacterial and then freely moved in the hospital environment. The presence of cockroaches in the hospital is a potential problem to the healthcare system. This study was aimed to determine the type of cockroaches and bacterial species in...
The present research addresses Mendelssohn’s theory of the sublime as one of the significant figures in German rationalist aesthetics. Our research obtains its significance primarily from the fact that there has been no research prior to this about Mendelssohn’s aesthetics in Persian; and secondly that even in the Continental philosophy researchers have often focused on other areas of Mendelsso...
background: the german cockroach, blattella germanica l . , is a serious household and public health pest worldwide. control of this species has been very difficult to achieve. toxicity of cypermethrin ec10%, deltamethrin ec5%, diazinon ec0.5%, lambda-cyhalothrin ec5% and negon® (permethrin+propoxur oil liquid1%) commercial formulations were investigated against adult males of german cockro...
b a ckground: the german cockroach, b lattella germanica is a major hygienic pest and mechanical vector for path- ogenic agents in hospitals and residential areas. the development of insecticide resistance is a serious problem in controlling of this pest. toxicity of four commonly used insecticides (permethrin, cypermethrin, malathion and chlorpyrifos) against two hospital- collected strains of...
German chamomile (Matricaria chamomilla L.) is cultivated in many countries because of its wide-spread uses in pharmaceutical, cosmetics and food industries. In order to investigate the effects of different soil properties on the agro-morphological characteristics, essential oil and chamazulene content of German chamomile, a pot experiment was carried out in a Randomized Complete Block Design (...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید