نتایج جستجو برای: cross inoculation
تعداد نتایج: 511563 فیلتر نتایج به سال:
of anti-cholera vaccine. It is divided into three parts, viz., the preparation of an anti-cholera vaccine, immunization of man against cholera and the anti-cholera vaccine after its devitalisation. It is pointed out that such is the variability of the germ of cholera that it is essential to first select the particular variety of the germ which is to be selected as " authenic and appropriate." W...
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Naturally occurring hepatitis C virus (HCV) infection has long been thought to induce a weak immunity which is insufficient to protect an individual from subsequent infections and has cast doubt on the ability to develop effective vaccines. A series of intrahepatic genetic inoculations (IHGI) with type 1a HCV RNA were performed in a chimpanzee to determine whether a form of genetic immunization...
A factorial experiment, based on RCB design, with three replications was conducted to evaluate the effects of rhizobial inoculation, urea, and weeds on soybean performance in the field. The factors under study consisted of inoculation and non-inoculation, three levels of 0, 150, and 300 kg/ha urea, and weed-control and weed-infestation. Results showed that weed-control, inoculation and urea a...
The efficacy of slow filters for horticultural purposes is suggested to be the result of multiple factors. Physical and biological properties of the filter column and the nutrient solution are likely to influence on filter performance. It has previously been shown that enzyme activity on the filter skin is a main parameter which will explain roughly 50% of filter efficacy. Since enzyme activity...
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