نتایج جستجو برای: siah bisheh dam
تعداد نتایج: 13138 فیلتر نتایج به سال:
Urinary tract infections (UTI) are among the most frequently encountered infections in clinical practice globally. Predominantly a burden among female adults and infants, UTIs primarily caused by uropathogenic Escherichia coli (UPEC) results in high morbidity and fiscal health strains. During pathogenesis, colonization of the urinary tract via fimbrial adhesion to mucosal cells is the most crit...
Leafy spurge (Euphorbia esula L.) is a noxious perennial weed that produces underground adventitious buds, which are crucial for generating new vegetative shoots following periods of freezing temperatures or exposure to various control measures. It is also capable of flowering and producing seeds, but requires vernalization in some cases. DORMANCY ASSOCIATED MADS-BOX (DAM) genes have been propo...
Influence of certain nutrients on changes in adipose and dental tissues of vitamin E-deficient rats.
It has been shown that certain symptoms in chicks, namely, exudative diathesis, yellow coloration of the adipose tissue, and encephalomalacia, and in rats, namely, yellowbrown coloration of the adipose tissue, and depigmentation of the incisors, depend upon the consumption of vitamin E-deficient diets rich in highly unsaturated fatty acids (Dam, 1944a, b ; Dam & Granados, 1945a, b ; Granados & ...
The molecular basis for the inviability of dam-3 recA200(Ts) and dam-3 recB270(Ts) cells was studied. The dam-3 recA200(Ts) cells were inviable in yeast extract-nutrient broth or in minimal medium at 42 degrees C. Although the dam-3 recB270(Ts) cells were inviable in yeast extract-nutrient broth at 42 degrees C, they were viable at 42 degrees C in minimal medium, in which the high salt content ...
Clinical isolates of Haemophilus influenzae resistant to a broad range of 2-deoxystreptamine aminoglycosides (2-DAM) were studied. The gene responsible for resistance could be mobilized by transformation into a 2-DAM susceptible laboratory strain of H. influenzae, enabling isogenic comparisons. The transformants had the same resistance phenotype as the parental strains. There was close linkage ...
There are various evaluation methods available for the discharge rate passing from the body of dam 1) Analytical methods, 2) Numerical methods and 3) Experimental methods. In the initial stages of dam design, it is necessary to approximately calculate the seepage and board of the project. In this research, almost 600 geometric models have been considered for embankment dam with clay core which ...
This study aims to provide a rapid screening tool for assessment of sustainable flood retention basins (SFRBs) to predict corresponding dam failure risks. A rapid expert-based assessment method for dam failure of SFRB supported by an artificial neural network (ANN) model has been presented. Flood storage was assessed for 110 SFRB and the corresponding Dam Failure Riskwas evaluated for all dams ...
Double mutants of Escherichia coli dam (DNA adenine methyltransferase) strains with ruvA, ruvB, or ruvC could not be constructed, whereas dam derivatives with recD, recF, recJ, and recR were viable. The ruv gene products are required for Holliday junction translocation and resolution of recombination intermediates. A dam recG (Holliday junction translocation) mutant strain was isolated but at a...
DNA adenine methylase (dam) mutants of Salmonella enterica serovar Typhimurium grown under laboratory conditions express the std fimbrial operon, which is tightly repressed in the wild type. Here, we show that uncontrolled production of Std fimbriae in S. enterica serovar Typhimurium dam mutants contributes to attenuation in mice, as indicated by the observation that an stdA dam strain is more ...
[1] The relative impact of a large upstream dam versus in‐reach groundwater pumping on stream temperatures was analyzed for humid, semiarid, and arid conditions with long dry seasons to represent typical climate regions where large dams are present, such as the western United States or eastern Australia. Stream temperatures were simulated using the CE‐QUAL‐W2water quality model over a 110 kmmod...
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