نتایج جستجو برای: 282 ppb
تعداد نتایج: 9870 فیلتر نتایج به سال:
A random-mating population was used to study the genetic interrelationship between phytate P (PPB), Ca (CaB), N (NB), and energy bioavailability (EB), BW at 4 wk of age, relative growth (RG), and feed conversion ratio (FCR). Heritability estimates for PPB, CaB, NB, and EB were 0.09, 0.13, 0.16, and 0.10, respectively, and those of BW, RG, and FCR were 0.66, 0.15, and 0.10, respectively. Genetic...
Individual levels of 33 PCBs (#28, #52, #47/48, #74, #66, #101, #99/113, #110, #118, #114/122, #105, #153, #138, #128/167, #156, #157, # 178, #182/187, #183, #174, #177, #172/192, #180/193, #170/190, #189, #202, # 194, #199, #196/203, #195, # 208, #207, #206), HCB, oxychlordane, p,p’-DDE and PBDE #47 were determined in 141 plasma samples (0.5-3 ml) from Swedish females with documented high cons...
A Spectrophotometric investigation was applied on the complexation of 1,3-bis (3-(2-pyridyl) pyrazol-1-ylmethyl) benzene (1,3-PPB) and 1,4-bis (1,4-PPB) with Zn(II) Cd(II) ions in a mixed (1:1) solvent water ethanol. The mole ratio methodology used to calculate stoichiometry, molar absorptivity, stability constant values. Some experimental conditions have been investigated, including pH, ionic ...
In an 11-week greenhouse study, caged queenright colonies of Bombus impatiens Cresson, were fed treatments of 0 (0 ppb actual residue I, imidacloprid; C, clothianidin), 10 (14 I, 9 C), 20 (16 I, 17C), 50 (71 I, 39 C) and 100 (127 I, 76 C) ppb imidacloprid or clothianidin in sugar syrup (50%). These treatments overlapped the residue levels found in pollen and nectar of many crops and landscape p...
اسپکترومتری فتوترمال به گروهی از روش¬ها اطلاق می¬شود که اساس آنها بر اندازه¬گیری تغییرات ایجاد شده در خواص ترمودینامیکی نمونه قرار دارد. در این پروژه از یک اسپکتروفتومتر فتوترمال لنز تک پرتویی با لیزر nm 532 برای اندازه¬گیری غلظت نانوذرت طلا که از بهترین تبدیل کننده¬های انرژی نوری به گرما شناخته شده¬اند، استفاده شد که با تنظیمات بخش¬های مختلف دستگاه، منحنی کالیبراسیون محلول¬های نانوذرات طلا در ...
Research was conducted from May 2004 through September 2005 to investigate the concentration of hydrogen sulfide (H2S) at the perimeter of nine swine operations across the state of Iowa and the ammonia (NH3) and H2S concentrations near and inside residences located in the community of swine operations and in one area of the state not associated with animal agriculture. The nine sources monitore...
BACKGROUND Permanent prostate brachytherapy (PPB) is an effective treatment choice for low and intermediate risk prostate cancer (PCa). However, the impact of PPB on tumor immune status is still poorly understood. This study aimed to assess the immune status in PCa patients before and at different time points after PPB (1, 3, 6, and 12 months). METHODS Blood was collected from 32 patients wit...
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