Micropollutants in urban drainage systems : inappropriate sam- pling can flush data quality down the drainAfter a decade of intensive research on residues of pharmaceuticals, personal care products and illicit drugs there is now a consensus that sewage treatment plants (STPs) are ...
Kyle LaHucik Senior Reporter The numbers are somewhat in and biotech diversity looks relatively similar to what it has been for years. A 2021 sampling paints a very limited …
proportional sam pling device 按比例取样器 proportional sampling device 比例取样器 be proportional to 与…成比例 proportional to 成正比 sam adams phr. 三姆啤酒 stand Sam 会钞, 做东 Uncle Sam 山姆大叔(美国、美国政府或美国人的绰号),美国政府 sam snead n. (= Sam Snead) 山姆·史尼德...
Radiographics 2005; 25 (Suppl 1):S143-S158.Daunt N. Adrenal vein sampling: how to make it quick, easy, and successful. Radiographics 2005; 25: S143-58.Daunt N 2005 Adrenal vein sampling: how to make it quick, easy, and successful. Radiographics 25(suppl 1):S143-58...
ORPOM model for optimum distribution of tree ring sam- pling based on the climate observation network climatemonitoringnetworktreeringsamplingsiteoptimummodelHorqinTree ring dating plays an important role in obtaining past climate information.The fundamental study of obtaining tree ring samples in typical ...
The effect of the sam- pling conditions on the reproducibility of the evaluation of lumpy and particulate mixed materialsFor the effective control of a mixed material and the prop- erties of the products processed from it, a homogeneous and repro- ducible mixing of the material components is ...
FIG. B. Relationship between sample unit number, sample unit size (quadrats 0.25-4.0 m2), and sampling precision (CV of 0.075, 0. 10, and 0.15) when assessing C . crisps standing crop. The lines for each CV were fitted by eye; broken lines were extrapolated.D. Pringle...
1) sam pling initial angle 采样初相角2) sampling angle 采样角度 1. For power network parameter measuring,when the frequency departure of sine-like sig-nal or high-order harmonic disturbance occur,fast Fourier transform is used to control the initial sampling angle for maximum precision. 针对...