【预订】Kentucky Water Distribution System Certification Exam Unofficial Self Practice Exercise Questions: covering Fundamental Distribution Knowledge Topics 预订商品,平装,按需印刷,需要1-3个月发货,非质量问题不接受退换货。 手机专享价 ¥ 当当价 降价通知 ¥476.15 配送至 北京市东城区 运费6元,满49...
In turn, the distribution ratio of each index dimension of the paper company is obtained. The value of each vector in the best projection direction represents each indicator's corresponding weight, and each indicator’s importance in evaluating the quality of corporate water disclosure can be ...
The composite (lumped) quantity\(D_\textrm{v}=D_\text{w} M/(\textbf{R}T)\)is the water vapour permeability (dimension\(\textsf{T}\); unit s, but often written as kg (m Pa s)\(^{-1}\)). In denoting the WVP as\(D_\textrm{v}\)we follow common practice [10], but the...
Methanol, formic acid, water, and acetonitrile in PLC grade (Fisher scientific) were procured. Preparation of CK water extracts The impurities were removed, and the samples (dry stems and leaves) were moistened thoroughly, cut into small segments or tablets, and dried (60–70 °C), resulting...
III. Infiuence of soil moisture level s on root distribution and root dry matter of upland-cultured paddy rice, crossbred rice of paddy rice and upland rice, and upland rice.] — Jap. J. Crop Sci. 50: 1–7, 1981. [In Jap, ab: E.] Article Google Scholar BANBA, H., OHKUBO, T...
GIS/PL2-8: Polyethylene gas pipes & fittings for transport of natural gas and suitable manufactured gas – Part 8: Pipes for use at pressures up to 7 bar Codes of Practice are generally specific to individual countries, industry sectors or utilities. Most asset owners be they national, networ...
Clients with > grade 12 are more than 74% less likely to be unimproved sanitation status as compared to illiterate clients (OR = 0.26 95% CI: 0.07, 0.94) (Table 2). Table 2 Relationship between risk factors of, sanitation status among PLWHA on Home Based Care clients of Gondar...
This is an Open Access article is distributed under the terms of the Creative Commons Attribution License ( https://creativecommons.org/licenses/by/2.0 ), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Reprints and ...
The short construction cycle of the water supply and distribution pipelines is evident, in line with the change of toughness evaluation grade of water supply and distribution pipeline network. The toughness rating has increased from the medium level in 2019 to the high level in 2020. Water ...
Distribution map of experimental stations (50 test sites). This figure was generated by ArcGIS software (version 10.1;http://support.esrichina-bj.cn/2013/0128/1677.html). Full size image Table 1 Basic information of the research area described in the paper. ...