【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...
Ballast waterexchange (BWE) is an effective practical method of decreasing the risk of the transfer of unwanted organisms.BWEshould be considered a beneficialballast watermanagement practice to decrease invasion risk and species transfers. BWE is a valuable measure for all ships, especially vessels and...
Whether in practice or theoretical research, water environment issues have gradually been paid attention to by enterprises. Green development with the goal of "water-saving priority" has become one of the important directions for the development of the paper and paper products industry. According to...
Phenological isolation can potentially reduce seed output and may be exploited as a novel tool for ecological management of dioecious weeds. Dioecious plan
(GCC countries); others have plenty of water, such as Canada, but suffer from water distribution inequity regarding the Canadian Native (Indigenous) population, and also from water pollution to some extent; while some other regions, like China and Africa, have enough water but suffer from the ...
we normalized all variables from 0 to 1. We checked all variables for normal distribution using the Shapiro test128. As all the variables showed to be non-normally distributed, we selected the non-parametric Mann–Kendall test129to assess the correlation between pairs of the four variables, whic...
Select High pH alert, which is one of the preconfigured rules in the application. The High pH alert rule is configured to check the condition of acidity (pH) being greater than 8.Next, add an email action to the rule:Select + Email. In the Display name box, enter High pH alert. In...
Mud shale, used in drilling engineering, is prone to hydration and expansion, resulting in creep deformation that leads to wellbore shrinkage and pipe sticking incidents. Studying the creep characteristics of mud shale is significant for designing a reas
Water resource modeling is an important means of studying the distribution, change, utilization, and management of water resources. By establishing various models, water resources can be quantitatively described and predicted, providing a scientific basis for water resource management, protection, and plan...
Differences were determined by Student’s t-test after one-way ANOVA and the log-rank (Mantel-Cox) test were used (P < 0.05). Ethics approval and consent to participate All animal care and experiments were approved by the Ethics Committee of the National Research Centre and the Ethics ...