查询词典 arid

These results are helpful for understanding of water consumption in oases of arid region and implementation of water resources deployment.

深化了绿洲耗水的认识并为绿洲水资源配置提供依据。

With retention time prolonged, the concentrations of TN, NH4(superscript +)-N and TP of domestic sewage were obviously reduced in all floating-bed systems, however the NO4(superscript +)-N concentrations were gradualjy accumulated due to the stronger nitrification than denitrification. The plants in floating-bed system increased significantly the N2O flux, which was 174.44μg/(m^2h), 82.19μg/(m^2h), 112. 49μg/(m^2h) and 44.81μg/(m^2h), respectively, for the Lolium mutliflorum, Oenanthe javanica, Vetiveria Zizanioides arid none-plant floating-bed systems.

净化周期内，浮床各系统的TN、NH4-N和TP浓度随着污水停留时间的延长直线下降，而NO3-N浓度却因系统内硝化强度大于反硝化强度而产生了累积；植物的存在明显的促进了浮床系统的N2O排放，浮床黑麦草、水芹、香根草和对照系统N2O的平均排放通量分别为174.44μg/， 82.19μg/， 112.49μg/和44.81μg。

In the recent 30 years of the Guhai water-lifting project ,shortage middle arid zone society and the economic development it has made great contribution to since the outly was shortage for a long time,the project facility cannot obtain the immediate service,aging day by day.

固海扬水工程近30a来，为宁夏中部干旱带的社会及经济发展作出了巨大贡献，但是由于长期以来经费短缺，工程设施得不到及时维修，老化日益加剧，为了对宁夏固海扬水工程设施老化状况作出定量的科学评价，通过长期实践并结合数学理论知识，建立了固海扬水渠道工程老化现状评价的数学模型，为固海扬水工程进一步改造和规划提供科学决策的依据。

Song Yu was the first writer in the history of Chinese literature to panoramically depict the female image. He was also the pioneer arid the representative writer of Chinese literature of writing the beauty and the ugly.

宋玉是中国文学史上第一位全方位地描写女性形象的作家，是中国美女文学和丑妇文学的全方位开创者和代表作家。

In addressing the heterogeneity factor, this paper will use Logistic regression, the Beta-binomial model the Williams method arid GLMM to analyze the secondary data collected at the incidence of Downy mildew on grapes and Phomopsis leaf blight on strawberrys. Also, there will he a thorough discussion on the advantages and disadvantages among the different model approaches according to -2 Res Log Likelihood, AIC, BIC and residual plots.

本研究旨在探讨病害发生率的研究中，以层次取样法进行抽样，并以实际资料葡萄露菌病和草莓叶枯病的病害发生率为例，藉由计算离势参数、-2 Res Log Likelihood、AIC、BIC和绘制残差图，比较逻辑斯回归、贝他－二项模式、威廉斯模式与广义线性混合模式四种模式对资料进行配适情形，来探讨这些方法克服过度离势的能力并比较其优劣。

So, in order to provide scientific afforestation methods and guideline, it is rather necessary to introduce and popularize Picea mongolica in arid and semiarid regions.

但是该树种是云杉属中的特殊种，在半干旱草原中于沙地上能良好生长，有罕见的防风阻沙能力，大有在半干旱区甚至干旱区引种推广的必要。

Under the artificial arid condition, the changes of the relative leaf water content,the chlorophyll fluorescence and photosynthetic pigment content of Pistacia weinmannifolia and Pistacia chinensis were studied.

人为模拟干旱条件下，研究了黄连木、清香木幼苗的叶片相对含水量、荧光和光合色素的变化情况，同时对胁迫后期两树种幼苗的生存率也进行了调查分析。

Objective To investigate the ability of myocardial fractional flow resever in predicting the incidence of major cardiac events (death, myocardial infarction, revascularization arid recurrance of angina) 3 months after stent inplantation and also try to find out the cutoff point.

目的 研究冠状动脉内支架术后即刻心肌血流储备分数(myocardial fractional flow resever， FFRmyo)对於术后3个月心脏事件的预测价值，并建立目标FFRmyo值。

Populus is Salicaceae Populus spp Asia, Central Asia is a desert area in the most widely distributed tree species, it constitutes "according to duga" Lin strength of the continental climate in arid region of verdant oasis.

胡杨是杨柳科胡杨亚属植物，是中亚荒漠区中分布最广的乔木种之一，它所构成的&杜加依&林强度大陆性气候的干旱地区形成葱郁的绿洲。

By using remote sensing and GIS together with macroscopic research method, we have gained new knowledge on soil salination of the arid region and strategies for soil improvements.

通过使用遥感和地理信息系统宏观研究手段审视干旱区土壤盐渍化和改良措施得到一些新认识。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。