查询词典 artificial rainfall
- 与 artificial rainfall 相关的网络例句 [注:此内容来源于网络,仅供参考]
-
At present, ultra-high voltage test hall, the ultra-high voltage insulator arrester and tension is building laboratories, can simulate high altitude and filthy, Icing, artificial rainfall, and other special environmental conditions in UHV filthy and Environmental Laboratory has also started construction, UHV test transformer is already in place.
目前,特高压试验大厅、特高压避雷器和绝缘子试验室正紧张建设,可模拟高海拔、污秽、覆冰、人工降雨等特殊环境条件的特高压污秽及环境试验室也已动工建设,特高压试验变压器已经就位。
-
At present, ultra-high voltage test Hall Voltage Sensor , the ultra-high voltage insulator arrester and tension is building laboratories, can simulate high altitude and filthy, Icing, artificial rainfall, and other special environmental conditions in UHV filthy and Environmental Laboratory has also started construction, UHV test transformer is already in place.
目前,特高压试验大厅、特高压避雷器和绝缘子试验室正紧张建设,可模拟高海拔、污秽、覆冰、人工降雨等特殊环境条件的特高压污秽及环境试验室也已动工建设,特高压试验变压器已经就位。
-
In experiment,we controlled soil moisture by methods of artificial rainfall and restoring water in soil post;soil treatments included non-cover,mealie haulm cover and gravel cover.
在干旱半干旱的黄土高原和广大的荒漠地区,林地的生态系统十分脆弱,土壤水分动态制约着这些地区生态恢复与植被重建工程的可持续性[1]。
-
So the systematically study of loess landslides are emergently needed. Based on detailed investigation and survey of characteristics of environmental geology, engineering geology, hydrometeorology in Tongchuan, the distribution characteristic and the outer, inner factor of loess landslides are studied; and it is concluded that the rainfall and artificial engineering activity are the leading causes of loess landslide among various factors. Through plenty of tests of soil samples, it is researched that the loess"s physical mechanics characteristics, the loess landslide"s formation mechanism and kinematics mechanism.
本文在详细调查和勘察铜川地区的环境地质、工程地质及气象水文特征的基础上,对黄土滑坡的分布特征和滑坡形成的内外因素进行了深入剖析,认为在各种影响因素中,大气降水和人类工程活动是铜川黄土滑坡的最主要的诱发因素;在采集大量的土样并进行试验的基础上,对黄土的物理力学特征和黄土滑坡形成机理、运动学机理进行了研究,推导出了滑坡运动机理中的孔压参数A_D、B_D分别与孔隙比和饱和度的统计关系。
-
Contemporary artificial rainfall is artificial rainfall basically is principle of basis nature rainfall, launch activator from the ground through the plane is spread or using tall artillery piece, rocket, wait like silver iodide, dry ice, liquid nitrogen, drop cloud layer temperature thereby, form supersaturation lunt; to perhaps condense to the boardcast sowing in the cloud layer that contains supersaturation lunt nucleus, increase the ice crystal amount in the cloud, increase the amount of drip-drop and diameter then, raise cloud precipitation change rate, achieve the goal that raises precipitation of bureau ground nature thereby.
二、现代的人工降雨人工降雨主要是依据自然降雨原理,通过飞机播撒或利用高炮、火箭从地面上发射催化剂,如碘化银、干冰、液氮等,从而降低云层温度,形成过饱和水汽;或者向含有过饱和水汽的云层中撒播凝聚核,增加云中的冰晶数量,进而增加雨滴的数量和直径,提高云降水的转化率,从而达到增加局地自然降水的目的。
-
According to the result of artificial rainfall, the character and factors affectedby soil, rainfall, chemicals, slope length, slope gradient and field mangment practices, for rainfall, runoff,infiltration, soil erosion and soil chemicals, such as NO_3~-, NH_4~+, PO_4~(3-), K~+ and Br~-, are investigated. Thedeterminate methods, influence factors and practical application of the mixing zone depth are also researched.The results can enrich the dynamics of soil, water and nutrient transport, evaluate the soil water and fertilizerefficiency, and theoretically benefit the research of agricultural NSP on loess hill slope. 1. According to the surface transport experiments of soil chemicals under the non-satuation soil and watererosion condiction, for adsorbed PO_4~(3-) and K~+, the time of sheet erosion and rill erosion initiation is coincidentthat of chemicals content in surface runoff climbs, and then their abundant export by surface runoff is urged.
本文以黄土坡地为研究对象,通过模拟降雨试验,研究土壤因素、降雨因素、化学物质理化性质、坡长坡度因素和农田管理措施等对坡地降雨—产流—入渗—土壤侵蚀—农田NO_3~-、NH_4~+、PO_4~(3-)、K~+和Br~-地表迁移的影响,研究非饱和土壤和水蚀条件下混合层深度的确定、影响因素和模拟,探讨其在黄土坡地的实际应用,为丰富坡地水分养分迁移动力学、提高旱地土壤水分养分利用率和深化农田非点源污染研究提供理论依据。
-
The method of photograph is applied in the artificial simulating rainfall equipment to measure the rainfall terminal speed.
结合实例详细介绍了摄影法在测定人工降雨装置水滴降落终点速度的应用。
-
In order to study the origin of the particilate nitrogen and phosphorus PN (P nonpoint source pollution there, so as to get it under control, some artificial rainfall experiments was made around Guanting Reservoir, the results show that the correlation between transporting rate of PN and yielding rate of sediment is very good, with the average correlation coefficient 0.9594 and 0.9772 for PN and PP respectively.
为研究妫水河流域的颗粒态氮磷非点源污染来源,以控制非点源污染,在官厅水库周围进行了野外人工降雨试验。试验数据表明,氮磷输移率与产沙率具有很好的相关性,颗粒态氮、磷的平均相关系数分别为0.9594和0.9772。
-
Based on the result of field artificial rainfall experiments on 60m length slopes,sedi-ment delivery is consisted of raindrop impact,slope runoff and rill flow delivery.Accord-ing to their functions,rill was ranked firstly then slope run off,and last raindrop impact.
通过野外60m坡面人工降雨实验及过程结果分析可知:输移由雨滴击溅、坡面径流和细沟输移三部分组成,按作用大小来排,细沟流占第一位,坡面径流占第二位,雨滴击溅最小。
-
The main contents are as follows:Firstly, starting with the general situation of soil erosion and the harms caused by it, the causes leading to the local soil erosion problem are analyzed comprehensively in the paper. And connecting with the measures taking place, sticking points towards the career of soil and water conservation are expatiated upon.Secondly, Back-Propagation Neural Network, One of Artificial Neural Network is used to set up a modal about the connection of the soil erosion modulus and seven factors impacts on it, such as, rainfall, rainfall largest intensity in 30 minutes, runoff coefficient, vegetation cover percent, rate of granule, rate of physical viscidity-clay, the rate of organic matter. Through the comparison with linear regression model, the second regression model, the Chinese Soil Loss Equation, it illustrated that BP Neural Network modal is more accurate than the other three modals in forecasting the mount of soil erosion, and the BP Neural Network will have some applicability in forecasting in soil erosion.
本文以霍山县作为皖西大别山区的典型区域,主要研究了以下内容:(1)从介绍霍山县土壤侵蚀状况以及所造成的危害入手,全面分析了导致当地土壤侵蚀发生的原因,并结合当地采取的水土保持相关措施,阐述了当地水土保持工作的症结所在;(2)结合上土市水土保持试验站多年实测资料和2005年实验资料,应用BP神经网络理论,建立了次降雨土壤侵蚀量与次降雨量、最大30min雨强、径流系数、植被覆盖度等因子之间关系的模型,并通过BP神经网络的预测模型与一次回归模型、二次回归模型、CSLE模型之间的对比分析,说明了建立的BP神经网络模型在土壤侵蚀预测可以取得较回归模型和CSLE模型更高的精度,也说明了BP神经网络理论在土壤侵蚀预报中具有一定的适用性。
- 推荐网络例句
-
For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether
年美国个人破产法的一个改动使得破产登记急速下降,而后引起了信用卡大规模的亏损。
-
Eph. 4:23 And that you be renewed in the spirit of your mind
弗四23 而在你们心思的灵里得以更新
-
Lao Qiu is the Chairman of China Qiuyang Translation Group and the head master of the Confucius School. He has committed himself to the research and promotion of the classics of China.
老秋先生为中国秋阳翻译集团的董事长和孔子商学院的院长,致力于国学的研究和推广。