artificial rainfall造句
例句與造句
- According to the observation data and outcomes of artificial rainfall , based on the overland flow formulas established slope farmland runoff model
摘要在野外模擬降雨的基礎(chǔ)上，建立基于一維圣維南運(yùn)動(dòng)方程的黑土區(qū)坡耕地徑流模型。 - Based on artificial rainfall , the courses of sediment yield were studied , at the same time , analyze influence of rainfall intensity , gradient and bulk densities to sediment yield amount
在人工降雨實(shí)驗(yàn)?zāi)M的基礎(chǔ)上，對硬地面次降雨侵蝕產(chǎn)沙過程和影響硬地面侵蝕產(chǎn)沙的因素進(jìn)行了初步探討，為硬地面的侵蝕防治提供了科學(xué)依據(jù)。 - The paper analyzes the effect of three cultivation measures of contour cropping , manual excavation and manual hoeing to the reduction of run - off energy and erosion based on office artificial rainfall testing
摘要在室內(nèi)人工降雨試驗(yàn)的基礎(chǔ)上，分析了等高耕作、人工掏挖和人工鋤耕3項(xiàng)耕作措施對徑流能量的削減作用和減蝕作用。 - In order to control wind erosion , 5 measures are brought out that to increase artificial rainfall , to develop irrigated farming and to rise using rate of water resource , to control soil erosion , to optimize the frame of crops and solid expoiting , and to establish control and forecast system
提出了防治沙化的5大措施，即增加人工降雨改造利用沙地、發(fā)展灌溉農(nóng)業(yè)提高水資源利用率、治理水土流失、優(yōu)化種植結(jié)構(gòu)、立體開發(fā)、建立健全監(jiān)測預(yù)報(bào)系統(tǒng)。 - Experiments of artificial rainfall showed that sediment is the main body of total nutrient loss and runoff is the main body of available nutrient loss when erosion is slight , but sediment become the main body of total and available nutrient synchronously while erosion is intense . concentration of nutrient in runoff is most likely to be affected by concentration in topsoil . the higher concentration in topsoil is , the more possible nutrient loss by runoff is
人工降雨實(shí)驗(yàn)結(jié)果表明，在降雨強(qiáng)度和侵蝕強(qiáng)度不大時(shí)，侵蝕泥沙是全量養(yǎng)分流失的主體，地表徑流則是速效養(yǎng)分流失的主體；而當(dāng)在降雨強(qiáng)度和侵蝕強(qiáng)度極為劇烈時(shí)，侵蝕泥沙成為全量養(yǎng)分和速效養(yǎng)分二者流失的主要載體；地表徑流中的養(yǎng)分含量很大程度上受土壤中養(yǎng)分含量的影響，土壤中養(yǎng)分含量越高，養(yǎng)分徑流流失的可能性越大。 - It's difficult to find artificial rainfall in a sentence. 用artificial rainfall造句挺難的
- This work aims at studying multi - scale structures of large - scale stratiform precipitating clouds typical of henan province of central - eastern china in spring and autumn drought periods of china , the potentials and techniques of artificial rain increase . through analysis of historical weather / climate and cloud physical data , developed are a number of multi - scale observational schemes including intensive observational items , and space / time resolutions of data for integrative field observations to obtain real - time measurements of the structures at large - , medium - , small - and micro - scale . from analysis of observed separate items , their integrative treatment and numerical simulation we place focus on case studies and their integration in investigating such structures of stratiform precipitating clouds over the target region , rainfall physical mechanisms and exploitation of artificial rainfall increase potentials , whereupon a conceptual model is constructed and a range of catalysis schemes are proposed to improve smaller - scale forecasting accracy and techniques for the rainfall increase , with the dominant results given below
以地處中原、具有典型代表意義的河南層狀降水云系為主要研究對象，在對該地歷史天氣氣候和云物理等資料分析的基礎(chǔ)上，研究設(shè)計(jì)云系多尺度觀測方案(包括加密觀測項(xiàng)目、觀測時(shí)空分辨率) ，實(shí)施有設(shè)計(jì)的外場綜合觀測，獲取云系結(jié)構(gòu)多尺度(大、中、小、微)配套的實(shí)時(shí)觀測資料；通過對各種觀測資料的分項(xiàng)和綜合處理分析，以典型個(gè)例觀測和數(shù)值模擬分析研究為重點(diǎn)，綜合多個(gè)例分析，研究河南層狀降水云系多尺度宏微觀結(jié)構(gòu)特征、降水物理機(jī)制和人工增雨潛力條件，建立典型層狀云系人工增雨概念模型，研究科學(xué)的人工增雨作業(yè)技術(shù)系統(tǒng)。 - Through measuring slope forms on the spot , serried sampling , physical and chemical analyzing , and measuring soil erosion from natural and artificial rainfalls , the project researched in the approaches and behaviors of soil erosion affecting contents of soil carbon and nutrient , and the law of soil carbon and nutrient distributing in micro - topographty under influences of soil erosion . in the same time , supported by geographic information system , models of soil carbon and nutrient changing with soil erosion have been built , and spatial processes of soil erosion affecting soil carbon and nutrient have been simulated , and annual and long - term changing of soil carbon and nutrient under impact of soil erosion have been estimated and forecasted , and synchronously , a elementary assessment for different soil erosion management has b een performed by using the models built in the study
本研究以三峽庫區(qū)秭歸縣水田壩鄉(xiāng)王家橋小流域四個(gè)徑流試驗(yàn)區(qū)二十個(gè)標(biāo)準(zhǔn)小區(qū)為研究對象，通過坡形實(shí)地測量、坡面密集采樣的顆粒分析和養(yǎng)分含量分析以及人工模擬降雨實(shí)驗(yàn)，研究了土壤侵蝕對土壤碳和養(yǎng)分的影響途徑和表現(xiàn)，侵蝕作用影響下土壤碳和養(yǎng)分在微地形空間的分布規(guī)律；同時(shí)，在地理信息系統(tǒng)的支持下，建立了侵蝕條件下的土壤碳和養(yǎng)分變化模型，模擬了侵蝕對土壤碳和養(yǎng)分影響的空間過程，預(yù)測了侵蝕影響下土壤碳和養(yǎng)分的年變化及多年變化，并通過研究建立的模型對不同侵蝕控制措施進(jìn)行了初步的效益評價(jià)。 - The paper establishes a mathematical model for calculating soil erosion modulus and a method for calculating new soil loss by using annual rainfall data and individual rainfall data , taking the outcomes of tests and study of natural rainfall , artificial rainfall and washout as a basis , rainfall erosion force , soil resistance to erosion and ground slope as main factors and combining with the study on new soil loss in typical regional development and construction
摘要以天然降雨、人工降雨、放水沖刷等試驗(yàn)研究成果為基礎(chǔ)，結(jié)合典型區(qū)域開發(fā)建設(shè)新增土壤流失分析的研究成果，以降雨侵蝕力、土壤抗沖性和地面坡度為主要因子，建立了用年降雨資料和次降雨資料計(jì)算土壤侵蝕模數(shù)的數(shù)學(xué)模型和開發(fā)建設(shè)新增土壤流失量的計(jì)算方法。