土柱
- 与 土柱 相关的网络例句 [注:此内容来源于网络,仅供参考]
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To research the water retention performance of lowland heightening farmland protection project in Tingzikou Water Control Pivot, large-scale soil column experiments and one-dimensional saturated-unsaturated flow simulations have been performed.
针对亭子口水利枢纽农田防护工程低地垫高方案的保水性能,在室内大型土柱试验的基础上,建立基于Richards方程的一维饱和-非饱和水流运动数学模型,模拟分析不同防护方案条件下土壤水分的运动过程和保水性能。
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Two experiments both of simulation under rainproof shelter and plot in field were done to study the relationship between the yield of spring corn and soil moisture in the different treatments of water supply in Non-irrigated Plateau of Loess.
采用田间遮雨棚下模拟土柱的试验方法和田间小区试验方法,对黄土旱源长武塬区不同土壤水分处理下玉米产量与土壤水分关系进行了研究。
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The results showed that,the relationship between the relative biomass or grain yield and the soil moisture,or the relationship between the relative biomass or grain yield and the water consumption in the simulation experiment under rainproof shelter in field ;and the re...
结果表明,无论是模拟土柱试验中,相对生物量、相对经济产量与土壤水分保证率之间的关系,或者相对生物产量、相对经济产量与相对耗水量之间的关系;还是大田小区试验中,玉米产量与耗水量之间的关系,或相对产量与相对耗水量之间的关系,它们都遵循如下抛物线变化规律:y=ax2+bx+c,a、b、c为待定常数。
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We do some work to study on the radioresistance bacteria Deinococcus radiodurans to construct one super bacteria, which could resolve the pollution in a complex environment contaminated by both radiation and organic compound.1 The leaching characteristics and vertical transport of 95Zr in two representational soils (panfan red soil and red-yellow earth) in Zhejiang province were studied with soil-pole simulation installation.
采用土柱法研究了~(95)Zr在浙江省有代表性的3种土壤中的淋溶和垂直迁移及盐度对其行为的影响。
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Traditional irrigation A2. subirrigation B1, subirrigation B2 were conducted.
试验包括地面灌溉、浸润灌溉两种供水方式、分别进行两种水分处理共4组冬小麦土柱栽培试验,每个试验同时设置两个重复。
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The paper focuses on the tetraploidy black locust on Loess plaeatu of West Shanxi province, applys steady state promoter method and image processing technology to study the days transpiration water consumption in different weather ,different seasons and different site conditions,has primary analysis on the impact of environment on the transpiration and carries on the calculation to the tetraploidy locust tree by the single leaf water consumption to the single tree water consumption in CaiJiachuan watershed; Uses fast weighing method to measure and analyze the transpiration water consumption of five different herbs under the tetraploidy black locust forest (Capillary Wormwood,Vanilla,Agropyron Sristatum , Common Sowthistle and Medicago Sativa) in short time, in the same and different growcrop,and calculates the average transpiration water consumption per square metres ;the soil colome weighing method was used for determining diumal variation quantity of soil moisture evaporation, analyzing the dynamic variation and caculating the total quantity of soil evaporation water consumption from May to August ; then 5 kind of suppositions about the types of surface vegetation coverage are proposed in experimented site and the total evapotranspiration water consumption are calculated under 5 suppoitions ,aim at providing preliminary theoretic basis for ascertaining the transpiration water consumption of tetraploidy black locust forest,controling standing forest density and optimizing the forest grass deploy on loess plaeatu of west Shanxi province .
本文以两种不同立地条件下的四倍体刺槐林为研究对象,采用了气孔计法对蔡家川流域生长季内不同天气状况下(典型晴天、阴天和半阴天)四倍体刺槐日蒸腾耗水规律、不同季节(生长季初期、中期和末期)的蒸腾耗水规律、两种不同立地条件下四倍体刺槐蒸腾耗水比较以及影响四倍体刺槐蒸腾耗水的环境因子进行初步研究分析,并对四倍体刺槐由单叶耗水量向单株耗水量进行推算;采用经典快速连续称重法对四倍体刺槐林地生长的主要5种草本植物(白蒿、香青兰、冰草、苦苣和苜蓿)短时段内蒸腾耗水规律、不同生长季内蒸腾耗水规律、同一生长季不同种类草本植物蒸腾耗水量进行了比较分析,并且采用面积与重量比的方法推算出了单位面积四倍体刺槐林地几种主要草本植物平均蒸腾耗水量:采用土柱称重法测定了5月份~8月份土壤水分蒸发昼夜变化量、对试验期内土壤蒸发量动态变化作了分析、推算出了试验地5月份~8月份土壤蒸发耗水总量;对试验地地表植被覆盖类型提出了5种假设,推算出5种假设的情景下蒸散耗水总量,旨在为晋西黄土区四倍体刺槐林蒸腾耗水量的确定、林分密度调控以及林草优化配置等提供初步的理论依据。
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Four uncropped soils in subtropical tea producing area were applied in soil column experiments to study the influence of urea and fallen tea leaves on soil acidification.
用亚热带茶区的4种未垦荒地土壤作土柱模拟,研究了重施尿素和表覆茶树落叶对土壤酸化的影响。
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The concentrations of CODcr and NH4+ vary from low to high, then from high to low in the process of refuse leaching, that is to say that there are three phases which are aerobian decomposition, facultative aerobian and anaerobian decomposition;(3)The time of landfill reaching to stabilize under the condition of filtration, for landfill of Jinqianpu, is at least 86 years if CODcr is regarded as a index; but is about 98 years when NH4+ as an index;(4)The column leaching experiment simulated is carried on interactivity between leachate and different lithologic characters, water-bearing media of different thickness. Some parameters can be determined by calculation, such as, the retained factor and hydro-chemical transportation rate of pollutants in suspended media, which quantitatively analyse the suspended soil capability of components purification and the pollution scope of water bearing media.
垃圾淋滤过程中和经历了一个由低到高、再由高到低的过程,即垃圾填埋过程中经历了好氧分解、兼性好氧分解及完全厌氧分解等三个阶段;(3)垃圾组分在淋滤条件下分解达到稳定的时间,对于金钱堡垃圾填埋场,若以作为考核指标,填埋场达到稳定化时间至少需要86年;若以作为考核指标,则填埋场达到稳定化至少需98年的时间;(4)对垃圾浸泡液与不同岩性、不同厚度含水层介质之间的作用进行了土柱淋滤模拟试验,通过计算污染质在包气带介质中运移的阻滞因子和水化学迁移率等参数,定量地描述了包气带土层对污染质的净化能力和污染范围。
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The water diffusion processes and the relationships between water diffusivities and soil water contents in typical meadow Calamagrostis angustifolia wetland soil in Sanjiang Plain were simulated by horizontal soil column infiltration method.
运用水平土柱入渗法模拟研究了三江平原典型草甸小叶章湿地土壤的水分扩散过程以及水分扩散率与土壤含水量之间的关系。
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Copper contaminated soil was selected, Brassica juncea and Elsholtzia splendens plants were used, then simulation experiment, hydroponic culture, column leaching experiment and pot experiment were conducted to study (1) effects of organic chelants on the Cu specition in soil solution and soil soild phase;(2)Effect and mechanism of organic chelants on plant growth and Cu uptake by plant;(3) nutrient addition on plant growth and Cu accumulation;(4) limitation of chelant in soil;(5) Desolving on nutrient and heavy metals in soil and their environmental risk by chelant application and (6) effects of degradable organic chelant and microbial materials on plant growth and phytoremediation efficiency of Cu contaminated soil.
选择铜污染土壤,利用印度芥菜和海州香薷植物,通过室内模拟试验、水培试验、土柱淋溶试验、温室盆栽试验,开展了以下六方面的工作:(1)有机络合剂对土壤铜固-液相形态、浓度变化的影响;(2)有机络合调控对对植物生长与铜吸收的影响及其机理;(3)养分调控对植物生长和铜积累的影响;(4)有机调控剂的作用时限;(5)有机物对土壤养分、重金属的络合溶解和淋溶作用与环境风险;(6)可降解络合剂及微生物菌剂对海州香薷修复污染土壤的效应。
- 推荐网络例句
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Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.
在对危险的南部地区访问时,他斥责什叶派民兵领导人对中央集权的挑衅行为。
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In fact,I've got him on the satellite mobile right now.
实际上 我们已接通卫星可视电话了
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The enrich the peopling of Deng Xiaoping of century great person thought, it is the main component in system of theory of Deng Xiaoping economy, it is a when our country economy builds basic task important facet.
世纪伟人邓小平的富民思想,是邓小平经济理论体系中的重要组成部分,是我国经济建设根本任务的一个重要方面。