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water and soil相关的网络例句

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与 water and soil 相关的网络例句 [注:此内容来源于网络,仅供参考]

The result shows, grass of Sikkim small hole is temporary decline Yan period with permanent decline water content of Yan period soil is respectively 7.06% be in temporary decline with 6.20%; the Sikkim of Yan period is small after water of Kong Cao answer bibulous and rapid, decline Yan condition is eliminated gradually, appearance of aftertreatment group of answer water 6 H and contrast active of basic consistent;SOD is during threatening processing with markedder than notting have to taking a picture change, the ascendant;CAT that there is certain range after answer water and POD active are in threatening during after rising first, drop, all remarkable prep above contrasts level, and the active;MDA content that still keeps taller after answer water as the extension of time of arid and threatening processing mushroom, to threatening the 8th climate reachs maximum, content of the MDA in the lamina after answer water drops quickly, arrive the 5th day after answer water, content of the MDA in threatening group lamina is adjacent already contrast level.

结果显示,锡金微孔草暂时萎焉期和永久萎焉期土壤含水量分别为7.06%和6.20%;处于暂时萎焉期的锡金微孔草复水后吸水迅速,萎焉状态逐渐消除,复水6 h后处理组外貌和对照基本一致;SOD活性在胁迫处理期间和对照相比无显著变化,复水后有一定幅度的上升;CAT和POD活性在胁迫期间先上升后下降,均显著高于对照水平,且复水后仍然保持较高的活性;MDA含量随着干旱胁迫处理时间的延长而迅速增加,到胁迫第8天时达到最大值,复水后叶片中MDA含量迅速下降,到复水后第5天,胁迫组叶片中MDA含量已接近对照水平。

Using the technique of ridge film mulching and furrow seeding in western Liaoning can improve the utilization ratio of natural precipitation to prohibit soil water evaporation, conserver soil water and increase yield of corn.

在辽西风沙半干旱雨养农业区采用垄膜沟种技术,可有效提高自然降水利用率,达到保水增墒、减少无效蒸发,提高玉米产量的作用。

Therefore, if the soil water properties and soil water-storage was studied with traditional statistic method, we would not know the variate are dependent or independent, whether the results have spatial distributing pattern or not, even not know whether the number of sample is economical and rational or not.

因此用传统方法分析土壤水分特性和水库贮量并不清楚所得的数据是否相互独立,是否存在一定的空间分布格局,更不知道所确定的取样数量是否经济、合理。

For such reasons, the author investigated comprehensively on cropping systems and agriculture development in Fenxin County from 2002 to 2004, using mathematics model and GIS, discussed the cropping systems characteristic and development orientation and optimized the cropping systems spatial distribution. The data were collected from literature, questionnaires to experts and farm households, on-site investigation and field experiments. The main results are as follows:1,Because of inconsequent exploitation and management of the resources, rapid increasing population in hilly region of red soil, the stress on soil, deterioration of farmland ecological environment and soil gleization become more and more serious. Natural features , water and thermal resources and species are abundance.

基于以上目的,作者于2002-2004年,通过资料调研、专家咨询、农户调查、实地考察和田间试验等手段,对江西奉新县的种植制度和农业发展进行了全面的调查,通过建立数学模型和运用地理信息系统,对奉新县的种植制度的特征和发展方向进行了全面的论述,并且对种植制度进行了空间布局优化,主要结果如下: 1、红壤丘陵区由于长期以来对资源的不合理利用和掠夺式经营以及人口的急剧增长,土地压力上升,农田生态环境恶化,土壤潜育化,土壤肥力退化非常严重,但区内自然条件优越、水热资源总量丰富、物种丰富,具有一定的区位优势,为区内种植制度调整提供了有利条件。

In a word, according to the research of pulp wastewater treatment using pond-reed system, we discovered that the complex system can removal wastewater pollutants effectively, at the same time, the salinity of soil is dramatic decreased through wastewater washing, which bring many active results: increasing of N, P, and organic matter; enhancing of soil microbes, enzymes, MBC/TOC, and soil respire rate; increasing of reed height and yield, decreasing of weed diversity; affecting of transporting ability of Ca, Mg, K, Zn, and Mn , and improving of water shortage, salinity resistance and rhizosphere metabolized secretion conditions, all those improved the weak ecosystem.

总之,经过对生物塘-芦苇湿地系统处理造纸废水的研究,发现系统能有效去除废水中有机物,同时废水灌溉还极大的降低了土壤盐分,产生了一系列积极效应:系统内氮、磷、有机质增加;土壤微生物和酶活性增强;MBC/TOC及土壤呼吸强度提高;芦苇株高和产量增加,而杂草的多样性减少;同时也会影响系统内钙、镁、钾、锌、锰等离子迁移,改变系统受盐碱和缺水胁迫的现状和根际代谢状况,极大地改善了滨海盐碱生态系统现状。

It is very important to measure sediment concentration in water current on studying of soil erosion and soil and water conservation.

引言土壤侵蚀是危及人类生存与发展的重要环境问题之一,在我国表现尤为突出。

As the shortage of water resource is seriously,reclaimed water has been used on turf as substitute of fresh water.3 types of water(fresh water,fresh+reclaimed water,and reclaimed water)were used to irrigate 5 common turfgrasses(Poa pratensis,Festuca arundinacea,Zoysia japonica,Buchloe dactyloides,Radix liriopes) during 2003-2005;the growth characters and sensory quality of turf grasses and soil responses were investigated.

随着城市绿地与人争水的问题日益突出,再生水作为替代水资源在草坪草上的应用日益广泛。本试验于2003-2005年用3种类型灌溉水(清水、&清水+再生水&、再生水)处理5种草坪草(草地早熟禾、高羊茅、结缕草、野牛草和山麦冬),从观赏品质和生长指标方面进行耐污性评价,并分析再生水对土壤的影响。

From water loss and soil erosion,encroachment of sea water, ground subsidence ,desertification of land,soil salination,landslide and other aspects the research contents of environmental geotechnical engineering are discussed.

介绍了环境岩土工程的定义及其研究现状,从水土流失、海水入侵与地面沉降、土地砂化及盐碱化、滑坡与山崩等方面探讨了环境岩土工程的研究内容,分析了环境岩土工程的特点,并针对环境岩土工程今后的发展提出了一些建议,以供参考借鉴。

From water loss and soil erosion,encroachment of sea water,ground subsidence,desertification of land,soil salination,landslide and other aspects the research content s of environmental geotechnical engineering are discussed.

介绍了环境岩土工程的定义及其研究现状,从水土流失、海水入侵与地面沉降、土地砂化及盐碱化、滑坡与山崩等方面探讨了环境岩土工程的研究内容,分析了环境岩土工程的特点,并针对环境岩土工程今后的发展提出了一些建议,以供参考借鉴。

So arecanut seedings can endure and adapt to drought stresses under conditions of lower soil water content. The water use efficiency and soil moisture had negative correlation.

槟榔幼苗的水分利用效率和土壤水分含量成负相关,即水分胁迫程度越深,叶片的水分利用效率越高。

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According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm~150rpm时取得最大值,此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世,形体几无变化。

When I was in school, the rabbi explained everythingin the Bible two different ways.

当我上学的时候,老师解释《圣经》用两种不同的方法。