查询词典 water and soil

This paper through field test and theory research in the west of Heilongjiang province, analyze the water and soil loss regulation of slope farmland in blackland.

本文通过现场试验和理论研究探讨了黑龙江省西部黑土区坡耕地水土流失规律，建立了黑土区坡耕地土壤水分入渗和径流模型，并对不同作物、不同耕作处理条件下的坡耕地水土流失进行评价。

Collecting water and soil samples from Tainan brine pan of Lianyungang, taking salt as the sole growth limiting factor, we have investigated the numerical distribution of halophilic bacteria with the media containing 4%, 12% and 25% mass-concentration of NaCl.

在连云港台南盐田中取卤水和底泥样品，以盐为限制性生长因子，采用含4％、12％和25％的NaCl平板对嗜盐菌的分布状况进行调查，表明盐田中嗜盐菌数量在夏季最多，每毫升卤水中最高为1。

The spatial spread of cattail community primarily was the result of the gradual accumulation of contaminations and nutrients in water and soil, and the important reason why the removal efficiency of contaminations declines can be found in the decrease of wetland area.

香蒲群落在空间上的扩展，主要是水和土壤中污染物和营养逐渐积累的结果，湿地面积的减少是污染物去除效率下降的重要原因。

In 1996,during one occasional research, the France Polar Research Team discovered that during this period if grew some vivid-coloring wild berries. By the research of the botanist, these valuable rarity wild berries are provided with egregious vitality and ability of self-improvement, only need a little water and soil, it can grows in the dark and cold North Pole area, when the sun rises up, it appears clinquant and transparent colors quickly, and the scarfskin is fruity and vibrant, this wild berries are given the good name of"Resplendent North Pole Berry".

1996年法国极地科研团队在一次偶然的考察中发现这时的北极大地会神奇的长出一些色泽鲜艳的，经过植物科学家观察研究发现，这些珍贵稀少的，具有惊人的生命力和自我修护的能力，往往只需少许的水很土壤，便能在黑暗寒冷的北极地区生长，一旦太阳升起，阳光洒落，便能迅速展露出金光闪闪、透明澄净的色泽，且表皮圆润富有弹性，也就有的美称。

And water and soil loss is lied on the first stage,i.e.,the erosion process of geomorphology development.

水土流失目前主要是指第一阶段即地貌发育的侵蚀过程。

The Poa pratensis is graminaceous rhizome needle grass,its rhizome are very stronger,the nutrition value is very higher.Now it is used as grass seed to conserve water and soil,graze and mow grassland and degraded grassland restoration.

草地早熟禾为禾本科多年生根茎下繁草，根茎发达，营养价值丰富，常被作为水土保持草种、放牧及刈割草场草种、草地退化恢复的先锋草种。

The evaluation indictor of the comprehensive benefits of the ecological restoration of water and soil conservation is classified and analyzed and the major evaluat...

研究对水土保持生态修复综合效益评价的指标进行归类和分析并对主要的评价方法进行评述，在此基础上确立了评价原则、建立了一套涵概生态效益、经济效益和社会效益的综合评价指标体系。

The excellent features and multifunctional traits of Jerusalem Artichoke are not only essential qualification for the development of herbivores, but also important to water and soil conservation and environmental protection.

菊芋的许多优良特性和多功能特点，不但是发展草食畜禽的必要条件，而且对水土保持、环境保护有重要作用。

It is proved by practice and tests that crystallizable erosion of concrete by sulfates in water and soil is one of the most serious ones influenced by macroclimate.

水、土中硫酸盐对混凝土结晶腐蚀，经工程实践和实验研究证明是受宏观气候影响最大的一类腐蚀。

In recent years The temperature rising in climate and continuous draught, together with the overgrazing and other unreasonable human activities, has resulted in serious eco-environment deterioration, less runoff, water and soil loss, more mudflow, pasture degeneration, land desertification, reduction of biological diversity, etc. This threatens the local agricultural and husbandry production and the people's living, and also restrains the social and economic development.

由于近年来气候升温、持续干旱，加上超载过牧及其他不合理的人类活动，导致生态环境严重恶化，径流量减少，水土流失、泥石流加重，草场退化、土地沙化，生物多样性减少等，使当地农牧业生产和人民生活受到威胁，制约了社会经济的发展。

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。