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field survey相关的网络例句

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

The survey about employing insecticide in zone of releasing Aphidius gifuensis and convention field show that: Agricultural chemicals employment number of times reduce 1.22 and average employment amount reduced 40%.

对放蜂区和常规施药防治区内烟农施用杀虫剂情况的调查表明,在放蜂区施用杀虫剂的平均次数为1.83次,而常规施药防治区为3.05次,放蜂区的施药次数比常规防治区减少40%。

In the coastal zone of Yangcheng, terrestrial pollutions include the farmland run off, aquicultural waste water discharge, domestic sewage and industrial sewage drainage. The contribution of terrestrial nitrogen and phosphorus discharged into near shore was evaluated through literature survey and field investigation in the coastal zone of Yancheng.

文章采用野外实地调查和文献调研相结合的方法,从农田径流、养殖废水排放、居民生活污水和工业废水排放等几个方面,初步估算了盐城海岸带陆源氮磷污染负荷的分配情况。

In order to determine organic storage and its space distribution characteristics in paddy field of region, on the basis of second soil survey database, the space databases in unit of soil local type were set up by adoption Arcview software, integrated with GIS software, basined on soil type methods and region scale, the distribution of soil organic carbon storages in purple paddy soil of Chongqing were investigated. The results showed that the storage of SOC in Banan district of Chongqing was 6.48×10^6 t and average SOC density in Banan district with 8.31 kg/m^2 was higher than that of China.

为了明确区域稻田土壤碳库蓄积量及其空间分布特征,以全国第二次土壤普查数据资料为基础,运用地理信息系统软件Arcview建立研究区以土种为单位的空间数据库,结合GIS空间分析功能,基于土壤类型法估算重庆市巴南区稻田土壤有机碳储量及其空间分布特征,结果表明:研究区稻田土壤有机碳总储量约为6.48×10^6t,平均土壤有机碳密度为8.31kg/平方公尺,略高于全国平均水平。

Based on the database of 1986-2000 provided by the Wild Bird Federation Taiwan and a field assessment survey conducted between 1998 and 2000, four exotic species of cockatoos, belonging to the genus Cacatua, were found in Taiwan.

依据中华民国野鸟学会鸟资库1986-2000及本研究1998-2000的野外评估调查,在台湾已有4种鹦鹉科外凤头鹦鹉属鸟种的野外族群出现。

On the basis of the information obtained through field geological survey and indoor integrated petrological and petrochemical studies, it has been found that there is a clear and sharp pulsatory intrusive contact between various rock units of the rock body and a number of dark dioritic microinclusions are present. The rocks are characterized by a relatively low total REE content, relative enrichment in K, Rb, Ba and Th and relative depletion in Cr, Ti, Nb, Sr and P.

根据野外地质调查资料和室内的岩石学、岩石化学等特征的综合研究成果,发现该岩体各单元之间呈脉动式侵入接触,接触界线清晰,且含有较多暗色闪长质微粒包体;稀土总量较低,K、Rb、Ba、Th元素相对富集,Cr、Ti、Nb、 Sr、Zr、P元素相对亏损。

And the main contents of this dissertation are:(1)The engineering geological features of discontinuities in surrounding rock mass were analyzed on the basis of field geological survey and the preferred orientation of the main discontinuities were derived. Then the displaceable blocks distributing on the roof and sidewalls of main chamber were searched out taking the intersecting relationship of discontinuities into consideration. Then the failure mode and the coefficient of stability of the displaceable blocks were studied respectively.

主要内容包括:①在野外地质调查基础上,通过统计分析得到地下厂区结构面的优势方位;对结构面工程地质特性进行了分析;根据结构面的空间组合关系,搜索出可能在主厂房洞室的顶拱和边墙部位出露的块体,并分析了各块体的可能滑移方式及其稳定性系数。

Coptis teeta is an economic medicinal plant which is well protected in Yunnan. Based on ethnobotanical theory, combined with field study, community survey, and literature study, we investigated the history of cultivation and traditional management of C.

运用民族植物学原理,采用野外面上调查、定点社区调查和文献研究相结合的方法,调查了云南西北部高黎贡山地区傈僳族对云南黄连的混农林种植历史和方式,总结了他们认知、利用、管理和保护这一名贵药用植物的传统知识和经验及其与生物多样性保护的关系。

Methods: The sample of 703 aircraft-made workers (522 riveters, 181 test pilots) was chosen randomly and field hygeian survey in aircraft-made site were carried out, as well as hearing test was done at the same time.

用整群抽样的方法在某飞机厂抽取703名飞机制造工人(其中铆工工人522名和试飞工人181名),进行现场卫生学调查和听力测试。

Using the survey data of several indexes as well as field experimental data of soil hydrology of microbiotic crusts in artificial vegetation-fixed sand dunes in Shapotou area, the impacts of microbiotic crusts on soil hydrological processes which included the penetration, interception and evaporation processes of precipitation were examined, and their mechanisms were also studied. The security problem of vegetation-fixing system due to the changed soil water environment in fixed sand dune area was analyzed further.

本文在上面的立意下,我们对沙坡头人工植被固沙区对微生物结皮的若干指标进行了详细的调查和试验,并安排了一系列微生物结皮土壤水文过程试验,从不同的角度揭示了微生物结皮在降雨渗透、拦截和蒸发过程中的作用,及其对降水在沙丘土壤剖面中的水分分配过程和格局的影响,并进一步分析了微生物结皮对固沙区土壤水环境的影响和植被固沙体系的安全问题。

According to the survey results of assessment field along the Tongling-Tangkou highway and relevant historic information,taking Muntiacus crinifrons as a surrogate species ,the impact of draft project on endangered wildlife is analyzed.

根据对铜陵至汤口公路评价区野外调查的结果,综合相关历史资料,以黑麂为&代理种&,分析拟建项目对珍稀濒危野生动物的影响程度。

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