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野外调查

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Finally, aimed at the steady water table in massive deserts of middle Tarim basin, the feasibility of only identifying the depth of water table in the area with low-velocity zone was discussed, indicating that it can largely decrease the density of investigation points.

最后,针对塔中大沙漠区潜水面稳定这一特点,讨论了野外低速带调查仅确定潜水面的埋深的可行性,这样可以大大降低调查点密度。

In the east of Jiuding mountain, arbors dominated the upper layer of the community, and their shade has a significant effect on shrubs and grasses underneath from the valley to the forest borderline.

在野外样带调查的基础上,分析了沱江源头九顶山植被生物多样性随海拔而变化的规律,并简要分析了植被生物多样性垂直格局的影响因子。

In different degree of saline and alkali conditions controlled in lab or under field, contents as followed were determined: the absorption, transportation and distribution of major cations Na~+, K~+, Ca~(2+and Mg~(2+) in indicator plant; organic solute, and antioxidase activities, including superoxide dismutase, catalase and peroxidase POD characteristics of individual, population and community of the plant. Responses of the indicator plant to environment from physiological to community aspects were systemically discussed in this document.(1 Vegetional characteristics and edaphic indicators including bare patch index, dry biomass, percent cover by perennial plants, growth indicators of Leymus chinensis, soil organic matter and pH were sensitive to saline-alkali grassland degeneration.

运用室内控制和野外试验相结合的方法,调查和测定在不同土壤盐碱条件、不同季节里,主要元素Na~+、K~+、Ca~(2+)、Mg~(2+)在植物体内吸收、运输和分布的变化状况;研究不同土壤离子浓度下,指示植物体内渗透调节物质——脯氨酸和糖类、超氧化物歧化酶、过氧化物酶和过氧化氢酶活性等指标的变化响应情况;研究不同盐碱梯度下,植物个体、种群、群落的特征;系统的从生理生态角度探讨指示植物对盐碱环境的响应:(1)植被特征指标:裸地指数、生物量、多年生植物覆盖率;羊草生长状况指标:土壤有机质含量、pH可作为松嫩平原退化评价的指标。

Here I reported new structural data to answer above question, including field section observations and geologic map with large scale in a key area, accompanying with detail microstructural observations, quartz C-axial fabric analyses, and tectono-thermogeochronology (40Ar/39Ar and zircon SHRIMP U-Pb method). Taking available previous data into account, following progression is achieved:1. Completely rebuilding the post late-Paleozoic deformation history of the Harlik MountainFive stages of deformation were identified:(1)pre-Permian compression deformation which may have resulted from pre-Permian subduction;(2) earlier Permian post-collision extension;(3) middle Permian west-east directed dextral slip shearing;(4) later Permian nearly N-S compression deformation; and (5) later Cenozoic intra-plate N-S compressional deformation.

本文选择新疆东部哈尔里克山为研究对象,通过详细的野外路线地质构造调查和关键地区大比例尺地质填图,以及室内显微结构观察、石英岩组分析和构造热年代学(Ar-Ar和锆石SHRIMP U-Pb定年)研究,结合前人研究成果,取得了如下新进展:1、系统重建了哈尔里克山晚古生代以来的变形历史识别和确定了该区板块俯冲碰撞阶段的二叠纪以前挤压变形,后碰撞阶段早二叠世伸展变形、中二叠世近东西向右行走滑变形和晚二叠世近南北向挤压变形,以及板内演化阶段的晚新生代南北向挤压变形等5期构造变形事件。

Lithology, sedimentation and oil-bearing characteristics of the three basins are introduced in the paper.

在前人研究基础上,利用后两者钻井地质与野外剖面调查的测试研究成果,初步对比了3个沉积盆地地层岩性沉积与含油气性的特征。

Quires:(1) the combination of laboratory microcosm study and field mesocosm experiments; and (2 ) the

野外控制实验;(2)结合物种多样性调查和不同功能群的功能分析。

The research adopts room test and outdoor sampling method together.

本项研究主要采用室内试验和野外样方调查相结合的方法来进行研究。

However, the mathematical study of the geology of this area is still lacking. On the basis of geological field survey, we have made systematic sampling and geochemical analyses of the rocks, and systematically studied the relationship between the Cu-Ni variable and the rock-forming element variables by the method of multi-variate...

文中在系统的野外地质调查基础上,进行了系统采样和岩石地球化学分析,应用多元线性回归和逐步回归分析相结合的方法,借助SPSS数学统计软件系统的研究Cu-Ni变量与造岩元素变量的关系,建立Cu-Ni变量与其他变量的回归方程,验证与解释白石泉Cu-Ni硫化物矿床的成因、岩浆来源等问题,对指导找矿勘探有重要作用,对应用数学地质方法有指引作用。

This papen,based on field investigations,introducrs Characteristics and uses of tourism resources of main scenic areas in Urumqi County.Through the investigation and eraluation,the report sugyests to build scenic areas of the Southern Mouitain and the Eestrn Mountain of the County in a national and a

本文应用野外考察资料,全面介绍了乌鲁木齐县各主要风景区旅游资源的特色与功能,通过资源调查评价提出了将乌鲁木齐南山与东山两个风景区分别定为国家级和市级风景名胜区的建议。

In the spring of 2003, WSCF was used in afforestation trial in wulanbuhe desert, Inner Morgolia, Qing shuihe town in Hohhot city, and kulun Qi in Tongliao.The result showed that the trial with WSCF was obviously better than without it in survival rate and growth. In the soil of different depths, the water content increased in using WSCF depth , which derived from the trial in Wulanbuhe desert.

我们于2003年春季在内蒙古乌兰布和沙漠、呼和浩特市清水河县、通辽市库伦旗等地应用蓄水渗膜袋进行了野外造林对比实验,取得了初步研究成果,通过使用蓄水渗膜材料进行造林试验,与未使用蓄水渗膜袋造林进行比较,调查生长情况,结果表明,使用蓄水渗膜袋造林明显好于对照,造林成活率,苗木生长量与对照有显著差异。

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