查询词典 Karst

The problems include mixed pixel, shadow, metameric substance of same spectrum, metameric spectrum of same substance, and special stony land. According to the classification standard of National Environmental Protection Bureau in 2000 and actual situation in Huajiang karst gorge, the author adopts the technique wh...

根据国家环保局2000年分类标准，结合花江喀斯特峡谷的实际情况，本文采用了RS、GIS和传统勾绘技术相结合的方法进行土地利用类型划分，分类结果表明此方法是可行的，其精度可达89.65%。

This paper describes the determination on the activity of carbonic anhydrase (CA,EC4.2.1.1) of plant species in karst areas of Southwest China. CA was extracted from leaves of Vitex negundo. The thermostability of CA and the effects of anions and metallic ions on CA activity were investigated.

研究表明西南岩溶地区几种植物叶片中含有明显活性的碳酸酐酶(carbonic anhydrase， CA)，从黄荆叶片提取碳酸酐酶，该酶具有良好的热稳定性。

Carbonic anhydrase of Vitex negundo in the karst area showed good stability to heatand good adaptability to intimidation of metal with high concentration such as Mg2+、Ca2+、Zn2+、Mn2+、Cu2+ and Co2+.

岩溶地区典型植物黄荆叶片提取的碳酸酐酶具有良好的热稳定性，并对岩溶环境中高浓度的Mg2+、Ca2+、Zn2+、Mn2+、Cu2+、Co2+等金属离子胁迫具有良好的适应性。2。

To these facts and the ecological characters of karst area,considering the difference of lithology as the dominant factor,the accountable factors were identified as the assessment indices respectively in carbonate rock areas and noncarbonate rock areas,and the possibly sensitivity degree and distribution law of water and soil loss were analyzed based GIS technology.

结果显示：桂西北河池市水土流失敏感区面积比例在99%以上，其中碳酸盐岩区域水土流失敏感性明显高于非碳酸盐岩区域；从全市来看，水土流失敏感程度较高，其中高度敏感和极度敏感面积比例分别达到了31%和237%；水土流失重要敏感区主要分布于河池市南部的都安大化和中北部岩溶山原区，这些地区应加强生态环境防护措施。

Considering the bud of Platycarya longipesas basic unit of modular population,the bud population structure of sample trees, which were 8-12 years old and located at different places on slope in karst area in the middle of Guizhou province, was studied.

以圆果化香植株的芽为基本构件单元，对贵州中部喀斯特山地不同坡位上8-12年生植株的芽种群结构进行研究，结果表明：圆果化香芽种群芽总量分配随枝级发生变化，芽数量最多的枝级为树冠中间部位的二级或三级枝，树冠表层的末生枝和紧靠树干的一级枝芽数量较少。

The gold deposit types are com plicated,can be divided into five types;hydrothermal breccia gold deposit,similar beded disseminated gold deposit in limestone,old karst cave gold deposit,porphyry gold deposit and skarn gold deposit.The form of these gold deposits are related to Tongshi subvoleanie complex.

该区金矿形戚与铜石次火山杂岩体有关，区内金矿类型复杂，可划分为隐爆角砾岩带型金矿、似层状畏染状灰岩中金矿、古溶洞型金矿、斑岩型金矿、矽卡岩型金矿等5种矿化类型。

Limestone and dolomite cover about 130 km2 which takes up about 1/7 areas of the national land in China. Besides, it is pluviose, muggy and damp in there areas, all of these accelerate the karst caves.

中国石灰岩和白云岩的出露面积约为130km2，约占全国总面积的1／7，加之雨量充沛，气候温热潮湿，喀斯特较为发育，地下洞穴孔道，计有数十万个之多，成为世界上的洞穴王国。

A new fern species, Polystichum puteicola (sect. Haplopolystichum, Dryopteridaceae), is described from a karst sinkhole in northwestern Guizhou, China.

本文描述了在中国贵州西北部一喀斯特天坑中发现的耳蕨属半开羽耳蕨组Polystichumsect。

Therefore,the aim of research fragibility of ecosystem in the karst region has important practic...

本文通过分析各生态因子对岩溶生态的作用来研究其脆弱性。

The military prosperous karst takes the Chongqing first worldinheritance, not only lets us from the world angle reknow own preciousresources, request us to protect and to manage this precious resourcesaccording to the world standard.

武隆喀斯特作为重庆市第一个世界遗产，不仅让我们从世界的角度重新认识自己的宝贵资源，更要求我们按照世界的标准保护和管理好这宝贵的资源。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。