查询词典 infertile soil

By comparison recoveries of several sequential extraction procedures and selectivity of extractants for thorium in soil and scoria, Martínez-Aguirre's sequential extraction method was adopted for quantitative analysis of thorium fractions, then the optimization and evaluation of the sequential extraction method were performed.

分别采用Tessier、BCR和Martínez-Aguirre形态萃取方法对土壤和样品中钍的形态进行分析，通过对总量的回收率和萃取剂选择性比较，选择了Martínez-Aguirre连续萃取法定量样品中钍的形态，并对其进行了优化和评价。

Much scoria, waste water and powder contained thorium were produced in the processes of floatation and smelting of these minerals with abundant radiothorium in rare earth industries of Baotou, China, and thorium contaminations to soil and food chain are becoming an increasing incritically environmental concern in Baotou area.

我国包头稀土工业在稀土矿浮选和稀土精矿湿法冶炼过程中产生了大量含放射性钍的废渣、废水和粉尘，对当地生态环境造成严重的破坏和放射性污染。

If the top has soil marks, stains or bird droppings, use a small, stiff, natural fibre scrubbing brush.

如果顶部有泥土斑点，污点或鸟类粪便的话，用小张的硬的自然纤维的毛刷刮掉。

British a tract of level wasteland; uncultivated land with sandy soil and scrubby vegetation.

在英国，指一大片平坦的荒野；未开垦的覆盖有草本植物和低矮灌木丛的沙地。

In FS scrubland, the characteristics such as : SOM, EC, TN, CaCO3 content were higher than ND as well as soil respiation.

土壤中CaCO3含量的空间变化对土壤呼吸值的时空变化有一定的影响。

Soil was found to be a slight carbon sink during recovery processes in the agro -pastoral area of the northern Loess Plateau with SOCD, being （2.11 kgCm-2） in scrubland 〉（1.95 kgCm-2） in secondary m-2 ） in artificial grassland 〉（ 1.69 kgCm-2 ） in abandoned farmland and 〉（1.68 kgCm-2） in farmland.

以黄土高原北部水蚀风蚀交错带地区不同生长年限的紫花苜蓿人工草地及其退化后形成的次生草地为主要研究对象，探讨了SOCD的动态变化特征。

Then will the earth tremble, and the sea bear no ships; heaven will not support the stars in their orbits, all voices of the Gods will be forced into silence; the fruits of the Earth will rot; the soil will turn barren, and the very air will sicken with sullen stagnation; all things will be disordered and awry, all good will disappear.

然后大地会颤动，海洋不能负载船只；天空不能支持星星自身的轨道，所有众神的声音会被迫进入寂静，大地的果实会腐烂；土壤会变成荒地，每处空气都有沉沉不乐的停滞而使得恶心，所有事物都变得无序和歪曲，所有的美好都消失。

Hengshan Cuiwei South Hill branch, the main peak of 2426 meters above sea level mountain bread, as the central part of Datong Basin, flat, Sanggan River, Yellow River runs through the meantime, the channel over, irrigation convenient, low-lying areas but some of the more serious soil salinization.

南为恒山支脉翠微山，其主峰馒头山海拔2426米，中部为大同盆地的一部分，地势平坦，桑干河、黄水河贯穿其间，渠道密布，灌溉方便，但部分低洼区土壤盐碱化较严重。

When used in a geographical sense, it means all the territory of the People's Republic of China, in which the Chinese laws relating to taxation apply, including its territorial seas, and any area beyond its territorial seas, within which the People's Republic of China has sovereign rights of exploration for and exploitation of the resources on the sea-bed and its sub-soil and superjacent water resources in accordance with the international law

"中国"一语是指中华人民共和国；用于地理概念时，是指实施有关中国税收法律的所有中华人民共和国领土，包括领海，以及根据国际法，中华人民共和国拥有勘探和开发海底和底土资源以及海底以上水域资源的主权权利的领海以外的区域

When used in a geographical sense, means all the territory of the Peoples Republic of China, in which the Chinese laws relating to taxation apply, including its territorial sea, and any area beyond its territorial sea, within which the Peoples Republic of China has sovereign rights of exploration for and exploitation of resources of the sea-bed and its sub-soil and superjacent water resources in accordance with the international law

"中国"一语指中华人民共和国；用于地理概念时，是指实施有关中国税收法律的所有中华人民共和国领土，包括领海，以及根据国际法，中华人民共和国拥有勘探和开发海底和底土资源以及海底以上水域资源的主权权利的领海以外的区域

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48