Soil permeability is an important index of evaluating water source conservation function.
土壤入渗性能是评价土壤水源涵养功能的重要指标。
Soil and water conservation function of forest vegetation hasbeen explained through analytical effects of vegetation different layers on rainfall effect.
分析了森林植被不同层次对降水影响所引起的径流量、径流能量和径流的挟沙能力及其减小的效应。
Thus the key problem is how to meet varied economic objectives besides its fuel application of fuel forest on the basis of holding its soil conservation function.
因此,薪炭林在发挥水土保持功能的基础上,如何达到兼有薪用的多种经济目的是关键。
Under the similar site condition, the secondary forest and the mixed plantations had greater water conservation function and better maintenance of soil fertility than the pure stands did.
在相同的立地条件下,天然次生林和混交林具有更好的维持地力作用和更高的水源涵养功能。
The system can insure the conversion between the Serial Communication and network interface, and finite samples multi-channel parallel collection, and real-time display and data conservation function.
该系统实现串口通信与网络接口的转化,有限点多通道并行采集,实时显示及数据保存功能。
The function of forest floor on water conservation, nutrient supply, promoting biological respiratory intensity and soil development are discussed.
探讨了森林地层在水土保持、养分供应、促进生物呼吸强度和土壤发育等方面的作用。
Moreover, the conservation of some "junk" DNA over many millions of years of evolution may imply an essential function.
而且,某些保持了上千万年进化的“垃圾”DNA也意味着一个基本的功能。
The thermal protection mechanism of three layer for coating material under heating process was discussed, the conservation equations which reflects difference function was established.
本文讨论了涂层材料在加热过程中出现的三层结构的吸热机理,建立不同层反映不同功能的守恒方程。
We study the pointwise estimates of solutions for the conservation law with relaxation by Green's function.
考虑带松弛项的守恒律方程,用格林函数的方法得到了其整体解的逐点估计。
A droplet size and velocity distribution function was theoretically derived based on the maximum entropy principle and the momentum conservation law.
应用最大熵原理和动量守恒定律,从理论上建立了喷雾液滴尺寸和速度联合分布函数。
By using the special test function, we discuss the establishing of conservation law of the first boundary value problem of infiltration.
运用取特殊检验函数的方法,建立了渗流方程第一边值问题解的守恒律。
The geometric law of energy conservation is utilized in designing diffraction optical component and evaluating the phase function of diffraction optical component with Gauss beams input.
为了获取长距离超细激光束,采用几何能量守恒法设计出一种衍射光学元件,推导出高斯光入射时衍射光学元件位相函数。
But the big function of soil and water conservation and the improvement of soil texture and seedling nursing have not been studied systematically.
但对它强大的水土保育功能(抑制水土流失、改善土壤质地),以及与水土保育相关联的幼苗保育功能等方面研究较少。
Molecular ecology is a new active subject, which is displaying potential function in solving the issues of wildlife conservation.
分子生态学是一门具有活力的新兴学科,在解决野生动物的保护中潜力巨大。
The paper introduces the development trend of water conservation enterprises is certainly along green water conservation, the superiority and function of which in environment construction.
本文就水土保持行业在生态环境建设中的优势和作用,阐述了水保绿化企业化的必然发展趋势。
Suya Lake is the largest wetland conservation area in Henan province. It has a rich biological resource, and significant environmental function and benefit.
宿鸭湖湿地是河南省最大的湿地自然保护区,拥有丰富的生物资源,具有巨大的环境功能和效益。
To tide over the conservation, a damping-reflected energy function was derived.
导出了一种能反映系统阻尼效应的能量函数。
The system's function of energy conservation is certificated with quantitative classification in the experiment.
通过实验,定量分析变频风冷制冷系统的节能作用。
Boundary and assessment for major engineering with the function of soil and water conservation can reflect the basic idea of "prevention in the first place and integrating prevention with control".
对主体工程具有水土保持功能的工程的界定和评价,可以体现“预防为主,防治结合”的基本理念。
This paper introduces new a kind of type structure of energy conservation reheating furnace, analyses the function characteristic.
介绍了一种新型节能加热炉的结构形式,并对其性能特点进行了分析。
Oriental oak plantation also has better function of water conservation, total water-holding content of stand reaches to 10% higher than that of Chinese fir plantation.
栓皮栎人工林还具有良好的水源涵养功能,林分总持水量比杉木人工林高10%。
The oak tree has the supper strong function of water and fertilizer conservation.
柞树又具有超强的保水保肥功能。
Finally, the function of forest floor on wate conservation, nutrient supply, promoting biological respiratory intensity and soil development are discussed.
并探讨了森林枯枝落叶层在森林土壤生态系统中对水源涵养、养分供应、促进生物活动强度和土壤发育等方面的功能。
Function and value analysis of water conservation, soil reinforcement and fertility maintenance of urban forest in Guangzhou.
广州城市森林涵养水源、固土保肥的功能及价值分析。
Function and value analysis of water conservation, soil reinforcement and fertility maintenance of urban forest in Guangzhou.
广州城市森林涵养水源、固土保肥的功能及价值分析。
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