查询词典 water conservation

Therefore, the research in relate to the function of water supply conservation and nutrients return of litter layer of subalpine coniferous forests has become the important issues and...

有关亚高山针叶林枯枝落叶层的水源涵养和养分归还研究已成为该区域亚高山针叶林生态功能研究的重要问题和热点，对植被恢复与重建具有十分重要的指导作用。

Air source heat pump water heater is energy-conservation and environmental protection. the optimum design method of thermal capacity was analyzed.

摘要空气源热泵热水器具有节能、环保的特点，本文分析了其名义制热量优化设计的选择方法，并以实例加以说明。

By use of the time split method, a conservation difference formula is established to find the solution to the shallow water equation based on the finite volume control method from integral equations.

作者中文名：李光炽；王船海；周晶晏摘要：采用二分步法，从积分型方程出发，在有限控制体上建立守恒型差分格式，对二维浅水波方程进行求解。

As important forage crops, legumes of the genus Chamaecrista play an important role on soil improvement, water and soil conservation, etc.

摘要决明属牧草既是重要的饲料作物，又在土壤改良、水土保持等多方面发挥着积极作用。

From of old Ma Lan by our country working people wide to cultivate, in Confucius " domestic language ", of Qu Yuan " from coquettish ", of Li Shizhen " detailed outline of a book on Chinese medicine " the account that there are pair of Ma Lan in waiting, as admirable water and soil conservation, depasture, view and admire and officinal plant occupies position in the history and nature.

自古以来马兰就被我国劳动人民广为种植，在孔子的《家语》。屈原的《离骚》。李时珍的《本草纲目》等中都有对马兰的记载，作为优良的水土保持。放牧。观赏和药用植物在历史和自然中都占有一席之地。

The order of importance for water and soil conservation effects in different treatments was Eragrostis curvula, Kummerowia atriata, Ixeris denticulata, with the most significantly positive correlation between each runoff and soil loss.

在各生态指标中，各生态系统中变化较为剧烈的为光照条件，其次为上壤温度，而土壤含水量和储水量与降雨量、d径流量、植物篱笆本身生长进程等有关，变化规律性较强。

Water holding capacity of litter layer was stronger than that of moss,indicating that forest litter layer played a much more important role in headwater conservation.

枯枝落叶层持水性能优于苔藓，说明枯枝落叶层在森林的水源涵养方面发挥了更为重要的作用。

The institute takes loessial plateau as key research,take on research on water and soil conservation in semiarid and simewet area,and solve some important technology problems in entiron building.

中国科学院、水利部水土保持研究所成立于1956年2月，是中国科学院在西北地区建立的第一个研究机构。

Melinis minutiflora was suitable for water and soil conservation. A field study on its photosynthetic characteristics was carried out by using LI-6400 portable photosynthesis system in May.

糖蜜草为禾本科软草，足复垦和水土保持的良好植物。5月份选取晴天用LI-6400便携式光合仪测定糖蜜草的光合特性。

Marine biogeographer John Guinotte of the Marine Conservation Biology Institute in Bellevue 贝尔维尤, Washington, notes that nonmobile organisms such as cold-water corals could also be at risk if dissolved oxygen levels continue to decline. Such creatures don't have the luxury of being able to swim away from increasingly inhospitable conditions.

& 华盛顿州贝尔维尤市海洋生物保护学会的生物地理学家约翰·吉诺特指出：如果溶解氧的水平继续下降，非移动生物体，如：冷水珊瑚，也会处于危险之中，这样的生物&不具备通过游泳而逃离的奢华本领，无法逃脱越来越不适合生存的恶劣环境。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。