查询词典 irrigation engineering

The authors discuss the necessity and feasibility of implementing controlled drainage in Yinnan irrigation district based on present situation and put forward methods and steps about how to implement controlled drainage in Yinnan irrigation district.

根据宁夏银南灌区目前灌溉排水的现状，论证在该灌区实施控制排水的必要性和可行性，并且提出了在银南灌区如何实施控制排水的方法和步骤。

Self-financing Irrigation and Drainage District, the so-called SIDD, is a kind of alternative irrigation pattern introduced from foreign countries in the 1990s.

但随着市场经济的发展，传统的灌区管理与远行体制已不能适应水利事业和农村经济发展的要求，迫切需要一种最有效的管理方式。

Stalinization of soil is serious because of the Plain district irrigation drainage system is not complete, in addition backwards of irrigation methods and coarse-grained management methods.

平原灌区排水系统不完善，加之灌溉方法落后，管理粗放，土壤盐渍化比较严重。

PE-drip with vacuum forming mold is the round-based companys Danyi maze-injection molding machine with drip irrigation research and development of complementary products, used in the production of Danyi-maze with drip irrigation.

PE 型滴灌带真空成形轮模具是专为本公司生产的单翼迷宫式滴灌带注塑机研究开发的配套产品，用于生产单翼迷宫式滴灌带。

Company's products are: Rubber blend of water seepage, drip irrigation pipe, complete specifications of PE, PP, PVC Pipe and matching the types of micro-irrigation pipe and products.

公司的产品主要有：橡塑共混渗水管，滴灌管材，规格齐全的PE、PP、PVC系列管材以及配套的各类管件和微灌产品。

The saving-water effect of Radish and Cabbage under PFM and appropriate irrigation,and the drought-resisting of radish seedling which seed was soaked by CaCl_2 were systematicly reseached by field observation and the experiment in door.The main results were summaried as follows:The soil temperature of 0~20cm cultivated layer was increased 3-4.5℃ in early growth period was only 1℃ in late growth period by PFM;there was more water saved up to 20.84mm in 0~60cm soil layer by PFM than no PFM in the early growth period of Radish;the yield and water use efficiency of Radish in L4 were exceeded respectively 10.1% and 21.9% of that contrast, the yield and water use efficiency of Cabbage in G4 were exceeded respectively 8.7% and 26.58% of that contrast, under PFM and appropriate irrigation.

主要研究结果如下：地膜覆盖在植株生长前期耕作层平均可增温3～4.5℃，在生长后期增温幅度减小，仅有1℃左右；地膜覆盖在植株生长前期可有效的保持土壤水分，在萝卜生长前期，使0～60cm土层内多储水20.84mm；在覆膜不灌水充分利用自然降雨的条件下生产萝卜，可比裸地正常灌水萝卜增产10.1%，水分利用效率提高21.9%；覆膜只浇一水生产甘蓝，可比裸地正常灌水生产甘蓝增产8.7%，水分利用效率提高26.58%。

The invention of the Karez, which is an irrigation system of wells connected by underground channels, in Xinjiang provided useful experience for irrigation in the northwest region of our country and has been extended to other drought-stricken areas.

坎儿井，新疆的一个由地下通道连接井灌溉系统的发明，为我国西北地区灌溉提供了宝贵的经验，并已扩展至其他旱区。

Principles outlined for furrow irrigation apply to related methods of irrigation.

简述的沟灌原理也适用于相近的灌水方法。

The separate furrow irrigation is a new way of economizing irrigation,which has been investigated and popularized,but there is no report in southern Ningxia hill region.

隔沟灌溉技术是一项新型的节水灌溉技术，在国内外都已进行了较长时间的研究和推广，但在宁南山区尚没有推广应用的报道。

To improve the precision of soil infiltration parameters estimation in furrow irrigation and narrow the simulation error of furrow irrigation.

为提高沟灌土壤入渗参数的估算精度，缩小沟灌模拟误差。

A historical region of southwest France between the Pyrenees and the Garonne River. The duchy of Aquitaine was joined with France after the marriage of Eleanor of Aquitaine to King Louis VII in1137, but its possession was disputed after her subsequent marriage to Henry II of England.

阿基坦法国西南部一个历史地区，位于比利牛斯山和加隆河之间，在1137年阿基坦的埃莉诺与国王路易斯七世结婚之后阿基坦公国加入法国，但当她再嫁英国亨利二世后，其归属权便受到争议

There are moments when I look at the smiling , happy faces of my expectant staff and wonder how they will cope when confronted by an outraged housemaster along with an unrepentant and recalcitrant bleached blond teenager in 18 years ' time .

有时候，我看着那些满怀期待的员工微笑，幸福的脸，想着当他们遇到一位愤怒的宿舍管理员和一位不知悔改，叛逆，而且将头发染成白色的18岁少年时，他们会如何处理。