查询词典 irrigation engineer

Effects of drip irrigation and furrow irrigation on the utilization of urea-N in greenhouse tomato were studied by using~(15)N isotope technique.

用15N示踪技术研究了沟灌和滴灌对温室番茄栽培尿素氮的利用及其在土壤中残留的影响。

The drip irrigation system saved substantial amounts of water in comparision with furrow irrigation and produced the same high yields.

与沟灌施肥方式相比，滴灌具有明显的节水作用，但受土壤肥力的影响，滴灌施肥并未产生明显的增产效应。

Drip irrigation only needs 75 % water of furrow irrigation, but with production increased by 36.8%.

试验研究表明番茄膜下滴灌比沟灌节水，增产省工，膜下滴灌仅为沟灌用水量的75％，增产36.8％。

There was no significant difference between furrow irrigation and drip irrigation in soil Nmin residues at harvest.

春茬番茄养分吸收主要集中在整个生育期的中后期，而秋荐番茄主要是在整个生育期的前中期。

Irrigation water was wasted, the utilization of N fertilizer and tomato production were decreased under furrow irrigation treatment.

而沟灌灌溉不但浪费水源，同时降低氮肥利用率，进而影响着番茄产量的提高。

Therefore, IPARM method has higher reliability to estimate the soil infiltration parameters in furrow irrigation for the simulation and management of furrow irrigation.

用IPARM方法估算土壤入渗参数在沟灌模拟和管理中具有较高的可靠性。

The results showed that fertilizer utilization efficiency of~(15)N were 11.5% for drip irrigation and 7.4% for furrow irrigation treatments.

结果表明，滴灌处理番茄对15N肥料利用率是11.5%，沟灌处理15N肥料利用率是7.4%。

Through application, bubble irrigation fruit tree saved water by 50%~70%, production yield rose by 6%~10%, compared with furrow irrigation.

经过试用，涌泉灌溉果树一般较传统的地面灌节水50%~70%，增产6%~10%，灌水均匀度在90%以上。

This study mainly focused on the water resource and environmental crisis, which are all caused by agricultural irrigation in Inner Mongolia irrigation area. Based on the balance of total water quantity between ground water, underground water and soil water, a study was made on the water quantity varieties in the headraces and offtakes, and the affection of the water cycle under the human activities was quantitively caculated.

针对引黄灌区所面临的水资源问题及灌溉引起的环境问题，以内蒙古河套灌区为研究对象，从灌溉引水、用水、排水之间的转化关系为切入点，以地表水、土壤水和地下水之间的水量平衡理论为基础，定量研究河套灌区在人类影响条件下的水循环特征。

The optimized and restructuring course content included foundation theory of irrigation and drainage, irrigation engineering and drainage engineering.

优化和重构后的教学内容主要由灌排基础、灌溉工程和排水工程三部分组成。

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。