Dry-hot valley; Planting patterns; Light; Heat and water utilization efficiency;
干热河谷;农业种植模式;光、热、水利用效率;
The interaction between SAP and nitrogen fertilizer had effect on the physiological properties of maize in seeding stage, nutrient absorption and water utilization efficiency.
保水剂与氮肥交互作用对玉米苗期生理特性、养分吸收及水分利用效率有一定的影响。
Through fixed field experiment and determinations of soil moisture, the field water utilization efficiency of wheat and rape seeds was discussed under no tillage and straw mulching.
通过田间定位试验和土壤水分的测定,探讨了免耕和秸秆覆盖还田对小麦、油菜土壤水分利用效率的影响。
In China today, the utilization efficiency of farming water is about 30-40 percent.
在今天的中国,农业用水的利用效率约为30%-40%。
Water is the main factor influencing crop yield in dryland areas, and the efficient way to increase crop yield is to improve utilization efficiency of precipitation.
水分是限制旱地作物产量最主要的因素,提高自然降水利用效率是增加旱地作物产量的有效途径。
It is thus evident that the genetic models of nitrogen concentrations and nitrogen utilization efficiency of wheat in different water and nitrogen environments were different.
可见,小麦氮素含量和氮素利用效率的遗传模型在不同的水氮环境中不完全一样。
Circulating utilization of industrial water will save water and improve economic efficiency.
工业水的循环利用可以节约用水,并且提高经济效益。
On the basis of brief introduction of the water resource status in Shaanxi Province, this paper analyzed the utilization structure and efficiency of water resource, and their dynamical features.
本文在简要介绍陕西省水资源概况的基础上,对陕西省水资源利用结构及其动态特征、用水效率及其动态变化进行了初步分析。
Fully raising rainfall use efficiency of farm-land is the basis of high efficient utilization to limited water in dry-land farming.
充分提高农田降水利用效率是旱地农业中有限水高效利用的基础。
There is obvious inverse correlation between water resources endowment and its utilization efficiency.
从评价中还发现,水资源禀赋同水资源利用效率呈现一定的反相关关系。
Optimizing the water resources allocation and raising the efficiency of water resources utilization are the efficient methods for strengthening the bearing capacity of water resources.
提高水资源合理配置程度和提高水资源利用效率都是增强水资源承载力的有效方法。
The result shows that the treated water is satisfactory with the water utilization requirement of fully mechanized coal mining equipment, ensures it's normal, high efficiency and safety production.
运行结果表明:矿井水经该工艺处理后,可以满足井下综采设备用水的水质要求,达到其正常、高效、安全生产的目的。
In addition, high efficiency utilization of water resources of Nandujiang River Estuary was studied from the aspect of engineering measures and water distribution and management.
另外,本文从工程措施、用水分配管理等方面对南渡江河口水资源的高效利用进行了研究。
Cooling-water flow and heat transfer directly influences the cooling efficiency of diesel engine, thermal load of high temperature components, heat distribution of engine and energy utilization.
冷却水的流动与传热直接影响柴油机的冷却效率、高温零件的热负荷、整机的热量分配和能量利用。
The key problem needed to be solved in water saving agriculture is to increase the utilization efficiency of rainfall and irrigation.
提高自然降水和灌溉水利用效率是节水农业要解决的中心问题。
Drip irrigation is the most water-saving irrigation technology with high efficiency. However, its expensive system cost seriously restricts extension and utilization of the technology.
滴灌是目前世界上最为节水的高效灌溉技术,但其昂贵的系统成本严重制约着该技术的推广应用。
The input-output analysis is a major method for analyzing the efficiency and benefit of the utilization of water resources.
投入产出分析方法是分析水资源使用效率和使用效益的重要方法。
The efficiency of the utilization of energy and water reached a new level after realizing these measures; total energy consumption was reduced significantly and the economic benefit was obvious.
该企业采用这些措施后,优化了公司的整体用能水平,提高了能源和水资源的利用效率,大幅度降低了综合能耗,经济效益显著。
Result shown: the wheat straw mulching is best way for water saving, but the saving efficiency is related directly with the method of straw utilization in the paddy field.
结果表明:不同覆盖物中,麦秸的节水效果最好,但还田方式与节水效果直接相关。
The defects of a water cooling tower are avoided, and the goals of full utilization of energy sources, high efficiency, energy saving, environment protection and practicability are realized.
取缔了水冷却塔的不足,做到了能源充分利用,高效节能环保、实用的目的。
The invention integrates ground heating, air-conditioning and producing hot water with high energy utilization rate and improves heat changing efficiency.
本发明集地暖、空调、制取热水于一体,能源利用率高,提高换热效率。
The invention integrates ground heating, air-conditioning and producing hot water with high energy utilization rate and improves heat changing efficiency.
本发明集地暖、空调、制取热水于一体,能源利用率高,提高换热效率。
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