Some Ni/BaTiO3 catalysts containing rare earth promoters were prepared by impregnation.
采用浸渍法制备了含稀土助剂的Ni/BaTiO3催化剂,研究了不同含量的La对镍基催化剂催化活性的影响。
Fertilizers enhance the natural fertility of the soil or replace the chemical elements taken from the soil by previous crops.
肥料能提高土壤的肥力,或补充土壤中被以前作物吸收的化学元素。
Study on Runoff Sediment and Benefits of Supplement Irrigation in Watershed of Ninxia s Mountainous Areas;
宁夏南部山区小流域径流产沙分析及土壤补充灌溉效益研究
Higher yields obtained take up more nutrients which have to be replaced to sustain high yields even in soils with high natural fertility.
较高的产量需要更多的养分来补充，即使在自然肥力高的土壤上也是一样。
Their role in soil has not been defined adequately.
它们在土壤中的作用还未充分肯定。
Roses like a sunny position in a fertile soil.
玫瑰性喜肥沃的土壤和充足的阳光。
The last year's farm law deprives farmers of soil conservation payments
去年的农田法使农民失去了土壤保持补贴。
Temperature Compensation Method for TYZ-3 Intelligent Soil Nutrition Gauge;
TYZ-3智能型土壤养分测试仪温度补偿方法研究
Effect of Simulation Water Supplement Methods on Useless Evaporation of Soil Water
模拟补水方式对土壤水分无效蒸发的影响
Influence of the Different Soil Moisture Content on the Growth of Limonium Bicolor
不同土壤含水量对二色补血草生长状况的影响
The pathway of DDT degradation in soil has not been fully ascertained.
在土壤中滴滴涕降解的途径还没有充分调查。
Ground water is simply water that occupies the open spaces in the soil and rock.
地下水就是那些充填了土壤和岩石空隙中的水。
Experimental Research on the Characteristics of Moisture Infiltration into Soils under Non-sufficient Water Supply;
非充分供水土壤水分入渗特性的试验研究
Experimental Study on Soil Infiltration Model in Non-sufficient Water Supplied
非充分供水土壤水分入渗模型的试验研究
After several years of crop rotation, the land became infertile and needed to be supplemented with organic matter.
土地经过多年轮种变的贫瘠, 需要补充有机质。
Shoot growth and Zn uptake were significantly enhanced by Zn application.
在土壤表层水分充足时，施锌对植株增长效果较明显，有利于玉米利用土壤水分。
Something that completes, makes up a whole, or brings to perfection.
补充物补充物、补足、或使完美
Experimental Study on the Law of Nutrient Leaching and Accumulation in Soils under Supplying Groundwater Resources Through Floodwater Irrigation;
引洪补源条件下土壤中养分淋溶积累规律的试验研究
Soil Moisture and Photosynthetic Characteristics of Winter Wheat/Corn Intercropping under Limited Supplemental lrrigation in Dryland Area;
旱地限量补灌条件下冬小麦/玉米带田土壤水分与光合性能研究