nitrogen的例句大全

Study was made on the effect of the various kinds of grinding media ( steel jar and porcelain ball or iron jar and iron ball) on the flotation of pyrrhotite grinded in a nitrogen environment.

研究了氮气磨矿环境下不同的磨矿介质（钢罐瓷球、铁罐铁球）对磁黄铁矿浮选的影响。

Studies on the Effects of Interactions of Water and Nitrogen Treatments on Light, Water Efficiency and Yield of Rain-fed Winter Wheat

水肥互作对中肥旱地小麦光能、水分利用效率及产量效应的研究

Study on the Combined Effects of Simulated Rainfalls and Nitrogen Treatments on the Yield and Soil Moisture Dynamic change of Rain-fed Winter Wheat

旱地小麦降水年型与氮素供应对产量的互作效应与土壤水分动态的研究

Everybody concerned how to decrease the nitrate nitrogen content in vegetable increasingly.

如何降低蔬菜中的硝态氮含量受到人们日益广泛的关注.

Urine is a complete manure with fast function rich in nitrogen content.

尿液是一种快速作用的、富含氮的完全肥料.

Specific leaf weight and nitrogen content had positive relation to the net assimilation rate.

比叶重和含氮量与净同化速率间存在正相关.

Application of Photoelectric Technology in Detection of Nitrogen Oxides in Air

光电技术在大气氮氧化物检测中的应用

Distribution of inorganic nitrogen and its relationship to environmental factors in Beihai Bay

北海湾无机氮的分布及其与环境因子的关系

The measurement of the total emissivity of a solid surface in the black cavity which is immersed in liquid nitrogen and under high vacuum ( 10-6 torr) by steady caloric method is described.

本文提出了一个真空度为10~（-6）毫米汞柱，黑体腔四周浸泡在液氮中的固体的表面热辐射率的测定方法。

After preserved at liquid nitrogen, the viability of small sheet of guinea pig and cadaver skin were assessed by oxygen consumption and SDH.

利用三个实验组分别对小块离体豚鼠皮和异体尸体皮进行处理，然后在液氮温度下进行深低温储存。

Removal of nitrogen and phosphorus by free water surface constructed wetland planted with Typha latifolia

宽叶香蒲表面流人工湿地脱氮除磷效果研究

The sequencing for nitrogen use efficiency of three type rapeseeds followed to the order: Brassica rapa Brassica juncea Brassica napus.

三类油菜的氮效率排序为：白菜型油菜芥菜型油菜甘蓝型油菜。

The results indicated that when using combined fertilizer of nitrogen, phosphorus and 30~ 120 kg/ hm2 potash, Brassica rapa yield increased by 11.4%~ 27.5%, compared with no potash fertilizer treatment.

结果表明：在配施氮、磷肥基础上，增施钾肥30～120kg/hm2，油菜产量较不施钾肥的对照增加11.4%～27.5%；

An Outlook of the Complementary Nitrogen Nutrition in the Legume// Graminaceae System

豆科//禾本科间作系统中氮营养研究进展

Internationally, research effort has been focused on biological nitrogen fixation in legume/ graminaceae system due to environmental problems and energy crisis causing by irrational fertilizer N use.

近年来，在不合理施用氮肥所带来的环境问题和过度依赖石化能源所产生的能源危机双重压力下，国际上对豆科在间作农业和混作牧草中的固氮作用研究十分重视。

Effect of sugar and nitrogen on the callus growth and anthocyanin accumulation in celosia cristata;

本试验研究了不同基本培养基对凤尾鸡冠花愈伤组织生长及花青素积累的影响。