您要查找的是不是:
- pure nitrogen fertilizer 纯氮肥
- What is the cost of using nitrogen fertilizer on a rice crop? 水稻使用氮肥的成本是什么?
- Should nitrogen fertilizer be applied after injected swine manure? 如何树立种猪引入的科学理念?
- Pure nitrogen or argon is bubbled through the solution until all color is gone. 向溶液中鼓入纯氮气或氩气,直到溶液没有了颜色时为止。
- Utilization efficiency of nitrogen fertilizer and Kalium were enhanced. 促进番茄对氮和钾的吸收。
- Alloy steel was plasma nitirded under the atmosphere of pure nitrogen using active screen plasma nitriding(ASPN)at high voltage and low pressure. 采用高电压、低气压的离子渗氮工艺,利用活性屏离子渗氮(ASPN)技术对合金钢在纯氮气氛下进行离子渗氮处理。
- Anhua County Nitrogenous Fertilizer Fact. 安化县氮肥厂。
- The best combination is base manure proportion and the times of after manure 2/5 +5times + 521 lhole/667m2 + pure nitrogen 15kg/667 m2 + pure potassium 12kg/ 667m2. 最优组合是基肥比例及追肥次数2/5+5次+5211 株/667 m2+纯氮15kg/667 m2+纯钾12kg/667 m2。
- Mechanisms of Nitrogen Fertilizer Suppressing Atmospheric Methane Oxidation by Methanotrophs in Soils. 氮肥对土壤氧化大气甲烷影响的机制。
- Effect of nitrogen fertilizer on yield and nitrate content in Brassica oleracea L. Var. Capitata L. 氮肥对结球甘蓝产量与硝酸盐含量的影响。
- The effect of potassium increased with increasing yield and nitrogen fertilizer. 钾肥效应随着产量和施氮量提高而增大。
- The total phosphorus requirement is relative to the potential of soil phosphorus and nitrogen fertilizer application. 总磷需求量与土壤磷潜力和施用氮肥有关。
- Rice RVA profiles (PKV, HPV and CPV) decreased with Panicle nitrogen fertilizer rates. 各品种稻米的黏滞谱曲线随着氮肥的增加均呈整体下降趋势;
- The effects of coated controlled-release nitrogen fertilizer (CRNF) on corn yield increase are studied. 采用包膜控释氮肥在玉米上进行肥效试验研究。
- The influence of nitrogen on the equilibrium and nonequi-librium phase transformation temperature of gray cast iron was studied by DTA and SDC methods with Fe-C-Si and Fe-C-Si-Mn alloys as experimental materials added with pure nitrogen. 本文采用工业纯Fe-C-Si和Fe-C-Si-Mn合金作为实验材料,加入纯氮,用差热分析和微分热分析法研究了氮对灰铸铁平衡及非平衡相变温度的影响。
- The priming effect of nitrogen fertilizer on soil nitrogen was studied by using waterlogged incubation method. 摘要应用淹水培养方法,研究了铵态氮肥对土壤氮素的激发效应。
- The nitrogen purging system provided pure nitrogen with proper humidity for the sealed display case in order to maintain anoxia environments, and monitors were used to monitor the experiment. 密闭展柜内充满氮气,维持缺氧环境,同时放置调湿剂和除氧剂,调湿剂用于调节展柜相对湿度,除氧剂用来吸收展柜内氧气;
- The growth rate and moving biomass of Kentucky bluegrass turf were affected by the quantity of nitrogen fertilizer. 氮肥用量是提高草地早熟禾草坪生长速率和修剪量的主要因素。
- Introduced one kind of new technology of nitrogen purifies applies into the melt sourcing because of the high purchase cost of pure nitrogen, and will take inconvenience to the enterprises. 摘要外购高纯氮气,不仅价格高,而且有时还给生产造成不便,为此研究了一种氮气净化的新技术用于熔体精练。
- Effects of the amount of nitrogen fertilizer on the growth and yield in peanut[J].Pean.Sci.Tech.,2000,(2):14-18. N肥用量对花生生育及产量的影响[J].;花生科技;2000;(2):14-18