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- It was also found that the nitrogen and phospho... 与主要作物相比,水葫芦对氮与磷素营养的吸收能力较强。
- The key pollution indicators are ammonia nitrogen and BOD. 主要污染指标是氨氮和生化需氧量。
- Pure nickel. Welding and surfacing of nickel and nickel to steel. 纯镍,用于镍、镍与钢的焊接与堆焊。
- All fuel, if not burnt up yet, will fuse to iron and nickel. 所有尚未使用的燃料会迅速核聚变成铁或镍。
- This layer is rich in dissolved nitrogen and nitrides. 它能有效的分解氮和氮化物。
- The series of cobalt and nickel catalysts are on the same level. 钴系与镍系催化剂的效果相当 ;
- Synergistic Effect of Eu~(3+)and Si~(4+)Co doping on Photocatalytic Activity of Titanium Dioxide? Eu~(3+)、Si~(4+)共掺杂TiO_2光催化剂的协同效应
- Most coins are made of an alloy of copper and nickel. 大多数硬币是由铜和镍的合金制成的。
- Stainless steel cutlery is a mix of steel, chromium and nickel. 不锈钢刀具包括钢、铬和镍。
- A good general-purpose gas has about 97% nitrogen and 3% hydrogen. 一种较好的通用气体含大约97%25的氮气和3%25的氢气。
- Optimal doping amounts for Si4+and Eu3+are =39.06%and wEu=0.03%respectively, and the co doping of them shows a synergistic effect for photocatalytic activity of titanium dioxide. Eu3+和Si4+的最佳掺入量分别为wEu=0.;03%25、wSiO2=39
- Nitrogen and nickel co-doping 氮/镍共掺杂
- Combustion at high temperature causes decomposition to nitrogen and water. 氨在高温下燃烧分解成为氮和水。
- Glutamine Supplemented Nutrition Support: Saving Nitrogen and Saving Money? 谷氨酰胺强化的营养支持:是否省氮并节省费用?
- A Research on the Nitrogen and Phosphorus Requirement of Thalassiosira sp. 对氮磷需求量的研究。
- Higher CO 2 concentr ati on increased use efficiencies of N and P (NUE and PUE), but did not affect relat ive nitrogen and phosphorus accumulation rates (RNAR and RPAR). CO2 浓度升高 ,氮磷利用效率 (NUE和PUE)提高 ,而对相对氮磷累积速率 (RNAR和RPAR)影响不大。
- C (73 K), which is sufficient to liquefy air (oxygen, nitrogen and argon). C(73金),这是足够的液化空气(氧气,氮气和氩气)。
- You can use dimes and nickels too. 您也可以用10分硬币和5分硬币打电话。
- High nitrogen austenitic stainless steel (HNS) is a type of economy stainless steel with nitrogen and manganese partly or completely replacing nickel to obtain the austenite. 高氮奥氏体不锈钢(亦称高氮钢)是一种资源节约型不锈钢,主要利用氮、锰元素来部分或全部代替合金元素镍以获得奥氏体组织。
- Brazing of copper and nickel under vacuum or reducing protective atmosphere. 铜和镍的真空或还原保护气氛钎焊。