1.
The other remaining problem is that the refrigeration technology needed to keep the superconducting cable supplied with liquid nitrogen is not really ready for commercial use.
另一个尚未解决的问题是：通过液氮保持电缆超导性的冷却技术还不适用于商业用途。
2.
The Atractylone in sample solution was kept stable in nitrogen.
样品溶液中的苍术酮经充氮气后保持稳定。
3.
The nitride on oxide layers remains intact.
氧化物表层上面的氮化物保持原状不动。
4.
The nitrogen contents can keep on a high level if the processing time is controlled in less than 60mins.
处理时间在60分钟内，纤维含氮量能保持较高的水平；
5.
Effects of Controlling the Loss of Nitrogen and Phosphorus on the Orchard with Different Measures;
果园不同水土保持措施控制氮磷流失效果的研究
6.
Crop rotation plus fertilizer application produces the highest crop yields and maintains the highest soil N and organic matter levels.
作物轮作加施肥产生最高作物产量，并保持最高土壤氮和有机质水平。
7.
Gas-filled shock absorber injected with pure N2, which not only keeps stability of damping force, but also reduce aerification and foaming, meanwhile, extend the effective life.
气压式内充入纯氮气，不仅可保持阻尼的稳定性，还可减少油液汽化及泡沫化，延长产品有效寿命。
8.
Study on the Nitrogen and Phosphorus Deposition Regulation in Sediment and Protecting Strategy of Water Quality in Recycle Wastewater Landscape River in Tianjin Economical and Technology Development Area (TEDA);
天津泰达再生水景观河道氮磷营养盐沉积规律及水体水质保持策略研究
9.
The Effects of Conservation Tillage Treatments on Soil Microbial Biomass Carbon and Nitrogen after Three Years of Maize-wheat-soybean Rotation in the Loess Plateau;
水土保持耕作对黄土高原玉米—小麦—大豆轮作系统土壤微生物量碳、氮的影响
10.
retention of subject matter
教材的保持 教材的保持
11.
method of retained members
保持人数法 保持员数法
12.
Nitrogen protection: Apply nitrogen to detect the oxygen amount contained in the machine online ensuring the safe operation.
氮气保护系统：采用氮气保护以保证机器在安全的环境下运行。
13.
Content of nitrogen and property of deposited metal of self-shielded fluxed-cored wires
氮强化自保护药芯焊丝氮含量及性能分析
14.
adopt/keep/maintain a low profile
采取[保持/维持]低姿态
15.
under the aegis of...
在...的保护[支持]下
16.
But, please keep quiet.
但是，请保持安静。
17.
Wash often. Keep clean.
常清洗、保持清洁。
18.
&Keep trailing blanks
行尾保持空白(&K)