To realize operation of combined network between nitrogen system and air system, a scheme of adding gas crossover lines is employed.
为实现供氮和供风系统的联网运行，采用了增设气体跨线的方案。
Circulated nitrogen system is designed to improve the wettability and fluidness of lead-free solder and to ensure that the solder joints are shiny and bright.
氮气循环使用，增加无铅焊料的侵润性和流动性，使锡点饱满光亮。
A mathematical model of liquid nitrogen system of a space environmental simulator is introduced and a quasi-stationary control method is developed in this paper.
大型空间环境模拟器的液氮系统庞大复杂，为满足确定控制方案、建立故障诊断模型、技术改造等的需要，建立液氮系统的数学模型是十分必要的。
It has been proved by test that the problem of large space simulator liquid nitrogen system starting has been solved successfully in simulator liquid nitrogen system.
通过初步调试证明，液氮系统能够很好地解决大型空间环境模拟设备液氮系统启动困难的问题。
This paper outlined the membrane separation technology and analyzed the application status of the technology in the propylene-nitrogen system of the polypropylene (pp) plant.
简要介绍了膜分离技术，并对膜分离技术应用于聚丙烯装置的丙烯-氮气系统的现状进行了分析。
If you put additional nitrogen into a water system, you change the type and quantity of life that water can support.
如果你在一个水系统中多放氮，那么你就会改变它的形态，并且导致靠水供给的生命数量有所改变。
“If you cut down more trees than you grow, you run out of trees,” writes Gilding.“If you put additional nitrogen into a water system, you change the type and quantity of life that water can support.
“如果你砍倒的树比你种的还多，你就会将树用光，”基尔丁写道，“如果你将额外的氮投放进一个水系，你就会改变那个水体所能维持生命的种类和数量。
The cause is unclear, but rising ocean levels and nitrogen dumped from the New York City sewer system are likely culprits.
造成这种现象的原因仍不明朗，但是海平面的日益增长和纽约下水道系统倾倒的氮化合物是可能的元凶。
Excessive nitrogen in the water system contributes to the "dead zone" found at the mouth of the Mississippi and other rivers.
水系中的过量氮是造成密西西比河与其他河流河口处“死亡区”的元凶。
He is also working to develop a system that would use the nitrogen removed from the water to produce energy.
他同样致力于研发一种废氮产能系统。
Our engineers created a system that removed oxygen from the surface where ink and substrate meet, replacing it with nitrogen, which allows the ink to cure more thoroughly and at faster speeds.
我们的工程师设计了一个系统，它可以将油墨和介质接触表面的氧气替换为氮气，这样就能以更快的速度使得固化过程更彻底。
But he says the study found that there is so much nitrogen in the river system that is simply can not filter all of it.
但他表示，这项研究发现，河流系统中的含氮量如此之高，根本无法被完全过滤掉。
The system based on the pledged average total nitrogen removal rate of 98.2%, obtained good short-cut nitration effect, the subnitration of each aerobic reaction was all above 95%.
系统在保证平均总氮去除率98.2%的基础上，获得了较好的短程硝化效果，各好氧反应段的亚硝化率均在95%以上。
Triton is so cold that most of its nitrogen is condensed as frost, making it the only satellite in the solar system known to have a surface made mainly of nitrogen ice.
海卫一温度极低(约为- 235摄氏度，一个大气压下- 210度左右氮气凝固——译者注)，以至其大部分的氮气都凝聚到了其表面形成霜，这使海卫一成为太阳系内唯一一颗以“氮冰”为主要地表成分的星球。
Purging of the gas systems with a dry, inert gas such as nitrogen or argon, is recommended prior to breaking any connection of the gas system.
在断开系统的任何连接之前，推荐用干燥惰性气体，如氮或氩来净化气体系统。
Nitrogen and phosphorus removal mechanism in subsurface wastewater infiltration system treating domestic wastewater was studied.
对地下渗滤系统处理生活污水的氮磷去除机理进行了研究。
It forecasts application prospect of the nitrogen pulse back blow dedusting system.
展望了氮气脉冲反吹清灰系统的应用前景。
By the method of material flow accounting, this paper studied the human activities-related nitrogen flow in the system of environment and anthroposphere in Huizhou region.
采用物流核算的方法研究了中国惠州地区与人类活动有关的氮流在环境系统和人类生产生活系统的状况。
Color changing nonel tube, nitrogen, oxygen and vacuum system were used to study influence of gaseous medium inside nonel tube on its detonation propagation reliability.
利用变色塑料导爆管、氮气、氧气和真空系统对管腔内介质影响导爆管传爆可靠性做了研究。
This paper gives you an example to analyze the reason on explosion of carbon deposit in nitrogen - hydrogen compressor system in mid - sized nitrogen plant.
以某厂实例分析了中型氮肥厂氮氢压缩机系统积碳爆炸的原因，提出了预防对策。
In these applications, it is very crucial to predict the flow boiling heat transfer coefficient of liquid nitrogen for the system design and safe operation.
在这些应用中，准确预测液氮的流动沸腾换热特性对于系统设计和安全运行十分重要。
The system of nitrogen source is designed for the need of pure nitrogen of the large space environment simulating equipment in our country.
氮气源系统是根据我国大型空间环境模拟设备对纯净氮气的需要而设计的。
LD, LDMC series Ion nitrogen (NOx) equipment from the LD, LDMC system power vacuum furnace and pose.
LDMC系列离子渗氮(氮化)设备由LD、LDMC系统电源和真空炉体构成。
Though the process improvement in nitrogen manufacturing system of acetylene Carbon black, this paper discusses the practical measures and advantage for JH-100 nitrogen making facilities.
通过乙炔炭黑制氮系统的工艺改造，讨论了JH—100型制氮机应用于实际生产所采用的措施和优越性。
The results showed that ammonia volatilization losing could be obviously reduced in rice-wheat rotation system with optimization method, and nitrogen efficiency was also improved.
结果表明，优化施肥能明显降低稻-麦轮作系统中的氨挥发损失，提高稻麦对氮素的利用率。
Under optimum conditions, the removal efficiencies of ammonia and nitrite nitrogen could be above 85% and 95%, the system is running well and has reproducibility.
在优化条件下，系统最终氨氮去除率能达到85%以上，亚硝态氮去除率达到95%以上，系统运行效果良好，且具有重现性。
A burner management system and a combustion control system are used to maintain low Nitrogen oxide and Carbon Dioxide emissions which are major environmental concerns.
燃烧器管理系统和燃烧器控制系统用于保持氧化氮和二氧化碳的低排放量，减少对空气的污染。
Rapidly available and total nitrogens were consumed respectively in low and high nitrogen soils in maize and soybean mixcropping system.
玉米大豆混作系统在低氮土壤上主要消耗土壤速效氮，在高氮土壤上主要消耗土壤全氮。
The paper probed into the relations between nutritional elements (Nitrogen, Phosphorus) and protective enzyme system of spring wheat seedling (SWS) under different water level in potted condition.
通过盆载试验，研究了氮、磷营养在水分亏缺情况下对春小麦幼苗相关保护酶活性的影响。
The paper probed into the relations between nutritional elements (Nitrogen, Phosphorus) and protective enzyme system of spring wheat seedling (SWS) under different water level in potted condition.
通过盆载试验，研究了氮、磷营养在水分亏缺情况下对春小麦幼苗相关保护酶活性的影响。
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