A low density polyethylene produced by a low pressure process, by Ziegler-Natta polymerization or by use of the Phillips process.
采用低压过程，齐格勒·纳塔聚合或菲利浦斯公司工艺生产的一种低密度聚乙烯。
The partial arc may derive from the surface of polluted insulator string and form the air gap arc during the pollution flashover process at low air pressure.
低气压下绝缘子污闪放电过程中局部电弧存在飘离绝缘子表面形成空气间隙电弧的现象。
The biological desulfurization process has broad prospects due to low operating pressure and temperature as well as low production cost coupled with hydrogenation.
由于微生物脱硫工艺操作压力、温度低，尤其是与加氢技术偶联的生物脱硫工艺成本较小而具有广阔的市场前景。
The process of the low Pressure Casting included very rich content.
低压铸造生产过程中包含着十分丰富的内容。
In this paper, reaction mechanism, process and technical character are described. Meanwhile, technical progress of carbonylation of methanol to acetic acid via low pressure is also introduced.
阐述了甲醇低压羰基会成醋酸的反应机理、工艺流程和技术特点，同时介绍了甲醇低压羰基合成醋酸的技术进展。
The low-pressure casting process and die design for automobile housing were introduced.
介绍了汽车壳体零件低压铸造工艺与模具设计。
Retrofit is done of the original regeneration system for CO 2 removal with the process of pressure swing regeneration with low heat source.
采用低供热源变压再生工艺对原脱碳再生系统进行改造。
Low pressure casting is the process of metal liquid filled in mould down-top in virtue of pressure of crucible.
低压铸造是利用坩锅内气压，将金属液体由下而上充填模具的过程。
In view of seepage process in vertical fracture well in low permeability reservoir, considering kickoff pressure gradient and media deformation coefficient, bilinear flow model is established.
针对低渗透地层垂直裂缝井的渗流过程，考虑了启动压力梯度和介质变形系数的影响，建立了三线流模型。
The Fairchild Model 4100a is a No Bleed low pressure Precision pressure Regulator designed for applications that require high performance and accurate process control at very low pressures.
飞兆半导体型号4100a的是一个没有排气低压精密压力调节器的应用程序需要在非常低的压力，高性能和精确的过程控制设计。
But the fuel starting injection pressure will turn low gradually when the operational time of the diesel engine increases. This will cause worsening of the combustion process and fuel economy.
但是随着柴油机使用期的增长，启喷压力会逐渐降低，导致燃烧过程恶化，经济性下降。
A new process for removing CO 2 with low heat supply and pressure swing regeneration was developed, and a set of software for simulated calculating and optimizing the process was designed.
开发了一种低供热源变压再生脱碳新工艺，并为该工艺研制了一套过程模拟计算和调优软件。
The advanced second generation patented ultra-low pressure continuous reforming process of UOP and the R-134 reforming catalyst were used in the unit.
该装置采用美国UOP公司先进成熟的第二代超低压连续重整工艺专利技术及r- 134重整催化剂。
An improved oxidation ditch process using forced air supply low-pressure jet aeration system was used to treat middle-stage wastewater from pulping and papermaking.
采用供气式低压射流曝气系统改良型氧化沟工艺处理制浆造纸中段废水，对整个调试运行过程进行了介绍。
In this paper, molding process for low-pressure sheet molding compounds thickened by crystalline unsaturated polyester was investigated.
对结晶不饱和树脂增稠聚酯模塑料的中温低压模压成型工艺进行了研究。
The modified process has overcome the disadvantages of low production capabilities, high tower body, large pressure drop, and high energy-consumption, etc.
克服了原工艺的生产能力小、塔体高大、压降大、能耗高等缺点。
Filling and solidification process of low pressure casting is a complex and dynamic process with huge heat dissipation.
低压铸造充型是一个伴随着大量的热量散失的复杂的动态过程。
Oilfield application obtained better results. For low pressure and low permeability hydrocarbon reservoirs, especially gas well, this perforating completion process has important application value.
通过现场应用取得了较好的效果，该工艺技术对低压、低渗油气藏特别是气井的射孔完井具有重要应用价值。
Analyse the process of the low-pressure reaction injection molding for rapid tooling, and summarize the quality fish-bone diagram through the lifecycle of product.
对面向快速模具的低压注型工艺进行分析，总结出其整个生命周期中影响其质量的产品质量鱼骨图。
A new expendable pattern casting (EPC) process, with vacuum and low pressure, was introduced.
介绍了一种新的铸造技术——真空低压消失模铸造的工作原理。
This article describes the process, equipment, operating performance and pontes for attention for adding heater and protective device for traditional low-pressure shifting furnace.
简要介绍了传统低变炉增设开工加热器和保护器工艺、设备、运行优点及注意事项。
The manufacturing process for P/M low pressure oil pump gear, conditions of stand testing and technological and economic results have been introduced.
介绍了粉末冶金低压油泵齿轮的制造工艺、台架试验情况及应用的技术、经济效果。
This article introduces the chemical reaction mechanism of urea conversion into melamine. It also describes the optimum reaction conditions for low-pressure Catalytic melamine production process.
介绍了尿素转化成三聚氰胺的化学反应机理及三聚氰胺低压催化法工艺的最佳反应条件。
The plant using BP Technology produces acetic acid with Low Pressure Methanol Carbonylation Process.
本装置采用BP技术，利用甲醇低压羰基化法生产醋酸。
This paper introduces a new desulfurization process CrystaSulf SM which can directly treat high-pressure gas streams with low and medium amounts of sulfur.
介绍了一种能够直接在高压下处理中低潜硫量含硫气的脱硫新工艺。
The technological process of recovering copper and bismuth in wet handling elution residue by adding pyrolusite as oxidizing agents under the condition of ordinary pressure, low temperature, acidity.
主要介绍在常压、低温、酸性条件下加软锰矿为氧化剂湿法处理洗净残渣提取铜和铋的技术。
The turbine was in trip in No. 1 power unit, Luoding power Plant, Guangdong because of low oil pressure in several times in the process of one stroke of EH oil pressure in DEH speed adjusting system.
广东罗定电厂1号机组DEH调速系统EH油压在一次冲转过程中，多次出现因为油压低，导致汽轮机跳闸。
Thermal behavior of vacuum concentric tube annulus is a process involving combined heat transfer mode, in which the thermal conduction of low pressure gas plays an important role.
真空同心管套涉及传导、辐射等传热方式，其中低压气体的热传导非常复杂，是分析问题的关键。
The whole process of chemical cleaning scale in a low pressure boiler was particularly introduced, and several Suggestions on chemical cleaning to boiler were given.
详细介绍了一例低压锅炉化学清除水垢的全过程，同时对锅炉的化学清洗提出了几点建议。
This article mainly reviewed researches on heat-transfer modeling during ultrahigh pressure processing, freezing and thawing process under ultrahigh pressure and low temperature.
本文综述了食品在超高压处理过程中的传热模型和相转变的研究进展，对超高压低温条件下的冻结和解冻过程也进行了讨论。
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