查询词典 airtightness

As long as the principle of airtightness in the combustion regions, in the connecting piping, and in the filter units is followed, the form, shape, and method of assembly is not important.

只要的原则，在密闭的燃烧区域，连接管道，并在过滤器其次是单位的形式，形状和装配方法并不重要。

The tape was of fine adhesion and airtightness,suitable for use in sealing cavity-glass.

采用丁基橡胶研制了用于中空玻璃密封的胶条，研究了主体树脂的品种、增黏剂、改性剂、填料的类型及用量对材料性能的影响。

A method to ascertain airtightness of regulable refrigeratory, airtightness material selection and a way to made air retaining wall were discussed in this paper.

论述了气调库气密性的确定方法，气密材料的选择及气密层的做法，介绍了用正压法检测气调库气密性的具体操作过程，并给出了国内外的不同气密性标准。

The design improvement of the structure of A cylinder, the use of superheated solvent vapour, the connection way of fan and cyclone separator, the vacuum device of B cylinder and the airtightness of the system were described.

重点阐述了溶剂过热蒸汽低温脱溶装置中A筒结构、A筒溶剂过热蒸汽的使用、风机与刹克龙的联接方式、B筒负压装置、系统的封闭性等问题的设计改进。

In order to change the test of closed water for the high pressure vessel for the closed air test, according to the requirement of airtightness for high pressure vessel,the quantitative mathematical model for closed water test was built by analysis of free going out for small orifices in fluid mechanics.

为将高压容器密闭性的闭水检测改为闭气检测，根据高压容器密闭性能的要求，通过对流体力学小孔口自由出流分析，建立了闭水试验定量数学模型。

The seal coating can improve the airtightness of the coatings and prevent the corrosive gas penetrating into the base metal.

结果表明，3种涂层都可以起到保护基体，减缓腐蚀的作用。

Airtightness Tri-Wall Pak box is made by one piece of the Tri-Wall corrugated board, and sealed by waterproof tape. The box can be packed airtight.

可做成密封包装 Tri-Wall Pak 是用一体的Tri-Wall 纸板做成的箱子，而且用防水胶带完全封住，所以可做成密封型 9。

The direct removal of coal ash by the negative pressure generated by a negative pressure fan,features less investment,simple system,simultaneous carriage and sorting ,and good airtightness,but its stability is poor,and it causes serious wear of pipeline and negative pressure fan as well.

负压取灰是利用负压风机所产生的负压将干灰直接取出的一种取灰方式，具有投资小、系统简单、可以同时实现输送和分选及密闭性好等优点，但是稳定性比较差，对管道和负压风机磨损较为严重。

For the purpose of airtightness and reduction of solvent vapor adsorption a rubber stopper lined with polyethylene film was used, instead of al...

汽化瓶不用加铝盖，用反口塞加上聚乙烯薄膜，便可达到密闭及减少吸附的要求。对该方法提出了改进意见，简化了测定手续，提高了准确性。

Less connector and airtightness.For each FRP tube, the length can reach 12 m., so the leakage point can be reduced. We adopt the "Dual-ring" for airtightness.

接头少、密封性好，由于玻璃钢管道每根管道可达12米长，减少了泄漏点，采用双"0"型密封圈，密封可靠，也可做到边安装边试压。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。