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- gas sealing agent 气密封剂
- QINGGUANG MARSH GAS SEALING MATERIAL FACTORY. 秦光沼气密封材料厂。
- Made of or coated or treated with rubber, plastic, or a sealing agent to prevent penetration by water. 用防水材料处理过的以防止漏水而用橡胶、塑料或粘结剂制作、覆盖或处理过的
- SiO_2 sol sealing agent was prepared from tetraethoxysilane(TEOS)by ethyl alcohol as solvent and hydrochloric acid as catalyst. 以正硅酸乙酯为原料,乙醇为溶剂,盐酸为催化剂制备了SiO2溶胶封孔剂。
- ZC-100H: In anchoring agent and sealing agent industries, C5 petroleum resin has very important position as gluing resin. ZC-100H: 在胶粘剂和密封行业中,碳5石油树脂作为增粘树脂已经占有重要地位。
- It is shown by analysis that the main reasons for the damage of dry gas sealing are the higher vibration of radial tile at both sides and higher temperature of thrust tile. 介绍二氧化碳压缩机高压缸的结构及运行中存在的问题,分析认为干气密封损坏主要原因是两侧径向瓦振值较高、止推瓦温度较高,提出改进措施。
- A new type shale inhibiter,KLG and sealing agent are used to seal fragile formation so that we can enhance safety density and solve the problem of hole collapse. 用新型防塌剂和KLG以及封堵材料复配使用,对破碎地层进行了有效封堵;
- The reasons for worn dry gas seal on T slot,leakage and the short life of application were analyzed for the ammonia plant in Jilin Chemical Industry Company. 分析了吉林化学工业公司化肥厂合成氨装置氨压缩机T形槽干气密封磨损、泄漏、使用寿命短原因。
- To deal with the problem of reservoir damage during drilling operation, well completion fluid system containing sealing agent DCL-1 and plugging agent YD-1 was applied in Zhao-44 well. 针对赵46井裂缝性砾岩储层的特点,采用了以单向压力封闭剂DCL-1和低荧光油溶性暂堵剂YD-1为主处理剂的钻开油层完井液体系。
- Polymerize with vinyl acetate and acrylic acid or methyl acrylic acid monomer.These polymers are widely used in coating, adhesive and sealing agent, providing excellent adhesion and durability. 与醋酸乙烯和丙烯酸或甲基丙烯酸单体共聚,这些聚合物广泛用于涂料、胶粘剂和密封剂中,提供优异的粘合力和耐久性。
- Presents the structure characteristics and working principle of type 28 gas seal, and summarizes the dismantling and reassembling gists as well as operation and maintenance experiences. 介绍28型气体密封的结构特点、工作原理,总结拆卸与装配要领,操作与维修经验。
- LZQS-CFB-air collision on the classification round spindle mill gas seal, smashing equipment, powder separation devices and drainage has been the proliferation of national patents. LZQS型流化床对撞式气流粉碎机的分级轮主轴气密封装置、粉碎装置、粉末分离装置和引流扩散管已获国家专利。
- In the drilling fluid system, main treating agents include polyalco-hol CFH-2, strong sealing agent and high temperature salt tolerant filtrate reducer OCL-PT, and so on. 聚合醇CFH-2具有可生物降解性;既能提高体系的抑制性、润滑性及储层保护性能;又可满足环保要求; 抗高温降滤失剂OCL-PT能有效地降低饱和盐水体系在高密度(2.;32g/cm。)
- The Drum Type High-Pressure Pump AAA is suited to high pressure feeding of high viscosity sealing agents out of 300 KG containers. AAA回转式高压泵适合用于将高粘度的密封剂从300公斤的容器中高压输送出来。
- According to the analysis, dry friction damper can raise the aeroelastic stability of the labyrinth gas seals. 研究表明,干摩擦式阻尼减振器可以有效地提高篦齿封严装置的气动弹性稳定性。
- The new sealed ployurethanes were prepared from toluene diisocyanate(TDI),new sealing agent glycol monoethyl ether(GME)and hydroxyl terminated polyether with no solvent. 以甲苯二异氰酸酯和聚醚多元醇为原料,以乙二醇单乙醚为封闭剂,采用无溶剂法制备了无溶剂封闭型聚氨酯树脂。
- Laboratory Study of Sealing Agent for Shallow Layer 浅层堵漏剂的室内研究
- Scharrer J K.Theory Versus Experiment for the Rotor Dynamic Coefficients of Labyrinth Gas Seals[J].I-A Two Control Volume Mode,Sound and Vibration,1987,186(1):136. 李罡;祝刚.;带阻尼套筒的篦齿封严结构模态计算方法研究[J]
- Dry gas seals used in synthetic gas compressor are discussed.And the structure,function &principle of all parts used in dry gas seals and its system are mainly introduced. 探讨了合成气压缩机所使用的干气密封,并着重介绍了干气密封及其系统各部件的结构、作用和工作原理。
- A Design Method of Dry Gas Seal Groove 一种干气密封槽型的设计方法