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- Double metal roll 轧辊
- Research on Convective Heat Transfer Empirical Formula for the outside of Double Metal Rolling Fin Tubes 双金属轧片式翅片管管外对流换热准则关系式研究
- Extreme Pressure Grease for Metal Rolling Mills. 极压负荷特性。高度抗水性。适用于工作轧辊及背撑轧辊轴承。
- We often use multilevel drawbench.It is very compatible that the multilevel drawbench draws the different intension coefficient double metal. 同时,多级拉丝系统在拉拔抗拉强度系数不同的双金属丝时,也非常适用。
- The content of Fe and Zn of the double metal catalyst for the preparation of polyether were measured by using complex titration analysis method. 研究了用配位滴定分析方法测定聚醚多元醇用双金属催化剂中锌、铁含量的方法。
- The material and technology of manufacture of screw slag removre of double metal high Cr castiron and carbon steel have been investigated. 研究了制造高铬铸铁碳钢双金属复合排渣器的材料与工艺。
- Polyether polyols with high mlecular weigh, marrow molecular distribution and low monolwere prepared by using a double metal cyanide catalyst. 使用双金属氰化物络合催化剂,制备了分子量高、分子量分布窄、不饱和度低的低单官能度聚醚多元醇。
- In double metal cladding waveguides, the separation and degeneration of TM 0 and TM 1 modes will appear as the thickness of guiding layer increases, this may confuse the judgement of mode orders in attenuated total reflection (ATR) spectrum. 在双面金属包覆介质波导中 ,随着介质层厚度的变化 ,会出现TM0 模与TM1 模的分离和简并两种状态 ,从而影响衰减全反射 (ATR)谱中模序数的确认。
- The experiment results show that under reaction temperature 80 C and reaction pressure 3.0 MPa, the reaction conversion is nearly 100% and the yield is beyond 90.0% with Ni-Co/C double metal supported catalyst. 实验表明,在温度110℃,压力3.;0MPa下,采用Ni-Co/C催化剂进行的加氢催化反应,原料转化率近于100%25,产物收率在90%25以上。
- The polyether polyols which has higher molecular weight,narrower molecular weight distribution and lower unsaturation can be prepared by using double metal cyanide (DMC) complex catalysts. 用双金属氰化物(DMC)络合催化剂可制得相对分子质量高、相对分子质量分布窄和不饱和度低的聚醚多元醇。
- The device is tested thoroughly on different rolling aggregates, it has been working for about 4 years on the mill of hot ferrous metal rolling. 该仪器已在各种轧机设备上进行了全面试验,并已在黑金属热轧机上工作了4年。
- Mechanism of metal powder rolling where powder weight keeps constant before and after powder rolling,is different from that of conventional dense metal rolling. 金属粉末轧制机理与传统的致密金属轧制机理不同,在这里适用的是粉末轧制前后粉末重量相等原理。
- Poly (propylene carbonate) polyols was synthesized by the copolymerization of carbon dioxide with propylene oxide in the presence of double metallic catalyst in loop reactor. 摘要以二氧化碳3环氧丙烷为原材料,在双金属氰化物催化剂催化下,利用环流反应器合成聚碳酸亚丙酯多元醇。
- Sheet metal, metal roll board, plastic, glass, concrete piece and so on 金属板、金属卷板、塑料、玻璃、混凝土块等
- Mitsubishi-Hitachi Metals Machinery, Inc. was established to further extend the metals rolling and strip processing plant business. 三菱日立钢铁设备有限公司的建立;进一步扩大了金属轧制和带钢加工厂的经营业务.
- Forming and Inspection of Double Metal Lining 双金属衬套的成形与检测
- He is working double tides to finish his essay. 他日夜苦干,赶写他的文章。
- double metal cyanide complex catalyst 双金属氰化络合物催化剂
- I do not realize it is a double feature. 我原先不知道这是双片连映。
- Double agents live in a perpetual state of fear. 两面派永远过着提心吊胆的生活。