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1.Installation of bell-less top steel ring for blast furnace
炼铁高炉无料钟炉顶钢圈的安装技术收藏指正
2.The Law of Stress Distribution of Steel Ring Group of Metal V-Belt CVT
金属带式无级变速器钢环组应力分布规律收藏指正
3.The result shows that the coefficient of friction of GCr15 steel ring against nano-ZrO2 ceramic block is 37.3% less than that against 45# steel block, the wear weight loss of nano-ZrO2 ceramic block is only 0. 76% of that of 45# steel block.
结果表明:ZrO2陶瓷比45号钢与GCr15钢对磨的摩擦因数值减少37．3％,其磨损量仅为45号钢磨损量的0．76％。收藏指正
4.The TCu 220 C group exhibited a significantly lower ex-pulsion and pregnancy rate than the other two groups(P<0.01). The steel ring groupexhibited a significantly higher expulsion rate than the steel-plastic ring group(P<0.05～0.01),but the pregnancy rates were not significantly different in the 2 groups(P>0.05).
TCu 220 C的脱落率和妊娠率非常显著地低于金单和金塑(P<0.01),金单的脱落率高于金塑(P<0.05～0.01),而两者的妊娠率无显著差异(P>0.05)。收藏指正
5.The general situations of the installation work of bell less top steel ring is introduced in this paper and combined with requirements on levelness of steel ring corresponding preparation work and installation process are elaborated in detail as well as the installation key points in construction in order to ensure safe running of equipment.
介绍了某炼铁高炉无料钟炉顶钢圈施工工程概况 ,结合对钢圈水平度的要求 ,详细阐述了其施工准备及安装工艺流程 ,提出了具体的施工安装要点 ,以确保未来生产中设备的良好运行收藏指正
6.Menstrual blood loss (MBL), serum ferritin and cyanomethemoglobin were measured at pre-and 1,3,6,12,18,24th post-insertion periods in sixty women wearing the Steel Ring,Vcu200 or Tcu220c.
本文用随机的方法对60名健康妇女放置不锈钢单环、Vcu 200和Tcu 220c 3种节育器,并在放器前、后进行月经血量、血红蛋白浓度和血清铁蛋白测定。收藏指正
7.The follow-up rate at the end of 5 years was 96.0%. Woman years ofuse were 6802.8 for Steel ring, 8373.3 for VCu 200 and 8712.3 for TCu 220 c.
自1987年7月1日至1984年3月31日共接受对象6236例。 五年末随访率为96.0%。收藏指正
8.A randomized multicentre clinical comparative study of the stainless steel ring, VCu 200 and TCu 220c has been carried out in 23 centres in 13 provinces and municipalities.
全围13省、市共23个单位,对不锈钢金属单环,V铜200及T铜220C进行随机化临床多中心比较性研究。收藏指正
9.No transfer layer but the very thin and even lubricating film could be found in case the steel ring surface sliding with POM/M-UHMWPE(95/5) and POM/LLDPE/EAA(90/10/4) blends.
与POM／M-UHMWPE(95／5)和POM／LLDPE／EAA(90／10／4)共混物对磨时，钢环表面并未出现明显的转移膜，而是一层薄而均匀的润滑层。收藏指正
10.Aiming at the expendable phenomenon at the top of the valve pot for a slush pump model NBg-600, the writer adops the protective method of inserting a steel ring, thus lasting its service life approximately 2 times.
针对NB_8—600泥浆泵阀箱口处易损的现象,采用了镶钢圈的防护方法,从而延长了阀箱口工作寿命近2倍;收藏指正
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