It expounds the existing problems of the coefficient K\'s value in API 600\'s inequations when to do steel valve parameter nominal pressure\'s calculation for steel valve in DIN system.
分析了连接螺柱(螺纹)强度计算用公英制转换和压力级转换的条件不等式产生偏差的原因,论述了API600标准中不等式的K值在公称压力(PN)的DIN系列钢制阀门的计算中存在的问题,探讨了多项阀门国家标准引用的不等式中参数"PN"的定义、系数值和表达式,提出了简化和统一计算方式的建议。
The assistant vulcanizing agent S and TCY can also reduce the DIN abrasion volume of the blends.
实验结果表明,助硫化剂S、PDM和Zn(MMA)2均能有效地提高共混物的拉伸强度和撕裂强度;助硫化剂S和TCY均能降低共混物的DIN磨耗体积。
Based on the fundamental formula of SBR,the effects of carbon black types and dosage,the aging time on the Akron and DIN abrasion resistance of SSBRT2000R and ESBR1502 were studied,respectively.
以丁苯橡胶基础配方为依据,研究了炭黑种类及用量、老化时间对溶聚丁苯橡胶T2000R和乳聚丁苯橡胶1502阿克隆磨耗和DIN磨耗性能的影响。
leukopenia in which the decrease is primarily in number of neutrophils (the chief phagocytic leukocyte).
嗜中性粒细胞数量减少的一种血球减少症。
a blood disease characterized by an abnormally small number of platelets in the blood.
血液中血小板数量减少的一种血液
The goal is to reduce the number of infected babies by 40%.
目标是使受感染婴儿的数量减少40%。
The number of these immuno-positive cells was highest in the 7th week and dec re ased at 11-12 weeks of gestation.
第 11- 12周 ,阳性细胞数量减少。
A study of the causes of cultivated land loss and countermeasures in Hebei Province;
河北省耕地数量减少原因及对策研究
decreasing in amount or degree.
数量或程度上减少的。
decreasing in amount or intensity.
数量上或强度上减少的。
stock reduction
减少库存数量（文件储存）
The number of fish in coastal waters has decreased.
沿海鱼的数量已减少了.
To reduce in amount, degree, or intensity; lessen.
减少，降低使在数量、程度或强度上减少；减轻
reduce volume, quantity, pressure, speed
缩小体积、 减少数量、 降低压力、 减低速度
gradually decreasing in rate on sums below a certain amount.
逐渐减少，数量上低于常量。
an abnormal lowering of the white blood cell count.
白色血球的数量不正常地减少。
We are going to scale down the number of trees being felled.
我们要减少砍伐的树的数量.
We is go to scale down the number of tree is fell.
我们要减少砍伐的树的数量。
We be go to scale down the number of tree be fell
我们要减少砍伐的树的数量
Use software compression~~Reduces the size of outgoing data.
使用软件压缩~~减少向外传输的数据量。
Though greatly reduced in numbers, the membership has gained in fighting capacity.
党员数量大为减少，战斗力反而增加。