查询词典 sieve

You do have a memory like a sieve!

记性可真像筛子似的！

Transfer 5g of air-dried soil, ground to pass a 2 mm sieve, into a bottle.

将5g 空气干燥的土壤研磨并通过2mm 筛，筛入一个具塞瓶子。

Filtrating by sieve to make the comminuting particles reach to the using requirement.

筛网过滤，使粉碎后的塑料粒子达到使用要求。

This is China's censorship machine, part George Orwell , part Rube Goldberg: an information sieve of staggering breadth and fineness, yet full of holes; run by banks of advanced computers, but also by thousands of Communist Party drudges; highly sophisticated in some ways, remarkably crude in others.

这就是中国的审查机器，无所不在却又繁琐不堪。它是一个有惊人广度和细度的信息筛网，但也充满漏洞，通过先进的计算机组运行，但也由成千上万共产党苦力推动，在某些方面非常先进，在另一些方面却相当粗制滥造。

Narrow distribution microsphere standards have been produced and certified by Electroformed sieve analysis and microscopy using a NIST reference.

已生产出20种窄分布标准微球颗粒，并已经根据 NIST 方法用电铸筛和显微镜来进行验证。

Misalignment of grana thylakoid margins of nectarine leaves also was seen in weak light. The sieve pores of SEs were obstructed in weak light.

在弱光下，邻近维管束鞘细胞的叶肉细胞内积累了大量的淀粉粒和少量的线粒体。

Methods Soil was air-dried, grinded, and screened through 100 mesh sieve. Appropriate sample was put in porcelain crucible with 0.5 g Aldrin reagents, and another 2 g Aldrin was used to cover the sample. Then the mixture was burned, cooled off, lixiviated by water, and determined by arsenic-cerium redox spectrophotometry.

土壤经自然风干，粉碎过100目筛，取适量试样于盛有0.5g艾氏试剂的瓷钳埚中，再取2g艾氏试剂覆盖试样，置高温炉中灼烧，冷却，水浸提，砷铈氧化还原分光光度法测定碘含量。

Our purposes are to research and sieve direction-selected nitration agents which will be added to the process of when chlorobenzene is nitrated and to make reaction proceed toward ONCB and to raise the proportion of ONCB to 40-50%.

本项目通过对定向硝化剂的研究和筛选，在氯苯硝化时加入选定的定向硝化剂，使硝化向邻位定向进行，提高邻硝比例达到40～50%。

The contents of n -paraffins were determined using 5A molecular sieve as absorbent by correction from data of GC.The results were compared with those of GC.

采用分子筛直接吸附再经色谱数据补正的方法，测定液体石蜡的正构烷烃含量，并与气相色谱法的结果对比，其一致性较好。

It's a go-routine based version of the sieve algorithm for computing primes.

它是一个建立在goroutine上面的版本，用来计算质数的筛选算法。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。