查询词典 sieve method

In this study, on the basis of the grain size analysis using the laser diffract instrument and sieve-pipette methods for several model sediments, the two sets of grain size parameters are compared and the differences between the two methods are analyzed.

为了解激光粒度仪法和传统的筛析－沉降法在模型沙粒度测量方面的差异，用这两种方法对几种模型沙样品分别进行了粒度分析。

In the second part, the supported mesoporous sieve solid base KNO_3/MCM-48 and KAc/MCM-48 were prepared. And it was the first time that KNO3/MCM-48 and KAc/MCM-48 were used as catalysts for the synthesis of dipropyl carbonate by transesterification of propanol and dimethyl carbonate.

第二部分研究了负载型KNO_3/MCM-48和KAc/MCM-48固体碱的的制备，并首次将这类催化剂应用到丙醇和碳酸二甲酯酯交换法合成碳酸二丙酯的反应中。

Anhydrous magnesium chloride may be prepared from materials containing magnesium chloride such as magnesium chloride hydrate, carnallite or bittern by different dehydrating methods of organic solvent distillation or molecular sieve absorption, gas protective heating, discomposing the MgCl2-NH3 complex that can be composed from high boiling-point polar-solvent system...

无水氯化镁制备技术经历几十年不断的探索，取得了一些进步，但彻底改变耗能高、污染腐蚀严重、流程复杂的工艺过程，开发流程简单、低污染腐蚀、低成本的绿色工艺仍然需要更深入的研究。

The synthesis methods of ethyl lactate catalyzed by P-toluene sulfonic acid, cationic exchange resin, ferric chloride hexahydrate, stannous chloride, Aluminium chloride, modified zirconium oxid, ferric-potassium vitriol, ammonium ferric sulfate dodecahydrate, rave earth sulfate, sodium bisulfate monohydrate, complex solid superacid, heteropoly acid, molecular sieve, ionic liquid and lipase etal.

评述了对甲苯磺酸，阳离子交换树脂，六水三氧化铁，氯化亚锡，三氯化铭，改性氧化锆，铁钾矾，十二水合硫酸铁铵，稀土硫酸盐，一水硫酸氢钠，复合固体超强酸，杂多酸，分子筛，离子液体和脂肪酶等催化剂催化合成乳酸乙酯的合成方法。

The population of Liposcelis entomophila in wheat stored in horizontal storage was monitored in two ways of hand sieve sampling and probe trap in autumn and winter.

对平房仓散装小麦堆秋冬降温期间采用取样手工筛检和探管式诱捕器诱集的方法，定点检测观察了嗜虫书虱Liposcelis entomophila的种群密度变化。

The population of Liposcelis entomophila in stored wheat in horizontal storage during temperature ascending was monitored in two ways of hand sieve sampled wheat and probe trapping. The results indicated that the number of psocids increased with grain temperature moving up.

在平房仓散装小麦堆中温升期间采用取样手工筛检和探管式诱捕器诱集的方法，定点检测观察了嗜虫书虱Liposcelis entomophila的种群发生动态情况。

Checking once a week by probe trap can get similar monitored results to hand sieve sampled wheat. There was a correlative, y =1.0441x + 1.0147, R^2 = 0.9186, between two monitoring methods for Liposcelis entomophila under the field condition.

在散储小麦堆中，采用探管诱捕器每7d检测1次与取样筛检方法得到的结果可达一定的一致性或相关性(y=1.0441x+1.0147， R^2=0.9186)。

As soon as the child has got any teeth, and about this period one or two will make their appearance, solid farinaceous matter boiled in water, beaten through a sieve, and mixed with a small quantity of milk, may be employed.

当孩子有任何的牙齿，和有关这一时期的一个或两个将使他们的外观，坚实的farinaceous此事在煮沸的水，殴打，通过筛，并混合了少量牛奶，可被雇用。

As soon as the child has got any teeth, and about this period one or two will make their appearance, solid farinaceous matter boiled in water, beaten through a sieve, and mixed with a small quantity of milk, may be employed.

一旦孩子有没有牙齿，有关这一时期的一个或两个将使它们的外观，扎实farinaceous事项煮沸的水，殴打通过筛，并混有少量的牛奶，可受聘。

According to the sample processing procedures described in these studies, all samples used to generate faunal counting data were weighed and sieved through a 150 mm sieve.

据样品处理程序中所描述这些研究中，所有样品用来生成动物计数数据权衡和筛选通过150毫米筛。

There had been a moment during the breakfast meeting, though, after the backslapping and the small talk and when all of us were seated, with Vice President Cheney eating his eggs Benedict impassively and Karl Rove at the far end of the table discreetly checking his BlackBerry, that I witnessed a different side of the man.

那次早餐会期间，在表示过关心和寒暄以后，我们所有人坐了下来，我注意观察了一下，副总统切尼面无表情地吃着班尼迪克蛋（Eggs benedict，源自美国，以英式松饼、火腿、水煮蛋以及荷兰酱组合而成），卡尔。罗夫在餐桌的远端谨慎地经常查看他的黑莓手机，我目睹了他所不为人知的一面。

Talk Undelete failed; someone else may have undeleted the page first.

Talk 无法删除选定的页面或图像（它可能已经被其他人删除了）。