保持

In this process the alkylate concentration is kept at a relatively low level, thereby minimising the amount of undesired by-products that can be formed by, e.g., degradation of alkylate and condensation of degradation products.

在该方法中，烷基化物浓度保持在相对低的水平，这样，由例如烷基化物的降解或降解产物的缩合形成的不希望的副产物的量可以降到最低。

A process for preparing alkylene glycols including reacting an alkylene oxide with water in the presence of a combination of additives and an anion exchange resin, wherein the combination of additives comprises carbon dioxide and an organic or inorganic base provided in an amount sufficient to maintain a pH of the reaction mixture between about 5.0 and 9.0, with the proviso that, when the base is bicarbonate or carbonate, then the anion exchange resin is a trimethyl benzyl ammonium anion exchange resin.

制备亚烷基二醇的方法，包括让烯化氧与水在添加剂组合和阴离子交换树脂存在下进行反应，其中添加剂组合包括二氧化碳和以足以保持反应混合物的pH值在约5.0和9.0之间的量提供的有机或无机碱，前提条件是当碱是碳酸氢盐或碳酸盐时，阴离子交换树脂是三甲基苄基铵阴离子交换树脂。

All manner of medications must absolutely be kept out of the reach children.

各种形式的药物，必须保持了绝对的接触到的儿童。

It then suggests the auto maker may have gone all-in with the Volt to remain competitive.

然后提出了汽车制造商可能已经全部在同电压以保持竞争力。

If he has a healthy career, he will end up as one of the all-time greats.

如果他的职业生涯能够保持健康的话，那他将会以历史上最伟大的球员之一身份结束自己的职业生涯。

We can maintain an allegiance to the past.

我们可以保持效忠过去。

In order to avoid the crisis of procedural legitimacy rooted in this contradiction,the west countries'practice is,under the judicial system in a semi—autonomous and semi—open state,to achieve the beneficial interaction among policy, procedural institutions and the rules so as to guarantee the judicial capability in the modern society and hereby design the procedure according to the criminal policy oftreating petty misdemeanor with more alleviative disposition and treating felony with more severe sanction.

西方国家的实践经验是：在司法系统保持半自治半开放的状态下，政策与程序制度、规则进行良性互动，按照"轻轻重重"的刑事政策设计诉讼程序，以此维持司法制度在现代社会中的程序能力。

Most of these areas will be to maintain the existing width alleyway, and appropriate link and out.

这些地区的多数胡同都将保持现有宽度，并进行适当贯通和梳理。

Americans hoped Britain, France and the other Allied powers would defeat Nazi Germany and Fascist Italy. Yet Congress passed a law declaring the United States would remain neutral.

美国人希望英国、法国和其他同盟国能够战胜纳粹德国和意大利法西斯，然而，美国国会却通过法律宣称，美国将仍然保持中立。

You need to be allied with your pediatrician, who has to be aware of what you're doing.

你还需要与儿科医生保持联系，让其知道你正在做什么。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。