查询词典 choose between

The method solves the problems better through adopting the following technical proposal that: the method takes the solid super acid consisting of the VIB group elements or the VIB group elements and the IVB group elements in the periodic table of elements and loaded on a symbiosis molecular sieve as catalyst, and naphtha with the component being C4-C10 as a raw material so as to carry out catalytic cracking reaction at a temperature of between 550 and 700 DEG C, under a pressure of between 0.01 and 0.5 MPa, at a reaction weight space velocity of between 0.1 and 4 hours and with the weight ratio between water and naphtha of between 0.5:1 and 4:1, thereby generating ethylene and propylene.

本发明涉及一种催化裂解制乙烯丙烯的方法，主要解决现有催化裂解制乙烯丙烯催化剂的使用温度高，活性低，乙烯丙烯选择性差的问题，本发明通过使用在共生分子筛上负载由元素周期表VIB族元素或VIB族元素和IVB族元素组成的固体超强酸作为催化剂，以组份为C 4 ～C 10 的石脑油为原料，在反应温度为550～700℃，反应压力为0.01～0.5MPa，反应重量空速为0.1～4小时-1 ，水/石脑油重量比为0.5～4∶1的条件下，进行催化裂解反应生成乙烯丙烯的技术方案，较好地解决了该问题，可用于催化裂解制乙烯丙烯的工业生产中。

The removal rate of CODcr is between 84 and 87%; BOD_5 is between 27% and 40%; NH3-N is between 53% and 78%; TN is between 27% and 40%; TP is between 74% and 78%.

BOD_5去除率都在88%～92%之间，氨氮的去除率在53%～78%之间，总氮的去除效率在27%～40%之问，总磷的去除在74%～78%。

For example, I speak to the students and the other another distinction, I have another first in the "an" and "other" Draw a vertical line. then inspire students under the Articles, The distinction between an ponder another and the other on the difference between through the analysis of two Articles 2 and indefinite pronouns between the common feature then from the indefinite article and the article migration between the different mentality out indefinite pronouns between two similar distinction.

例如，我在给学生们讲the other与another的区别时，我就先在another的&an&与&other&之间画一条竖线，然后启发学生根据冠词the、 an之间的区别去思考the other与 another之间的区别，即通过分析两个冠词与两个不定代词之间的共同特征，进而从不定冠词和定冠词之间的不同迁移思维出两个不定代词之间类似的区别。

The cultural conflicts existing in Chinese ancient city literature between essentials and nonessentials, between urban and rural areas, between justice and interest and between love and etiquette are still the basic cultural matrix of the Chinese city literature in the 20th century, but they only appear in the historical context that China is becoming modernize, and in the conflicts between traditional and modem cultures and Chinese and western cultures.

中国的传统文化本质上是农业文化、宗法文化，传统的城市文化浸淫在无边无际的乡村文化的大海之中，它虽然有不同于乡村文化的某些新质，但它并不构成与乡村文化的抗衡，城市不能成为一种新的文化的堡垒，而只能成为连接乡村文化的释站。中国近代城市的兴起

More important, ZHOU DUO REN's sensitivity to colorful city life and innervation rhythn make him not choose nowdays popular picture drawings and paint realistically writings, but choose abstract demonstrating manner style.

值得关注的是，对都市生活缤纷的色彩和动感的节奏的敏感使周多任没有选择当下流行的图示性绘画和写实语汇，而是选择了抽象表现性的表达方式。

Carry on structure analysis to the spare parts first, understand its structure characteristics to choose suitable semi-finished product and the semi-finished product manufacturing of the reasonable a craft thus;Then the technique request of spare parts carries on analysis, understanding it each process superficial accuracy grade and the surface rough degree, make it process the fixed position in the process and clip a tight way in assurance inside the scope of economic accuracy, draw up the machine of spare parts to process craft process thus and further, choose each work preface to process equipments and craft material, the assurance slices to pare dosage and craft size, computing the man-hour of each work preface settle sum.

首先对零件进行结构分析，了解其结构特点从而选择合适的毛坯以及合理的毛坯制造工艺；再零件的技术要求进行分析，了解其各加工表面的精度等级以及表面粗糙度，使其在经济精度的范围内确定加工过程中的定位和夹紧方式，从而进一步拟订零件的机械加工工艺过程，选择各工序加工设备以及工艺装备，确定切削用量以及工艺尺寸，计算各工序的工时定额。

Map-building, there are several plans to choose, you can choose to graph traversal method, which the storage structure of the plan is based on vertex adjacency matrix of the array and stored the.

详细说明：图的建立，有多种的图可以选择，也可以选择图的遍历方法，里面的图的存储结构是以顶点数组和邻接矩阵的方式存储的。

One of my Secrets of Adulthood is you can choose what you do, but you can't choose what you like to do.

我的"成年人秘密"中一条是你能选择做什么，但是你无法选择喜欢做什么。

Where to buy Air e-ticket passengers can be expected in the flight the day before take-off time 8:00 is expected to take off the first three-hour flight log on Air China, Thailand web site for the opportunity to choose the procedures, you can choose according to personal preference, seats, Print A4 boarding pass paper style.

凡购买国航电子客票的旅客可在航班预计起飞时间前一天8点至航班预计起飞前三小时登录国航中国、泰国网站选择网上办理乘机手续，就可以根据个人喜好自主选择座位，打印A4纸样式的登机牌。

You choose yours, I choose mine, maybe have same moving, but the more is different apperception, can you receive it?

你选你的，我挑我的，也许有相同的心动，也许更多的是不同的领悟，你会接受吗？？

So it was last week in Selma , alabama.

上星期在亚拉巴马州塞尔马市发生的事件也是这样一个转折点。

The group also spearheads various social programs in China.

该组织还带头参与中国的各种社会活动。