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The salt-out extraction process is used to deal with the waste acid from benzol refining .

试验采用盐析萃取工艺对焦化精苯废酸进行处理回收,结果表明,在一定的比例下可获得最佳萃取分离效果,酚相萃取液可进行二次利用,回收的净化酸可用于硫铵制备。

This website provides a searchable and browsable database containing 46,035 abstracts published in Population Index in the period 1986-2000. Issues before 1985 are available at .

这个网站还有一个可检索和可浏览的数据库,这个数据库包含了46035条1986-2000年在人口索引中发布的摘要。1985年及其以前的卷可在如下网址获得:。

After that, the model is validated safety and reliable by using the State Matrix Equation of the Petri network. According to the theory that the State Topological Map of Petri Network and Markov chain are isomorphous, the Markov chain of the model is deduced, by which some function indexes such as marked density of probability, average token-number, and usage of transformation can be calculated.

同时,本文运用Petri网系统的状态矩阵方程的方法对模型进行了可达性验证,经验证该模型是安全可达的,并根据随机Petri网的状态图同构马尔可夫链的原理,获得该模型的马尔可夫链,运用该MC链分析了模型的标记概率密度、位置中的平均标记数以及变迁的利用率等性能指标。

In the second step,ion metathesis goes along well and a conversion as high as 85.1% can be obtained without solvent.

在第一步季铵化反应过程中,不加热不添加任何有机溶剂,可获得高达96.5%的转化率;在第二步离子交换反应中,不加溶剂反应照样进行,转化率可达85.1%。

Taking the active network as a research task, the input accessibility, the Coates graph of matrix and graph transmission etc are used to analyze the relation between reducibility of the coefficient matrix of the state equation and the electric separability of the network or the electric accessibility of the network for the first time, acquiring sufficient and necessary conditions that coefficient matrix of the state equation is reducible. Network Graph Theory, Matrix Theory and System Theory over F etc are used to derive the structural controllability criterion of the passive network over F for the first time. Then according to these theoretic results, the structural controllability problems of the active network over F are studied, acquiring several structural controllability conclusions of the active network.

率先将状态方程的输入可达、矩阵的Coates图、流图传输系数等概念和方法引入到对F上有源电网络的研究,研究了网络状态方程的系数矩阵的可约性与网络电气可断性或电气可达之间的关系,研究了F上有源电网络的能控性问题,获得了状态方程的系数矩阵可约的充分必要条件、F上有源电网络系统的结构能控性判据等新的结论。

It is an environment-friendly precision casting process, will be the shape of complex, high-precision castings, to reduce the weight of casting, which is the traditional method of unparalleled sand casting from the viewpoint of product quality can be completely replaced by sand casting resin.

它是一种环保型的精密铸造工艺,可获得形状结构复杂、高精度铸件,可减轻铸件重量,这是传统砂型铸造方法无可比拟的,从产品质量上看可完全取代树脂砂铸造。

One is low valence vanadium oxide thin films were deposited by direct current facing target magnetron sputtering firstly, and then thermal oxidated; the other is high valence vanadium oxide thin films were deposited by ion beam sputtering, then thermal deoxidated. Vanadium oxide thin films with phase transition were obtained at the lower thermal process temperature 300℃, which is compatible with MEMS technologys. The composition of VO_x thin film fabricated by first method includes mainly VO_2, V2O3 and VO_, the TCR is -2.25%/K, the TCR gradually increases with phase transition temperature decreases. The composition of VO_x thin film fabricated by the second method includes mainly VO_2, V2O5 and V2O3 , and the resulting VO_x thin filmTCR is -3.0%/K. The TCR of phase transition vanadium oxide thin films made by second method is higher than that made by first method for the existance of V2O5 in thin films.

分别采用直流对靶磁控溅射制备低价态氧化钒薄膜再附加热氧化处理的方式,和射频离子束溅射制备高价氧化钒薄膜附加热还原处理的方式获得了具有相变特性的氧化钒薄膜,第一种方式获得相变特性氧化钒薄膜的热处理温度最低为300℃,克服了以往高温条件下热处理不能与MEMS工艺兼容的缺点;相变特性氧化钒薄膜的组分以VO_2为主,含有V2O3和VO_,室温TCR为-2.25%/K;室温电阻温度系数随相变温度的降低逐渐升高;采用第二种方式获得的相变氧化钒薄膜的组分以VO_2为主,含有V2O5和V2O3,室温TCR可达-3.0%/K;分析发现,具有相变特性的氧化钒薄膜中含有V2O5时,室温电阻温度系数明显增大。

The experimental results showed that with the addition of hydrophilic ion-type reactive comonomer,latexes with particle size of about 0.6μm can be obtained and the solid content of stable latexes can reach as high as 60%,showing Bimgham flow characteristics.

实验结果表明,带亲水性离子基团可共聚单体AHPS的加入可获得0.6μm左右的乳胶粒,乳液固含量可达60%,表现粘度测定结果表明乳液呈Bingham流体。

Please not that a 250 mm wide die opening will produce a film or sheet with less width since you have a "neck in" effect when you pull out the melted resin from the die before it reaches the surface of the chill roll. the width you can achieve depends on the melt strength of the resin as well as the distance between the die lip opening and the chill roll. but in general, about 80% of the die opening width can be achieved.

注意:250毫米宽开口的模头只能获得小于此宽度的薄膜或片材,因为当熔体树脂被从模头拉至冷辊上时会产生&颈缩&效应,最终获得的实际宽度依赖于树脂的熔体强度以及模唇开口同冷辊之间的距离,但总而言之,可获得模头开口宽度80%的产品宽度。

Actually it is three – the student will also receive a Diploma Culinaire from Le Cordon Bleu – this is not promoted in the prospectus, but is awarded to the student.

事实上是三个,学生同时还可以获得法国蓝带学院的厨艺餐饮大专文凭。这个在说明书中并未注明,但最后学生可获得这个文凭。

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推荐网络例句

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。

You rap, you know we are not so good at rapping, huh?

你唱吧,你也知道我们并不那么擅长说唱,对吧?