英语人>网络例句>化为 相关的搜索结果
网络例句

化为

与 化为 相关的网络例句 [注:此内容来源于网络,仅供参考]

In a DMF solution of CuCl〓-ethanolamine-acetic acid (1: 2: 2), 27 formed a highly oxidized heterocyclic compound 2-hydroxymethyl-naphtho [1, 2-a] oxazole (30) by the carbon-nitrogen coupling and carbon-oxygen coupling with the ligand of ethanolamine, which brings a chance to develop a novel approach to this heterocyclic compound via one-pot reaction of phenols under mild condition.

在氯化铜—乙醇胺—乙酸(1:2:2)的DMF溶液中,27与配体乙醇胺发生碳氮偶合与碳氧偶合,生成深度氧化的杂环化合物:2-羟甲基-萘并[1,2-a]〓唑(30)。这可望为酚类一锅化直接转化为30及其类似物提供一种简便的新合成路线。

Under condition of different temperature and sulphur consumption, the brown coal and gypsum can promote oxidation of sulphur,the oxidational rate of sulphul is the highest under the condition of applying brown coal and gypsum;The sulphur is oxidized for SO42~ the oxidational rate of sulphur during 0-15 days' incubtation was the highest on the whole,reach the maximum basically within 30 days,up to the extension of time,SO42"""" the content is reduced to some extent;Final SO42 -content, Ig sulphur / kg treatment of soil greater than 0.5g sulphu/kg treatment of soil,become multiple increase,the sulphur is higher than the room temperature in the efficiency of oxidizing of 30 degrees Centigrade (10-20 degrees Centigrade).

在不同温度和硫磺用量的条件下,褐煤与石膏对硫磺的氧化有促进作用,其中褐煤与石膏配合施用对硫磺氧化的促进作用最大;在硫磺氧化为SO_4~(2-)的过程中,0-15天内氧化速率最大,30天内基本达到最大值,随时间的延长,SO_4~(2-)含量有所降低;硫磺在30℃的氧化效率高于室温(10-20℃),在1克硫磺的处理中,30℃时最大SO_4~(2-)的含量是室温(10-20℃)的1.24倍,在0.5克的处理中有同样的规律,30℃时SO_4~(2-)的含量是室温的1.6倍。

The bending problem of simple-supported parallelogrammic plates on Winkler foundation is reduced to two simultaneous Fredholm integral equations of the second kind by applying Green quasifunction method. The Green quasifunction is set up by using the fundamental solution of Poisson equation and the normalized boundary equation.

应用准格林函数方法,即利用方程的基本解和规范化的边界方程构造一个准格林函数,将Winkler地基上简支平行四边形薄板的弯曲问题化为两个耦合的第二类Fredholm积分方程,此积分方程的核表示式在区域的边界上具有奇异性。

The components involving slag composition are divided into 2 categories, namely ① quadribasic series SiO2-CaO-MgO-Al2O3, base salinity variation being 0.9~1.3;② range of of ferric oxide is FeO 1%~7%, magnesia MgO, and base salinity is fixed at 1.08 pentabasic system SiO2-CaO-MgO-Al2O3-FeO slag.

研究的炉渣成份主要分成两大类,分别是①四元系列的SiO2-CaO-MgO-Al2O3,盐篡度变化为0.9~1.3;②氧化铁范围为FeO1%~7%,氧化镁MgO,盐基度因定为1.08的五元渣系SiO2-CaO-MgO-Al2O3-FeO炉渣。

Phosphorus and copper resources and techniques advantages are available in Yunnan, providing good conditions to carry out the production of phosphori...

本文在论述磷铜生产原理的基础上,对磷铜生产过程作理论分析,在工业装置上,经过长期试验,采用脱水黄磷为原料,在催化剂下通过感应加热来实现磷铜合成过程,少量逸出磷回收为磷酸,磷铜液粒化为粒状产品,由于合成反应速度快,磷收率高,生产环境好,属清洁化生产工艺,生产过程安全性高。

The author presents the theory of option of com plex based on systematic theory and the idea of "city for all " with democrati za tion as nucleus.

提出了以系统论为基础的群体优化理论和以民主化为核心的&共有城市&思想。

Front has the chest back board not to reach the wing substrate, the body by the branching or the plumose wool, latter often specializes fully for gathers the pollen the structure bee class.

有前胸背板不达翅基片,体被分枝或羽状毛,后足常特化为采集花粉的构造的蜂类。

When some assumptions are satisfied, the nonlinear system can be converted to the polytopic LPV system by a certain kind of nonlinear state feedback, based on which, the control law can be designed by LPV control techniques.

当满足一定条件时,通过引入给定形式的非线性状态反馈将该类非线性系统化为polytopic LPV系统,进而可以采用LPV控制方法进行控制律设计。

XRD indicated that the replacement of the terephthalate anion by the polytungstate anion had little effect on the structure.

结果表明,经过同多钨酸根阴离子的交换以后,垂直于水滑石层板方向的平行层板方向的晶格参数值变小,平行层板方向的晶格参数值不变,(003)、(006)、(009)衍射峰处的层间距值比为3:2:1;交换过程没有改变水滑石的结构,水滑石原位生长在γ-Al2O3表面及内孔,比表面积由γ-Al2O3载体的219m2/g增加到247m2/g,孔径分布则由原来的2~11nm变化为3~4nm。

XRD indicated that the replacement of the terephthalate anion by the polytungstate anion had little effect on the structure.

结果表明,经过同多钨酸根阴离子的交换以后,垂直于水滑石层板方向的平行层板方向的晶格参数值变小,平行层板方向的晶格参数值不变,(003)、(006)、(009)衍射峰处的层间距值比为3:2:1;交换过程没有改变水滑石的结构,水滑石原位生长在γ-Al2O3表面及内孔,比表面积由γ-Al2O3载体的219平方公尺/g增加到247平方公尺/g,孔径分布则由原来的2~11nm变化为3~4nm。

第63/98页 首页 < ... 59 60 61 62 63 64 65 66 67 ... > 尾页
推荐网络例句

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm~150rpm时取得最大值,此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世,形体几无变化。

When I was in school, the rabbi explained everythingin the Bible two different ways.

当我上学的时候,老师解释《圣经》用两种不同的方法。