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This paper reports the character,advantage and suitable range of copper hydroxide as fungicide.

本文简述了氧化铜作为杀菌剂的性质、优点及适应范围,重点探讨了稳定态氧化铜的制备方法。

Preparation of THF using hydrogenation of furan and catalyzation of raney ni ;...

raney ni 催化呋喃加制备四呋喃的研究。。

A new recovery technology of solid waste was made which is from furfuryl alcohol production by furfural hydrogenization. When the solid waste is placed in a vacuum drying box, and is under lower negative pressure and at 130℃, the organic materials in solid waste can be distilled and then returned to the refining workshop to produce qualified furfuraldehyde and furfuryl alcohol. The remainder is mixed with soda ash and roasted in a reverberating furnace. The sodium chromate can be obtained by leaching. Rough cupric oxide is dissolved in nitric acid and cupric nitrate is obtained. A new catalyst was prepared by the above sodium chromate and cupric nitrate and used in furfuryl alcohol production.

将糠醛液相加生产糠醇产生的废渣置于真空干燥箱中,在较低的负压状态下保持130℃的温度,蒸馏回收废渣中的有机物,返回糠醇精制车间获得合格的糠醇与糠醛产品;剩余的固体废弃物与纯碱混合,在反射炉中焙烧,浸取获得铬酸钠水溶液;最后剩下的粗氧化铜溶于硝酸得到硝酸铜溶液;将铬酸钠溶液、硝酸铜溶液按一定比例混合,加入氨水搅拌,分离出的沉淀经传统方法焙烧活化、造粒制得新催化剂,回用于糠醛液相加生产糠醇。

Based on geometrical criteria, structural and dynamics characteristics of the hydrogen bonding network were analyzed.

根据键的图形定义,分析了键的结构和动力学特性。

School of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China)Abstract: Based on the theoretic calculation of crystal faces (001),(100),(010),(011),(110),(101) and (112) of gibbsite by CASTEP program, the relationship between unfold character of crystal face and chemical bond strength of surface of gibbsite was investigated.

摘 要:用剑桥连续总能量软件包程序,对氧化铝的各个经常显露面族的(001)、(100)、(010)、(011)、(110)、(101)和(112)面进行理论计算,分析氧化铝晶体的晶面显露特征与表面化学键力的关系。

It is found that from bond population calculation results, the bonding strength of Al—O bond of faces (011) and (011) of gibbsite are stronger than that of face (001). If the proportion of unfold of (001) surface is decreased and the proportion of unfold of (011) and (011) surfaces is increased to same possible extend, the bonding strength of Al—O bond of gibbsite would be more strong.

键布居分析结果表明,整体上氧化铝的(001)面的Al—O键的结合力不强,(011)和(110)面的Al—O键的平均键布居数较高,结合力较强;若小幅度降低(001)面的显露比例,并使(110)和(011)面较多显露,就有可能提高氧化铝表面的Al—O键的结合力。

The change rules of precipitation ratio, microstructure and particle size and the effect of oleic acid on the seed precipitation of sodium aluminate solution were investigated. According to these experimental results, the total energy and electronic structure of oleic acid locating on gibbsite (001) and face (100) with different modes were calculated, and the equilibrium and growth morphology of the systems were analyzed.

研究添加油酸杂质时,铝酸钠溶液分解过程中分解率、氧化铝产品的形貌和粒度的分布变化规律;计算以各种不同方式位于氧化铝的(001)和(100)面时油酸分子的总能量和电子结构,并分析各体系的平衡形态及生长习性。

School of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China)Abstract: The change rules of precipitation ratio, microstructure and particle size and the effect of oleic acid on the seed precipitation of sodium aluminate solution were investigated. According to these experimental results, the total energy and electronic structure of oleic acid locating on gibbsite (001) and face (100) with different modes were calculated, and the equilibrium and growth morphology of the systems were analyzed.

摘 要:研究添加油酸杂质时,铝酸钠溶液分解过程中分解率、氧化铝产品的形貌和粒度的分布变化规律;计算以各种不同方式位于氧化铝的(001)和(100)面时油酸分子的总能量和电子结构,并分析各体系的平衡形态及生长习性。

Calculation results indicate that the total energy increases when oleic acid is on the surfaces of (001) and (100) of gibbsite respectively. This can explain that the stability of systems decrease when there is some oleic acid on the surface of gibbsite. The calculation results of equilibrium morphology and growth habit show that the volume of growth crystal is larger when some oleic acids with "horizontal" mode exist on the surfaces (001) and (100) of gibbsite.

计算结果表明:油酸接近氧化铝(001)和(100)表面时,体系总能量升高,说明油酸的存在可降低体系的稳定性;油酸在氧化铝(001)和(100)表面上时,油酸分子呈"卧"式时,长大后晶粒体积大于无杂质存在的情况,而油酸分子呈"立"式时,长大后体积小于无杂质时晶粒的体积。

A glassiness wall barrier layer for resisting infiltration of hydrogen or hydrogen isotopic element and process for preparation which is used in stainless steel belongs to the protecting technology for metal surface.

一种不锈钢用阻同位素渗透玻璃质壁垒层及制备方法,属金属表面防护技术。

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I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里,举止就文雅一些,因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计,这件高贵的制服是香港本土制造,是我们第一套不配帽子的制服。

Do not 'inflate' your achievements and/or qualifications or skills .

不要 '夸大' 你的业绩或成果,条件或者技能。