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in solution相关的网络例句

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The results show that the decomposition rate of ammonium jarosite can reach 98.03% under the following optimum conditions, which are m m=0.381 41, temperature 60 ℃, liquid-solid ratio 21, reaction time 2 h. During the alkaline decomposition, the impurity elements, such as Zn, In, Cu, Cd, Pb, Sb, Sn and Ag are left in the residue, while As is leached into the pregnant solution as AsO43 with leaching rate of 83.36%.

结果表明:在 m m=0.381 41、温度60 ℃、液固比21、反应时间2 h的最优条件下,铁矾渣的分解率达到98.03%,而原料中的杂质金属,如Sn、Sb、Zn、In、Cu、Cd、Pb和Ag等绝大部分留在分解渣中,As则以AsO43的形态大部分进入溶液,浸出率达到83.36%。

DSC-TGA thermal analysis and XRD characterization results demonstrate that Fe is precipitated as Fe3O4 during alkaline decomposition of jarosite. The contents of Fe, In and Zn in decomposition residue are 38.81%, 0.23% and 12.89%, respectively. After selective leaching of In and Zn with dilute HCl solution, the iron concentrates obtained from magnetic separation can be used as raw material for iron smelting.

DSC-TGA热分析和X射线衍射分析结果表明:在NaOH分解过程中,铁矾渣中的铁主要以Fe3O4形式沉淀入渣;分解渣中Fe、In和Zn的含量分别为38.81%、0.23%和12.89%;经稀盐酸选择性浸出铟和锌后,进一步磁选富集可作为炼铁原料。

In this research, the spider silk from the major ampullate gland of native Nephila pilipes was collected via the forced-silking apparatus at the reeling speed of 3 m/min. The obtained silk was dissolved in hexafluoro-isopropanol. The influence of pH and temperature over the secondary structure of the silk protein in solution state was examined via Circular Dichroism. The effect of silk concentration and electrical field strength on the structure conformation of silk protein during film casting process was investigated via FT-IR. During the drying process, the increase of silk concentration and the presence of electric field tend to form β-sheet and β-turn. Finally, the dried film of silk protein was treated with different temperatures and cation solutions to study the post-treatment effects.

本研究所采用之蜘蛛丝蛋白质系取自本土品种人面蜘蛛之大囊壶腺体,以3 m/min之卷丝速度强迫取丝(forced-silking)收集蜘蛛丝,再将纤维溶於六氟异丙醇溶剂中配制成溶液,以圆二色光谱仪分析在不同 pH 值与温度条件下丝蛋白质在溶液中之二级结构变化,再将蜘蛛丝溶液以不同浓度及电场强度下乾燥成薄膜后,以傅立叶红外线光谱仪检测分析丝蛋白质在固体状态下之二级结构,最后以不同温度加温、离子溶液浸泡等条件对乾燥所得之薄膜进行后处理,并分析其二级结构之变化。

The results show that the rare earth element Ce can codeposit with cobalt-base alloy, and with increase of mass added of Ce in solution, the content of Co, Ni, Ce in alloy increases and the content of B decreases. Ce can increase plating rate of alloy in some range of content. The rare earth makes deposition potential mve in positive direction and polarizability decrease.

结果表明,在水溶液中稀土元素Ce可以与钴基合金实现共沉积,且随着镀液中Ce的浓度的增大,合金镀层中Ce、Co和Ni的含量逐渐升高,B含量降低;且Ce在一定范围内能够明显提高合金的沉积速度;稀土还使Co-Ni-B合金的析出电位发生了正移,减小了极化度。

Analogous complexes 3a" and 4a"= CpRu(PPh32, Ar = para-C6H4OMe containing methoxy group at the para-position of gem-diphenyl group were similarly obtained from protonation of the corresponding acetylide complexes via formation of vinylidene intermediate. But only complex 3a'= CpRu(PPh32, Ar2 = fluorenyl is stable in solution, and decomposed to unidentified complex when heated to reflux in THF. Deprotonation of complex 4a in the presence of base gives neutral acetylide complex 6a.

在两个相邻位置的苯基对位位置上接有一甲氧基的衍生物3a&和4a&也可利用类似的质子化反应合成,唯有错合物3a'= CpRu(PPh32, Ar2 = fluorenyl 可以稳定於溶液中,不会进行上述反应,如将其溶於四氢呋喃溶液加热至沸腾则会分解产生无法鉴定的化合物。

The either titrate in titration process is nodded, the affiliation of the chroma of the Ag+ in solution and titration agent bulk can determine by the potential of two electrode the value is obtained at the same time, thereby applicable is multivariate and corrective the content that the law gets ion of the avery kind of in mixing haloid ion by corresponding titration curve.

在滴定过程中的任一滴定点,溶液中Ag+的浓度和滴定剂的加入体积可由两个电极的电位测定值同时获得,从而可应用多元校正法由相应的滴定曲线求得混合卤素离子中每一种离子的含量。

Both three-dimensional chiral compounds have intriguing chiral channels, which are built up of homochiral intertwined double helices. The circular dichroism spectra of 1 and 2 in water have shown they are stable in solution, which document they will be significantly useful in asymmetric catalysis and chiral medicine.

以Keggin结构多金属氧酸盐为建筑单元,通过手性的铜-脯氨酸配合物作为模板剂构筑了2个基于Keggin结构多金属氧酸盐的3D纯手性化合物,化合物1和2是一对对映体,代表了世界上第一例3D手性多酸化合物,具有由同手性螺旋缠绕形成的手性孔道,水溶液中的圆二色谱表征这个3D手性化合物可稳定存在,显示这个物种可以在不对称催化及手性药物方面有潜在的巨大的应用价值。

To check the abilities of Zn uptake and accumulation of duckweed (Lemna minor Linn.), experiments of growth, Zn accumulation and SOD activitial response to Zn in plant duckweed were performed with fresh plant in vivo. The results showed that growth of duckweed was affected by 5 mg/L Zn treatmenat in solution, indicating better resistance to Zn.

为探询浮萍对水体Zn的吸收富集能力,为水体Zn污染的植物修复提供依据,采用水培方法对浮萍的Zn的吸收富集特性及生物量、抗性进行分析,同时也对Zn处理条件下,浮萍体内SOD酶活性变化进行了测定。

It is one of the characteristics that mark it off from the Patristic era, in which the same principles were, so to speak, in solution, and not crystallized in definite expression.

这是一个特点,马克,它从教父时代,在这同一原则,可以这么说,在解决方案,而不是结晶,在一定的表达。

To facilitate the applications of biologically functional protein in drug design, it is necessary to have a thorough understanding of their conformations and their interactions with the receptors. NMR spectroscopy has the unique ability to retrieve information about 3D structures of proteins and their interactions with the target proteins in solution. Many NMR techniques have been used to study a number of pharmaceutically important proteins and characterize their interactions with the targets. In this review, we will introduce these NMR methods and show how to utilize them for protein drug design.

为了设计具有生物功能性的蛋白质来当作药物,我们必须对其蛋白质结构与其受体在结合时的作用有完整清楚的了解,而核磁共振光谱具有独特的能力,可以获得溶液状态下蛋白质结构以及蛋白质与标的蛋白质交互作用间的资讯,目前已有许多核磁共振光谱技术运用到蛋白质药物的研究,并确认它们与其标的蛋白质间的作用模式,笔者将在本文中介绍这些技术,以及如何运用它们来获取重要资讯,俾设计蛋白质药物。

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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发,分析对称连杆曲线上鲍尔点的产生条件,提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品,年生产总值3000万美元,产品价廉物美、选料上乘、质量保证,深受国内外客户的青睐

The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.

血精的原因很,以良性病变为主。