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CALORIMETRIC TITRATION FOR COORDINATION REACTION OF 2, 3-BENZO-8, 11, 15-TRIMETHYL-18-CROWN-6 WITH ALKALI AND ALKALINE EARTH METAL IONS

若干碱金属及碱土金属离子与2,3-苯并-8,11,15-三甲基-18-冠-6配位反应的量热滴定研究

In run A, 300 g of rice was sterilized together with 300 ml de-ionized water in an autoclave.

在跑步A中,被连同300 ml从-消毒使稻子的300 g形成离子在一个压热器中水。

In the fourth chapter, four new complexes of hydrazide of podophyllic acid with transition metals have been prepared. Elemental analysis, molar conductivity, IR,〓 NMR and TG-DTA were used to characterize them. The results show that general formula of the complexes is M〓(n=0 or 2). The ligand is linked through the carbonyl oxygen and the terminal nitrogen of the hydrazide base to the transition metal ions in bidentate mode.

第四章 合成了四种鬼臼酰肼的过渡金属配合物,通过元素分析、摩尔电导、红外光谱、核磁共振氢谱和热重-差热对配合物进行了表征,研究结果表明,配合物的组成为M〓(n=0或2),配体是通过羰基氧和肼基上的端氮以双齿形式与金属离子配位的。

It can stimulate neurotropic receptor to powerfully motivate Transient Receptor Potential Ion Channels which are the vanguard of Cell Sensory Systems to mediate sensory transduction, responding to temperature, touch,pain, sweet, bitter, taste, osmolarity, pheromones, warmth, heat, cold, stimulus and hypertonicity.

它可以刺激神经受体有力地激发瞬间受体电位离子通道,这是先锋的细胞感觉系统来调解感觉传导,反应温度,触摸,疼痛,甜,苦,味道,渗透压,信息素,暖,热,冷,刺激和肌张力亢进。

The results have shown that P-RE-USY has good hydrothermal stability owing to the migration of hydroxy rare earth cation from the super cages to the sodalite cages enhanced by phosphorus addition, inhibiting the frame...

结果表明,由于磷促进了稀土离子由超笼向方钠石笼中的迁移,阻止了沸石在水热条件下的脱铝作用,从而改善了P RE USY沸石的水热稳定性;P RE USY沸石酸性分布更集中在中强酸范围,有利于发生氢转移反应,而强酸数量的降低有利于减少焦炭形成,改善了焦炭选择性。

The extraction and stability of the pigments in Tussilago farfara L. were studied. The experimental results showed that the pigments could be solved in acetone. The stability of the pigments is good when pH is within 3~9; the oxidizing agents, reducing agents and common food additives have little influence on its stability; it is react too much with Fe(superscript 3+) ion, and Na(superscript +) ion showed a certain increment effect on the color; the heat performance of the pigments is good when under 60℃.

研究了款冬花色素的热稳定性、氧化还原稳定性和pH值稳定性,并对常用的几种食品添加剂对款冬花色素的稳定性进行了探讨,结果表明:款冬花色素易溶于丙酮,属于脂溶性色素;在pH=3~9时,款冬花色素的稳定性较好;氧化还原剂及食品添加剂对其稳定性影响不大,Fe(上标 3+)金属离子对其影响显著,Na有增色作用;水浴温度在60℃以下色素的热稳定性较好。

The first part is to synthesize 5-formyl -8- quinolinol from 8-uinolinol and chloroform , using ethanol as a solvent. Then analysizing the 5-formyl-8-quinolinol by IR. The second part is , according to ideas of molecule designing, to synthesize the new self-assembly Inorganic-Organic coordination polymers Co(u2-bpyV2O6,(C4H4N2)Ni2(H2O)2-V4Ol2,(Cl2Hl2N2)Co-V2O6 using Cu, Ni, and Co as templating, 4-cyano-pyridine(4-CNPy), 4,4-bipyridine,pyrazine, l,2-bis(4-pyridyl)ethane, 5-formyl -8- quinolinol as building blocks and Ammonium Metavanadate (NH4VO3) as subordinate building blocks by Hydrothermal , analysizing their content of element determining their structures by X-Ray diffraction.

本课题实验分为两部分:一是配体的合成,以8-羟基喹啉、三氯甲烷为原料,以乙醇为溶剂,合成了5—甲醛基—8羟基喹啉并且对其进行了IR的分析测定;二是配位聚合物的合成,通过分子设计,采用溶剂热法以Cu、Ni、Co为中心离子,以5—甲醛基—8羟基喹啉、4,4-联吡啶、吡嗪、1,2-二吡啶基乙烷为配体,以偏钒酸根(VO_3~-)为辅助配体,通过水热法自组装合成了新的3-D网状结构配位聚合物Co(μ_2-bpy)V_2O_6,(C_4H_4N_2)Ni_2(H_2O)_2·V_4O_(12),C_(12H_(12)N_2Co·V_2O_6,并对其进行了元素分析和晶体结构的测定。

We review the dark decay of the electronic holographic phase grating before thermal fixing, and deduce the general analytic expression of the lifetime of thermal-fixed ionic holograms in the photorefractive crystal, by means of analogizing.

通过类比的方法,由热固定前的电子体全息相位栅的暗衰减得出了热固定后离子体全息光栅的衰减规律及其寿命的一般解析表达式。

The GIBS scheme can raises the phase transformation temperature to 850℃ and the agglomeration temperature to 800℃.

而GIBS制程达到晶相转换温度850℃与结块温度800℃的效果,其热稳定性比未做Ge布植的矽化镍与高了100℃,猜测其原因为高浓度的Ge在矽化镍/矽的界面聚集,平衡了在界面上的应力,使得热稳定性提升,除此之外,从TEM图中还可发现Ge离子布植提升了矽化镍的界面平坦度。

The structure of the thin film capacitor 1 of this invention is: form sequentially at least the bottom electrode layer 102, the high dielectrics constant oxide film 103 and the upper electrode layer 105 on the semiconductor substrate 101; said upper electrode layer 105 which is a film layer 104 formed by the electrical conductive material which is processable by reactive ion etching, or a multilayered film composed of two kinds of film layers 107 and 108, which are each formed of a conductive material which is processable by at least two kinds of reactive ion etching.

要约 薄膜电容器1是至少在半导体基片101上按顺序形成下部电极层102、高介电常数氧化物膜层103、上部电极层105而构成的薄膜电容器,该上部电极层105由一种仅由可用反应性离子刻蚀加工的导电性材料形成的膜层104,或至少两种由可用反应性离子刻蚀加工的导电性材料分别形成层状的多层膜层107和108构成;经历350℃的热试验之后,对该薄膜电容器1施加OV到2V的驱动电压的薄膜电容器漏电电流密度为1×10 -8 A/cm 2 以下。

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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。