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碘元素

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This part focus on morbid population of Lin Xiang Kingdom where is characterized by waterways net, high temperature and aquosity in Sun-Wu period. The research based on the latest excavated Changsha Zou Ma Lou Wu Jian(the Bambooslips Digging from Zoumalou, Zou Ma Lou Wood/Bamboo Scripts of Wu Kingdom at Changsha City today). The maladies appeared under such condition had a close connection with lepra, schistosomiasis which were also produced under such peculiar geographical environment. At the same time, the short of iodine element was part of the cause of some maladies, such as deafness, blindness and so on.

三地理环境与孙吴时期临湘侯国的疾病人口问题:拙文是以新近出土的长沙走马楼吴简所提供的史料为基础、以孙吴时期地处河网交叉、高温高湿环境下的临湘侯国的疾病人口问题为研究对象的;拙文认为:孙吴时期临湘侯国在高温高湿条件下所出现的疾病类型,与特殊地理环境中所出现的血吸虫病、麻风病有着密切的关系;同时,由于环境中碘元素的缺乏,也造成了聋耳、盲目等疾病的发生。

A compound of iodine with a more electropositive element or group.

碘化物碘与带更多''。'正电'。''的元素或原子团生成的化合物

Experimental process: jing and 3- methyl -2- methyl ethyl ketonesynthesizes by the benzene zong; Again the glacial acetic acidcatalysis produces 2, 3, 3 - trimethyl - 3H - yinduo; Again has thealkylate response production yinduo iodide after the methyl iodide;The iodide takes off molecular HI under NaOH to become freejier thealkali; Adds 5 - nitryls salicylic aldehydes in the ethyl alcohol forthe solvent under if to respond finally produces 6 '- the nitryl yinduolin spiral benzene and pinan; Through the infrared spectrum andthe ultimate analysis irrevocably proved its structure, and studiedthe annulus with to open the annulus the light to send changes colorthe performance, explained in different solvent medium ultravioletabsorption spectrometry solvent effect, and the comparisondiscoloration the response speed number difference, finally mixed itadds to the methyl methacrylate, the peroxidation benzoin formyl in the plexiglass, tested 6 '- the nitryl yinduolin spiralbenzene and pinan in the glass fatigue resistance, thethermostability.

实验过程:由苯肼和3-甲基-2-丁酮合成腙;再冰醋酸催化生成2 ,3 ,3—三甲基—3H—吲哚;再经过碘甲烷发生烷基化反应生成吲哚碘化物;碘化物在NaOH下脱去一分子HI成为费歇尔碱;在乙醇为溶剂下加5-硝基水杨醛与其反应最后生成6'—硝基吲哚啉螺苯并吡喃;通过红外光谱和元素分析确证其结构,并研究了环体与开环体的光致变色性能,解释了在不同溶剂介质中紫外吸收光谱的溶剂效应,并比较褪色反应速率数的差异,最后将其掺加到甲基丙烯酸甲酯,过氧化二苯甲酰有机玻璃中,测试6'—硝基吲哚啉螺苯并吡喃在玻璃中的抗疲劳性、热稳定性。

In addition to iodide and iodate, another iodine compound could be separated and detected in certain samples with high total iodine concentrations and was identified as elemental iodine, probably in form of triiodide, by peak matching.

在碘化合物总浓度很高的特定样品中,除了碘化物和碘酸盐,其他的碘化合物也可以被分离和检测,其通过峰匹配以三碘化物形式被做为元素碘检出。

Surface-modified lead iodide nanorods were synthesized by one-step room temperature solid-state reaction of lead nitrate with potassium iodide in the presence of a nonionic surfactant, polyethyl- ene glycol.

以硝酸铅和碘化钾为原料,在体系中添加表面活性剂聚乙二醇,采用一步室温固相化学反应制备出聚乙二醇表面修饰的碘化铅纳米棒,利用X射线衍射,红外光谱,透射电子显微镜,扫描电子显微镜,热分析和元素分析等手段对其进行了表征。

An analytical method for the determination of microelement Tl and Na in CsI crystal by ICP-AES was proposed.

本文建立了电感耦合高频等离子体原子发射光谱法对碘化铯晶体中的铊和钠元素的直接同时测定方法。

In addition, even ordinary vegetables and cereal products, also contain iodic element.

此外,即使是普通蔬菜和谷物产品,也含有碘元素

Meanwhile, CuiGongHao also found in coastal areas, people often eat seafood food itself contains rich iodic element.

与此同时,崔功浩还发现,在沿海地区,人们常吃的海鲜类食品本身就含有丰富的碘元素

This research mainly adopts experiment, survey questionnaire, interview method, the experimental chemistry of several typical topic such as "separation of iodic element of kelp and inspection" and the properties of aluminum compounds "toothpaste and match in some ingredients" sodium nitrite and identification of salt experimental subjects were studied.

本研究主要采用实验法、调查问卷法、访谈法,对《实验化学》中的几个典型课题如&海带中碘元素的分离及检验&&铝及其化合物的性质&&牙膏和火柴头中某些成分的检验&&亚硝酸钠和食盐的鉴别&等实验课题进行研究。

Seafood also contains iodine, which is good for your thyroids.

食用海鲜还可以补充对甲状腺有益的碘元素

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采用不同浓度K2CrO4(0,0.4,0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗,测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

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