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maleic acid相关的网络例句

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Determination of tartaric acid and maleic acid by high performance liquid chromatography

它们分别由工业萘、三聚氰胺,经一定的酸、碱性条件下缩聚而成。

Primary by-products range from benzoquinone to maleic acid and oxalic acid.

中间产物主要为苯醌、马来酸、草酸等,

The additives are proved to be chemicals similar to a copolymer of styrene and maleic acid and stearic acid or its obtained from samples and the residues of chemically treated samples.

通过对原样品及酸化、碱洗样品的红外谱图分析和TGA分析,确定了相应的添加剂为类苯马聚合物和硬脂酸或其衍生物。

Conslusion: The method was simple, rapid, sensitive and accurate. It's suitable for determination of maleic acid in fumaric acid as food additives.

该法简便、快速、灵敏、准确,可用于食品添加剂富马酸中马来酸的检测。

Determination of maleic acid in fumaric acid as food additives by ion exchange chromatography

LLDPE虽与过去的LDPE同属于同-密度范围,但由于它们之间的分子结构不同,熔融流变学行为也不同,因此他们的物理基本性质及成型加工特点也不相同。

The main intermediates of phenol degradation were benzoquinone and organic acids such as oxalic acid and maleic acid and the final product was carbon dioxide,therefore the technique could be used as a waste minimization process for recycling the treated water.

苯酚降解的主要产物为苯醌、丁烯二酸和草酸,最终产物为二氧化碳,因此该工艺可用于有机物污染最小化处理和处理水的回用。

In the recent years, the company has developed series of the down-stream derivatives of P/O-Chlorotoluene, i.e. 3,000 t/a O- Chlorobenzaldehyde and O-Chlorobenzyl Chloride, 3,000 t/a P- Chlorobenzaldehyde and P-Chlorobenzyl Chloride, 1,500 t/a 2.4- Di chlorotoluene etc. In addition, there is the by-product of 30,000t/a of chlorhydric acid (31-33%). In 2008, the company invested 80 mln yuan, to build the project with 25,000t/a of Maleic Acid by adopting the up-to-date in China technology, thus to improve the product range to a greater extent, and hence to sharpen its competitive edge.

近年来又发展了对、邻氯甲苯的下游衍生系列产品:3000t/a邻氯苯甲醛、邻氯氯苄,3000t/a对氯苯甲醛、对氯氯苄,1500t/a2,4-二氯甲苯等,另有副产盐酸(31~33%)30000t/a.2008年,公司投资8000万元,采用国内最先进的技术建成了25000t/a顺丁烯二酸酐项目,大大改善了公司的产品结构,提高了企业的竞争能力。

OH radicals produced by ultrasound in aqueous solution attack phenolic cycle at adjacent or para position of the hydroxyl on phenol so that phenol is changed into small organic molecules such as muconic acid, maleic acid and ethane diacid. These small organic molecules will be oxidized to form carbon dioxide and water by.

苯酚超声降解的作用机理是,超声空化在水溶液中产生的·OH自由基进攻苯酚苯环上羟基的邻位或对位而使苯环断裂生成己二烯酸、顺式丁烯二酸和乙二酸小分子有机物而使苯酚得以降解,这些小分子有机物在·OH自由基的进一步作用下最终被氧化成CO〓和H〓O。

Synthesis and performance of itaconic acid- maleic acid copolymer

由棕榈酸与甲醇酯化或棕榈油醇化,真空蒸馏而得。

Synthesis and performance of itaconic acid- maleic acid copolymer

性质: 一般可分为萘磺酸-甲醛缩合物和磺化三聚氰胺甲醛缩合物。

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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。