英语释义

1. a compound containing two ester groups

片语

Diester Applications双酯的应用

phthalic diester邻苯二甲酸酯

biphenyl diester联苯双酯

Diester grease合成二酯润滑脂

diester linkage二酯键

methylene diester甲叉二酯

ferrocene diester王茂铁双酯

Cyclic Diester交酯

sulfosuccinate diester磺基琥珀酸双酯钠盐

英汉例句

• Nonylphenol polyoxyethylene ether was esterified with maleic anhydride and then sulfonated with sodium bisulfite to form nonylphenol polyoxyethylene ether sulfosuccinic acid diester sodium salt.

  以壬基酚聚氧乙烯醚为原料，与顺酐酯化再与亚硫酸氢钠磺化，合成了壬基酚聚氧乙烯醚琥珀酸双酯磺酸钠。

• Objective: to detect expression of interleukin - 23 (il - 23) and il - 12 subunits in various leukemia cell lines and evaluate the ability of phorbol diester to up - regulate the subunits expression.

  目的：检测人白细胞介素-23 (IL-23)和白细胞介素-12 (IL-12)亚基在各类白血病细胞系中的表达并探讨佛波二酯对IL-23和IL-12亚基表达的调控作用。

• The invention also relates to diester preparation and the use thereof as base oil of lubricating oil.

  本发明还涉及由此制备的二元酸酯制剂及其用作润滑油基础油的用途。

• PSS is one kind of sodium amylase diester sodium that takes sodium alginate as raw material, which has the characteristic of anti-cruor, reducing the viscidity of blood fat and blood.

  PSS是以海藻酸为原料研制的一种褐藻多糖双酯钠，具有抗凝血、降血脂和降低血液粘度的作用。

• The present invention relates to a method for preparing long-chain dibasic acid diester by using long-chain dibasic acid produced by fermentation process.

  本发明涉及一种长链二元酸双酯的制备方法，尤其是一种用发酵法生产的长链二元酸制备长链二元酸双酯的方法。

• Carbon monoxide and nitrous acid ester are synthesized through coupling reaction into diester carbonate in the presence of catalyst and at relatively low pressure and temperature.

  一种碳酸二酯的合成方法，通过一氧化碳和亚硝酸酯在催化剂存在下，用较低的压力和较低的温度偶联合成碳酸二酯。

• The modification of synthesizing processes of phosphates with P2O5 and testing method of the content of monoester and diester were introduced briefly.

  简要介绍了使用五氧化二磷作为磷酸化试剂合成磷酸酯的工艺过程改进，以及磷酸单双酯含量检测的常用方法。

• After processing of crude aconite roots, most of the diester diterpenoid alkaloids converted to the monoester form, while C8 was the major location for such reaction. It is a ty…

  生川乌炮制后生物堿大多数由双酯型水解转化为单酯型，水解反应最容易发生的位置在C8位，水解反应的类型是烷氧键发生断裂的酯的堿性水解。

• The present invention relates to a succinic diester polymer which is used in the preparation of water-in-oil macroemulsions.

  本发明涉及一种用于制备油包水粗乳液的琥珀酸二酯聚合物。

• METHODS: The contents of total alkaloids, diester diterpenoid alkaloids and polysaccharides were measured by acid dye colorimetry, HPLC and sulphuric acid-anthrone colorimetric method respectively.

  方法：采用酸性染料比色法测定附子总生物堿含量，反相高效液相色谱法测定双酯型生物堿含量，蒽酮-硫酸法测定多糖含量。