英汉词典

1.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。

2.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…

生川乌炮制后生物碱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碱性水解。

3.The products were identified TLC as monoester and diester.

反应产物经薄层色谱鉴定为单酯和双酯。

4.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。

5.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。

6.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。

7.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。