酯

An expert panel investigated the effects of the product in cigarette, the results showed when the dosage was in 5~10 μg/g, the glucose esters could improve and smooth the flavour quality of cigarette, and reduce irritancy greatly, etc.

产物的烟草加香作用评价结果表明：添加二元羧酸葡萄糖酯后，卷烟的香气量显著提高，杂气明显减少，烟气细腻柔和程度也有一定改善，可见二元羧酸葡萄糖酯在烟草应用方面具有良好的应用前景。

This paper studied competing reaction parameters of isocyanate with alcohol and water at room temperature based on its independent reaction.

摘 要：本文基于异氰酸酯分别与醇和水的独立反应，研究求解了异氰酸酯在室温下与醇和水的竞争反应参数。

When the concentration of alcohol is same with the water, there is 77.89% consumed isocyanate reacted with water. When the concentration of water is 2 times as alcohol, more than 90% isocyanate reacted with water.

当体系中醇与水的浓度相同时，反应了的异氰酸酯基中有77.89%与水反应；当体系水的浓度是醇的2 倍以上时，将有90%以上的异氰酸酯基与水反应。

The reactions of isocyanate with alcohol or water are the key basic reaction for isocyanate bonding to wood.

异氰酸酯分别与醇和水的反应是异氰酸酯对木材胶接固化反应的核心基础反应。

The IR spectra of poly isocyanate curing agent with different content of TDI trimer was measured and analyzed.

对不同TDI三聚体含量的多异氰酸酯固化剂的红外光谱进行了测定，采用偏最小二乘法对所得到的红外光谱进行分析，测定了多异氰酸酯固化剂中TDI三聚体的含量，该方法简单快速，结果可靠。

The theoretical deduction and many experiments discovered that reaction of isocyanate with water is second order in room temperature, and the water and isocyanate are first order to the rate respectively.

通过理论推导和大量实验证明，室温下异氰酸酯与水的反应可以使用准二级方程描述，水和异氰酸酯基的分级数都是1。

The curing reaction of cationic polyacry-lates with blocked isocyanate s and amino resin was studied.

合成了阳离子型聚丙烯酸酯树脂，并分别用封闭型异氰酸酯及氨基树脂对其交联固化。

The synthetic technology of moisture curing isocyanate adhesive and adhesive technology .bonding mechanism for high moisture content wood were studied in this paper.

本论文对用湿固化异氰酸酯胶粘剂的合成工艺、湿固化异氰酸酯胶粘剂与高含水率木材的胶接工艺以及高含水率木材的胶接机理进行了研究。

Objective To study the stability of ligustilide and the inclusion process in β-cyclodextrin to avoid its isomerization.

目的 考察藁本内酯的稳定性，并采用β-环糊精包合，避免藁本内酯的异构化。

It was showed that transdermal transit dose in vitro of these drugs was increased by isopropyl palmitate, especially for lipophilic drugs.

为进一步了解棕榈酸异丙酯对药物经皮渗透的影响，本文选取四种不同脂溶性的药物分别考察了不同浓度棕榈酸异丙酯对这些药物体外经皮渗透性的影响。

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。