They are also used as the material of ether and ester surfactant.

The crystallization morphology and isothermal crystallization process were studied by means of polarized microscope and DLI ( Depolarized Light Intensity) for poly ( ether ester) block copolymers.

采用偏光显微镜和光学解偏结晶速率仪研究了嵌段聚醚酯共聚物的结晶形态和等温结晶过程。

Under this condition synthesizes the methylacrylic acid polyethylene glycol single armor ether ester ( MAAMPEA) the esterification rate to be possible to achieve 98.9%.

此条件下合成甲基丙烯酸聚乙二醇单甲醚酯（MAAMPEA）酯化率可以达到98.9%。

Poly ( ether ester amide) was prepared from caprolactam and poly ( ether ester) which was synthesized from polyethylene glycol and adipic acid.

用聚乙二醇与己二酸反应合成聚醚酯，再用聚醚酯与己内酰胺反应得到聚醚酯酰胺。

Influence of heat setting on the structure and properties of block poly ( ether ester) elastic fiber

热定型对嵌段聚醚酯弹性纤维结构与性能的影响

As a novel food with significantly physiological value, plant sterol ester has been widely used in food, medicine and cosmetic.

植物甾醇酯是2010年国家卫生部新批准的一种新资源食品，具有重要的生理学价值，已经被广泛应用于食品、药品、化妆品等领域。

Preparation of Nano-plant Sterol Ester by Oil-in-water Micro Emulsion Method

O/W型微乳法制备纳米植物甾醇酯

Currently, there were bio-synthesis method and chemical method for producing plant sterol ester.

目前，植物甾醇酯的合成方法主要有酶法和化学法。

This research paper is to address the current problems in the library calculator gathers management system inside Web OPAC and its in customer service esse.

本文研究内容是图书馆计算机集成管理系统中Web OPAC的现状及其在用户服务中存在的问题。

That essence is the notion in posse and in esse: and thus the world is itself the idea.

世界的本质就是自在自为的概念，所以这世界本身即是理念。

Objective To study the mental state of patients with hemorrhage from esophageal varices rupture and probe into the corresponding nursing measures.

目的研究食管静脉曲张破裂出血病人的心理状态，并提出相应的护理对策。

Preparation of esophageal carcinoma cDNA probe labeled with digoxigenin by reverse transcription reaction

逆转录法制备地高辛标记的食管癌cDNA探针

【 OBJECTIVE 】 To evaluate the clinical efficacy, safety and comfort of the painless endoscopic technique for the treatment of the esophageal probe dilation and stent placement in esophagostenosis.

目的评价无痛内镜下食管探条扩张术及支架置入术治疗食管狭窄的临床疗效、安全性和舒适性。

Nervous system of Onchidiidae is compsed of a esophageal nerve ring and mouth ball ganglia, and on the esophageal nerve ring attached to a thin white vagina fibrosa with connective tissue.

4种石磺神经系统都是由食道神经环和口腔神经节构成，在神经环上附着一薄层白色稍透明的结缔组织纤维鞘。

Sequence of retrograde P wave in V1 ( P-V1) and esophageal lead ( PE-) was observed by esophagus and V1 synchronization electrocardiogram.

同步记录食管与V1导联心电图，观察P波在V1（P-V1）及食管导联（P-E）的先后顺序。

It showed that on bipolar esophageal lead, P wave after electric pulse could be recorded clearly in 35% patients;

结果显示受检患者中35%能在双极食管导联中清晰记录到位于电脉冲波后的P波；

Results Sinus P wave recorded by bipolar esophageal lead consisted of right atrial potential and left atrial potential.

结果双极食管导联记录到的窦性P波由圆钝直立的右心房电位和尖锐高大的左心房电位组成。

Application of synchronous record with bipolar esophageal lead in cardial electrophysiological examination

双极食管导联刺激同步记录在心脏电生理检查中的应用

Objective To investigate the method of recording right atrial potential by bipolar esophageal lead and its clinical significance.

目的探讨双极食管导联记录右心房电位的方法及其临床意义。

Investigation of recording right atrial potential with bipolar esophageal lead

双极食管导联记录右心房电位探讨

Objective To investigate the effect of enlarging esophageal hiatus through central abdomen lengthened incisal opening in the proximal stomach cancer radical correction.

目的探讨经上腹正中延长切口扩大食管裂孔方法在近侧部胃癌根治术的应用效果。