戊醛

The effects of the mass ratio of polyvinyl alcohol and chitosan,the volume of acetum,the concentration of crosslinker on swelling ration are studied and optimized using orthogonal experimental method.

凝胶溶胀度随着聚乙烯醇与壳聚糖质量比、交联剂戊二醛浓度的增大而减小，随着溶剂醋酸溶液体积增加而增大

The ultrastructures of amyloplast development and proliferation in maize endosperm cell were observed using the method of glutaraldehyde-osmium tetroxide fixation.

采用戊二醛+锇酸双重固定法观察了玉米胚乳细胞淀粉质体发育和增殖的超微结构。

The ultrastructures of amyloplast development and proliferation in endosperm cell of maize were observed using the method of glutaraldehyde-osmium tetroxide fixation.

采用戊二醛+锇酸双重固定法观察了玉米胚乳细胞淀粉质体发育和增殖的超微结构。

After lentectomy through the pupillary hole, the epithelial cells at dorsal iris in Anuran tadpole of Bufo raddei Strauch can undergo transdifferentiation to regenerate a new lens. The morphological changes of lens formation from different regeneration stages were observed with both microcope and transmission electron microscope.

以无尾两栖类花背蟾蜍后肢芽期蝌蚪为实验材料，摘除其左眼晶状体，在再生不同时期固定，石蜡连续切片，苏木精-伊红对染，光镜观察，研究晶状体再生的组织来源；另外，选再生不同时期材料用戊二醛，锇酸固定，透射电镜观察，以研究晶状体再生组织的超微结构变化。

The left lens of Anuran Tadpole - Bufo Raddei Strauch Tadpole and Xenopus laevis Tadpole were removed when they had posterior limb bud. By decapitating and fixing it with Carnoy's fixation fluid in different days, by means of paraffin serial section and Hematoxylin-Eosin stain and by using the microscope to observe the microstructure of lens regeneration of Bufo Raddei Strauch Tadpole and Xenopus laevis Tadpole. By extirpating the left eye and fixing it with aldehyde and osmium acid , by using electron microscope to observe the ultrastructure of lens regeneration of Bufo Raddei Strauch Tadpole and Xenopus laevis Tadpole.

以无尾两栖类—以花背蟾蜍与非洲爪蟾后肢芽期蝌蚪为实验材料，摘除其左眼晶状体，在再生不同时期固定，石蜡连续切片，苏木精-伊红对染，光镜观察，研究晶状体再生的组织来源；另外，选再生不同时期材料用戊二醛，锇酸固定，透射电镜观察，以研究晶状体再生组织的超微结构变化。

This approach is based on the separation and quantitative measurement of specific fractions, such as polar, or polymeric compounds or individual components, inch as pentane or hexanal, which are known to be typically produced during autoxidation.

该方法以特殊组分的分离和定量测量为基础，例如极性的或聚合物，个别成分，如戊烷或已醛，是自氧化过程中的典型产物。

OBJECTIVE To study the bactericidal efficacy of glutaraldehyde,and its stability and change in pH value.

目的研究戊二醛杀菌效果、稳定性、pH值变化。

In this study, collagen films were crosslinked by two commonly used crossliking agents, namely glutaraldehyde and epoxy. The mass transfer characteristics of the crosslinked collagen films were determined using theophylline and benzocaine.

在本实验中，使用两种常见的交联剂－戊二醛（glutaraldehyde，简称GTA）以及环氧树脂来改质胶原蛋白薄膜，并选用两种药物：theophylline及benzocaine，来探讨药物在经过交联的胶原蛋白薄膜中质传系数的改变。

Result The immobilization conditions of bromelin were confirmed as follows: crosslinking with 0.4% glutaraldehyde at 38-44℃, pH 6.4, immobilization time of 4.5 h.

结果］确定菠萝蛋白酶固定化的条件为：0.4%戊二醛交联，温度38~44℃，pH值6.4，固定化时间4.5 h，最终产品的酶活为3900U/g，酶活回收率达80%。

There were 18 common components which are 2-pentylfuran,hexanoic acid,n-octanal,heptanol,nonenal,n-nonylalcohol,octanoic acid,methyl stearate,et al.

二者相同组分18个，分别是：2-正戊基呋喃、己酸、正辛醛、壬醛、正壬醇、正辛酸、硬脂酸甲酯等。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。