玻璃化的

Based on the fact that the volumetric expanding coefficient of the amorphous macromolecule powder during glass transition process experiences a rapid change and by means of dilatometer technique,a new method of measuring the glass transition temperatures of amorphous macromo...

基于非晶态高分子粉体的体膨胀系数在玻璃化转变时发生突变的原理，采用热膨胀计技术，提出了一种用膨胀计测量非晶态高分子粉体玻璃化转变温度的新方法——膨胀计法，并建立了相应的测量装置。

For household users to establish simple antifreeze dilution disposal ways of applying gender-controlled embryo freezingly-preserved technique by one-step vitrification dilution method,A,B,and C structure approaches of liquid layers in canaliculi were applied to investigate their survival capacity after embryos freshly-split by one-step dilution;and minimum capacity refrigerant method in specific canaliculus and above structure approach of liquid layer B were also applied to compare their survival capacity of frozen and melted embryos freshly split,and frozen and melted IVF embryos splited by one-step dilution.

为了创立在用户庭院就能应用的玻璃化保存性别控制胚胎的冷冻剂稀释处理方法，采用细管内3种不同液体层构成法，对新鲜分割胚一步法稀释后的存活能力进行了研究；其次用特定细管最小容量冷却法与上述3种不同液体层构成中效果较好的B法对玻璃化冷冻溶解的新鲜分割胚、体外受精分割胚及冷冻溶解的体外受精分割胚进行一步法稀释后的存活能力予以对比。

Results:Tissue engineered artificial tendon materials of vitreous cryopreservation and non-vitreous cryopreservation in two groups were observed using a scanning electron microscope.At the 2nd week,materials presented a reticular formation and there were juvenal tendon cells among materials.

目的：观察分析玻璃化冷冻保存组织工程化人工肌腱动物体内移植后的超微结构变化特征，探索组织工程化人工肌腱体内移植后的生物学反应和肌腱修复效果，为组织工程化人工肌腱的玻璃化冷冻保存和应用提供重要的理论和实验依据。

The method of vitrification cryopreservation of mouse 2-cell embryos was studied. Several vitrification solutions named EFS30, EFS40, EDFS30 and EDFS40 were prepared. The solution contains ethylene glycol, Ficoll, sucrose and DMSO. Straw method was used to vitrify and cryopreservate in vivo mouse 2-cell embryos at room temperature (20℃ or 25℃). OPS method was used to vitrify the embryo at 25 ℃ or 37℃.

本试验以毒性低、渗透性较强的乙二醇和DMSO为主体，添加聚蔗糖、蔗糖配制的玻璃化溶液(EFS30、EFS40、EDFS30和EDFS40)，在室温(20℃和25℃)下利用细管法，以及在25℃和37℃恒温台条件下OPS法对小鼠2-细胞胚胎进行玻璃化冷冻保存，并对解冻后胚胎的体外培养、囊胚细胞计数及胚胎移植技术进行了研究。

PartⅡFeasibility of vitrifying normospermic samples using droplets without cryoprotectans Objective Discuss the feasibility of droplets to vitrify normospermic samples without cryoprotectants. Methods Normal prepared sperm were frozen by conventional freezing protocol and non-cryoprotectant freezing in droplets respectively. Freezing in droplets means freezing sperm in every 10ul drop. After thawing, compared the two groups'sperm mobilities.

第二部分微滴法无保护剂玻璃化冷冻正常精子的可行性探讨目的探讨在不添加冷冻保护剂的情况下微滴法玻璃化冷冻正常精子的可行性方法收集16份正常精液标本，上游处理后分别进行慢速冷冻和微滴法冷冻，微滴法即用拉细巴氏管将标本形成10ul的液滴，直接投入液氮内冻存，复苏后镜检其活动率。

The glass transition temperatures of the o-CFER/DDE isothermally cured partially are determined by means of torsional braid analysis, and the results show that Tg increased with conversion.

用动态力学谱仪测定了o-CFER/DDE 体系在不同固化程度下的玻璃化转变温度，结果表明固化体系的玻璃化温度随反应程度的增加而升高。

The explants which showed vitrification could regerminate normal tepals when transfered to the medium supplemented with 6-BA 0.2 mg/L and NAA 0.005 mg/L, which demonstrates that decreasing the concentration of exogenous hormones could inhibit the vitrification.

玻璃化反应的外植体转移至MS附加6-BA 0.2 mg／L、NAA 0.005 mg／L的培养基上继续培养30 d后可再生正常的花被片，表明降低培养基中外源激素浓度能够阻止玻璃化反应继续发生。3。

The purpose of this thesis is to study the characteristics of glass transition experimentally with several typical amorphous starch powders, and try to find the way and the method to prevent them from caking by changing Tg of the powders.

本文的主要目的是通过对几种典型非晶态高分子淀粉粉体的玻璃化转变特性进行实验研究，寻求通过改变粉体的玻璃化转变温度来防止发生结块的途径和方法。

PartⅠPilot study of cryoloop for vitrifying spermatozoa without cryoprotectants Objective Seeking for a suitable freezing carrier for testicular or epididymal sperm by discussing the feasibility of cryoloop for vitrifying spermatozoa without cryoprotectants.

第一部分精子冷冻环无保护剂玻璃化冷冻方法的实验研究目的通过探讨冷冻环无保护剂玻璃化冷冻微量精子的可行性，试图寻找一种适合于睾丸或附睾微量精子的冷冻方法。

Dynamic mechanical analysis showed that the glass transition temperatures of PUDs cast film were between -40--35℃ and increased with the increase of NCO/OH.

动态力学分析表明试样胶膜的玻璃化转变温度在-40~-35℃，NCO/OH的增大使PUD胶膜的玻璃化转变温度升高。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。