表干

探讨了烷氧基硅烷封端率及端羟基聚丁二烯的含量对单组分密封胶的力学性能、硬度及表干时间的影响。

The effects of different silane end-capped ratios and HTPB content on mechanical properties , hardness and surface dry time of the sealant were discussed .

乙二硫醇直接加入法能够缩短涂膜表干时间、防止固化膜发黄，固化膜的凝胶率会下降，但是不会影响其拉伸性能和附着能力。

Using the ethyl di-thiol directly could shorten the surface dry time and enhance the anti-yellow changing , but the gel fraction would be decreased . The tensile performance and the adherence capability of the solidified coatings would not be affected .

表干时间不大于2h；

Exterior dry is less than 2h ;

表干时间较短，一般在1h左右；

The waterborne epoxy coating has long pot life about 6 h and short surface drying time about 1 h.

随着相对湿度的增加，脱酸型和脱醇型（填料为SiO2）有机硅密封胶的表干时间缩短、消粘时间延长、硫化深度增加；

For acetic cured and methanol cured products with SiO_2 filler , higher relative humidity shortened the surface drying time , extended the tack-free time and increased the cured depth .

所得涂膜的表干时间约为30min，实干时间约为36h。

Film 's surface drying time is about 30 min , and actual time is about 36 h.

研究了含不同质量分数化学镀银鳞片石墨的玻璃鳞片导电涂层的电阻、表干/实干时间、厚度、硬度、耐蚀性及其BSE照片。

The resistance , surface drying / real drying time , thickness , hardness , corrosion resistance and BSE photos of the glass flake conductive coating containing different mass fraction of electroless silver graphite were studied .

长表干时间单组分湿固化聚氨酯胶黏剂的制备

Preparation of One-component Moisture Curing Polyurethane Adhesive with Long Open Time

测定了固化剂用量与涂膜表干时间的关系，表干时间随固化剂用量的增多而减短。

The relations between the time of surface drying and the quantity of curing agent was established .

该涂料与国内同类产品比较，具有表干时间短、遮盖力高、耐热性好等特点。

Such as enabling the face to dry in a short time , high covering power and good heat resistance .

在保证砂型变形量较小和强度能够满足实际生产需求的前提下，表干温度定为160-180℃。

In that small deformation and strength of sand production to meet demands of actual condition , table drying temperature as 160-180 degrees .

阿滚自动刮掉表面的孔表干蜡，推入一本在末尾。

A roll automatically scrapes the dried wax off the surface of the hole table , pushing it into a bin at the end .

研究还发现，采用混合催化剂也能够显著地提高密封胶的交联速率，缩短表干时间，且对其力学性能不会产生显著影响。

Catalyst mixtures also have effects on the improvement of curing speed and reduction of surface-free time , with simultaneously the increase of viscosity .

同时用涂料标准方法测定了这些样品的漆膜的表干时间、光泽值、冲击强度、附着力、柔韧性等。

Film properties including surface drying time , luster value , shock strength , adhesion and flexibility were tested according to standard methods for coating .

液体石油树脂作为填料时，可以缩短聚氨酯防水涂料涂膜的表干时间，且表干时间随着石油树脂用量的增大而减小。

When the petroleum resin as the liquid filler , can be the surface curing time reduced , and it is reducing with the content of it increasing .

分析了添加脱水剂后密封胶储存稳定性提高以及表干时间延长的原因，研究了脱水剂的最优添加量。

The reasons of the improvement of stability and the prolongation of tack free time were analyzed and the optimal amount of dehydrating agent was studied in this article .

云母粉和滑石粉复合涂料的表干时间随填料添加量的增加先缩短后延长。

The tack free time of EA / mica powder and EA / talc powder composite coatings were firstly shortened and then prolonged with the amount of fillers increased .

实验结果表明添加脱水剂可以显著改善密封胶的储存性能，但是使密封胶的表干时间延长，流淌性增加。

The experiment results showed that adding dehydrating agent into the sealant obviously improved its storage stability but prolonged the tack free time of sealant and increased its flow property .

通过实验发现催化剂、脱水剂、增塑剂以及游离的异氰酸酯含量对密封胶的表干时间有很大的影响。

Through the experiment , it is found that the tack free time is affected greatly by the content of catalyst , dehydrating agent , plasticizer and the free NCO .

胶膜吸水率、表干时间、沾污率、附着力、硬度、耐化学品性等性能；

We also measured the performances of the membrane , such as rate of absorbing water , drying time , dirtied rate , cling power , rigidity , ability of resisting chemical .

增大紫外光辐照强度可显著提高复合体系的光固化速率及双键转化率、缩短表干时间。

By increasing UV radiation intensity , UV curing rate and double bond conversion rate of composite system were significantly increased , the tack free time was shortened at the same time .

通过多元回归可以建立形状系数和稳定度、流值与表干密度的线性关系，以及结构系数和稳定度的线性关系。

By multivariant regression we can find the linear relation between shape properties and stability , shape properties and flow value , shape properties and skin drying density , structure characteristics and stability .

该嵌缝材料具有伸长率大、弹性高、与混凝土粘接力强、色彩可调、表干时间适宜，并可在缝内潮湿情况下施工等技术特点。

The glue has some technical characteristic such as great elongation , high elasticity , strong adhesive power with concrete , adjustable color , fitting surface-drying time , tolerably working on the condition of moist slot , and so on .

以滤纸和稻草作为底物时，混合纤维分解菌96h表观干物质消失率分别为59.59%和36.12%，发酵上清液羧甲基纤维素酶酶活分别为0.26U·mL~（-1）和0.15U·mL~（-1）；

For mixed cellulolytic bacteria , the apparent dry matter losses on rice straw and filter paper after 96 h fermentation were 59.59 % and 36.12 % , the CMCase activities in the culture supernatants were 0.26 U and 0.15 U , respectively .

正常状态下，角膜和结膜上皮不断进行自我更新和自我修复，更新的原动力来自眼表上皮干细胞。

Normally , the corneal and conjunctival epithelia are continuously self - renewed and self - repaired . Such process of self - renewal depends on the ocular surface stem cells .

变形纱表观条干均匀度和质量条干均匀度研究

Study on appearance evenness and mass evenness of textured yarn

四肢带表浅静脉干的局部皮瓣在创伤修复中的应用

Application of the local flap pedicled with a superficial vein in the repair of limb wounds

通过对湿度查算表湿度、干球温度、干湿球温差数据间关系的分析研究，提出一种根据湿度基准值进行二次线性插值求得湿度测量值的计算方法。

Based on Benchmark data , a calculation method for relative air humidity using linear insertion method was put forward , through analyzing the relations among humidity , dry-bulb temperature and damp bulb temperature contrast .

目的探讨羊膜移植（AMT）重建眼表治疗角膜缘干细胞缺陷（LSCD）的临床价值。

Objective To evaluate the appling value of amniotic membrane transplantation ( AMT ) in comeal surface reconstruction for patients with limbal stem cell deficiency ( LSCD ) .

羊膜移植重建眼表治疗角膜缘干细胞缺陷

Amniotic membrane transplantation for corneal surface reconstruction in patients with limbal stem cell deficiency