Chitin is a kind of natural macromolecular material whose reserve is only next to cellulose, its derivatives preparation and application in water curing are introduced.

Heat-curing benefits the increase of strength which can still develop in 28 day water curing after heat-curing.

热养护有利于强度的提高，经热水养护后放置水中至28天龄期，其强度有较大提升，并没有出现强度倒缩现象。

The early water curing of concrete is longer and then the rate of late drying shrinkage of concrete is faster.

延长混凝土的早期水养时间，并不会减少混凝土的干燥收缩值，反而会使干缩速率加快；

In 90 days, and in tap water curing, shrinkage falls 56.9%;

养护90天，在淡水养护制度下，收缩率降低56.9%；

Circumferential sprinkling water curing technique utilizing rubber perforated pipe in high pier construction

高墩施工橡胶花管环向洒水养护技术

Accelerated carbonation curing of 5% ethylene/ vinyl acetate copolymer modified low heat Portland cement paste

5%乙烯-醋酸乙烯共聚物复合低热水泥浆体的碳化促进养护

In this study, cement sand paste and common concrete with or without slag, fly ash and silica fume were used to investigate some accelerated curing on the strength and permeability of concrete.

本研究系由一般或使用炉石、飞灰或矽灰之水泥砂浆与混凝土来探讨加速养生及其试验法。

Casting Process of Water-cooling Adamantine Clinker of Blast Furnace Manufacturing bricks by accelerated curing of steel slag cement

3270m~3高炉水冷钢砖的铸造生产工艺加速碳化养护钢渣混合水泥制备钢渣砖

Manufacturing bricks by accelerated curing of steel slag cement

加速碳化养护钢渣混合水泥制备钢渣砖

Study on the accelerated curing process of positive plates for VRLA battery

阀控式铅蓄电池的快速固化工艺的应用

The compressive strength also varied with the curing time.

养护时间不同，其抗压强度有明显的差异。

Take the average temperature in the curing time as curing temperature.

养护温度取各湿喷桩养护期的平均气温。

Experimental Study of Influencing Factors of Cement Curing Time

水泥候凝时间及其影响因素的试验研究

The optimize curing time under different temperatures was also investigated.

另外，对不同养护温度下土壤聚合反应的最佳养护时间也进行了研究。

Prediction on the available P_2O_5 in SSP curing period

过磷酸钙熟化过程中有效磷的预测

A method for automatic extending the tire curing period at a subnormal temperature was proposed.

介绍一种轮胎硫化欠温自动延时的办法。

The materials are water-soluble, low cost, easy construction, no pollution and short curing period.

该涂层为水溶性材料，具有造价低、施工方便、对环境无污染、养生时间短等特点。

Study of Initial Cracking Problems of Integrally-Cast Long and Large Concrete Structures During Curing Period

整体浇筑长大混凝土结构养护期间早期开裂问题探讨

The Numerical Simulating of the Temperature Fields in Massive Concrete Base During Curing Period

大体积混凝土基础养护期温度场数值模拟

Cube strength of concrete increase with the curing period showed a slight increase in late strength without significant attenuation. 2.

混凝土的立方体强度随着养护龄期的增长呈现小幅度增长，后期强度没有出现明显的衰减。

The density is found to be mainly affected by the EPS volumetric ratio while the effects of the curing period, the cement content and the type of lightweight material were negligible.

通过密度试验，明确了影响EPS颗粒混合轻质土密度的因素：密度主要受到EPS颗粒体积比的影响；龄期、水泥添加量、轻质填料种类对密度影响不大。