查询词典 impermeability

Various amounts of SAP were added to the fresh concrete,the specimens were maintained at 35 ℃ and 10% relative humidity,or at 5 ℃ and 65% RH for 56 days,and the tests of frost resistance and impermeability were carried out.

在新拌混凝土中掺入不同数量的SAP，将试样置于35 ℃、相对湿度为10%以及5 ℃、相对湿度65%的环境中养护56 d，研究中进行混凝土抗冻与抗渗试验。

The experiment shows that both the impermeability and the freeze-thaw resistance of the concrete are higher than the related requirement of the design.

实验表明，其抗渗性与抗冻性均满足耐久性设计要求。

He TLA modified asphalt mixture has excellent performance at high temperature, the capacity of moisture-resistance damage and impermeability.

LA改性沥青混合料具有优良的高温稳定性、水稳定性和抗渗性，可应用于我国高速公路沥青路面工程中。

Dormancy for hard seeds is caused by impermeability to water and gas and mechanical constraint of the seed coat.

硬实种子种皮透水透气性差和对胚生长的机械限制，引起种子休眠。

The effect of pipe grouting that can be confirmed through situ-testing and laboratory, testing can be represented by the impermeability and intension of surrounding-rock.

注浆效果是通过围岩的抗渗性和强度体现出来的，效果确认可以通过现场原位试验和实验室试验进行。

The elementary relationship between indoor experimental permeability coefficient and the impermeability mark of RCC for Jiangya dam is established according to the results of lots of indoor experiments done by the high pressure multi_function permeameter developed by the university itself.

提出了一种确定室内试验渗透系数与抗渗标号间关系的思路和方法，并根据在自行研制的高压多功能渗透仪上所做的大量芯样室内试验的成果，建立了江垭大坝碾压混凝土室内试验渗透系数与抗渗标号间的初步关系。

By disrupting the impermeability of the sarcolemma, extracellular cations and fluid flow down the electrochemical gradient into sarcoplasm, overwhelming the capacity of the cationic extrusion pumps14–18 and leading to swelling of the myocytes.

肌纤维膜的不渗透性被破坏，细胞外阳离子与液体向肌浆流入，超过阳离子的泵出能力，导致肌细胞水肿。

Through manipulating the air content of mixture to control concrete frost resistance is the universal method in projects, but the study on the effect of concrete pore structure change after air entraining to the concrete frost resistance and impermeability is few, the study on the effect of mineral additive to concrete pore structure and durability is even fewer, so carry on this aspect research has significant meaning.

通过控制拌合物的含气量来控制混凝土的抗冻融性，是目前工程中普遍采用的方法，但引气后混凝土的孔结构变化及其对抗冻、抗渗等耐久性的影响研究较少，而无机盐类外加剂对混凝土孔结构及其耐久性影响的研究更少，因此开展这方面的研究具有重要意义。

Watering concrete curing time, the introduction of Portland cement, ordinary portland cement or slag cement concrete mixing shall not be less than 7d; retardation of mixed type with admixtures, the impermeability requirements, or ash cement, fly ash cement concrete mixing shall be not less than 14d; of mixing using alumina cement concrete not less than 3d.

混凝土的浇水养护时间，对采用硅酸盐水泥、普通硅酸盐水泥或矿渣硅酸盐水泥拌制的混凝土不得少于7d；对掺用缓凝型外加剂、有抗渗性要求、或用火山灰水泥、粉煤灰水泥拌制的混凝土不得少于14d；对采用矾土水泥拌制的混凝土不少于3d。

In water level variation zone, the Fusun Portland cement of 525 grade should be adopted which will have a concrete frost-resistence label of D300, compressive strength of R28300 and impermeability of S8, In addition, studies have also been conducted on the selection and design standards of bedding mat...

此外，还针对寒冷地区此种坝型垫层料与小区料选择及其设计标准，玄武岩地区趾板基础工程处理措施等问题进行了研究。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。