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Taking the low-strain dynamic testing curves of rotary drilling cast-in-place piles for the Shuiyang River Bridge as example,this paper analyzed the effects of pile head laitance and pile shaft belly on the low strain dynamic testing curves.

本文以水阳江特大桥的旋挖钻孔灌注桩低应变检测为例,分析了桩头浮浆及桩身扩径对低应变检测曲线的影响。

It is introduced briefly the modification way and result of lignosulphonate as coal-water slurry additive and determination of the adsorption film thicknesses of the LS and modified lignosulphonate on the smooth surface of coal and microscopic slide by the method of elliptical polarization .

简要介绍了木质素磺酸钠用作水煤浆添加剂的改性方法及结果,并采用椭圆偏振法测定了木钠及改性木钠在光滑的煤表面和载波片表面的吸附膜厚度,定量地对比了添加剂在固体表面吸附的空间位阻作用的大小。

Experimental results indicate that a kind of lignosulphonate, which has a water reducing rate of 15.2%, with —OH and —SO3 groups, can be obtained by oxidation and sulphonating straw pulp lignin, and that MLP has better adsorption-dispersion ability to cement grains by electrostatic repulsion.

论文摘要:为开发利用草浆碱木素,通过引发氧化和磺化制备了改性草浆碱木素减水剂,测定了MLP的红外光谱、MLP在水泥颗粒表面的吸附量、水泥ζ-电位、MLP水溶液的表面张力及掺MLP的水泥净浆流动性,并测定了掺MLP的混凝土性能。

The result indicates that the slagging of low-volatile CWS is in an acceptable extent.

结果表明,低挥发分水煤浆的结渣情况在可接受的范围内。

And do the slagging characteristic research on CWS used in Test.

通过多种结渣预测模型,对所使用的注汽锅炉所用的水煤浆及其灰渣,进行了结渣特性进行了研究;对锅炉改造和所用的燃烧器的进行了系统的试验和计算,对炉内的飞灰轨迹进行了模拟以研究炉内可能产生的积灰与结渣。

We emphasize to study and demonstrate the clean coal technology including water coal slurry, micro coal powder and sulfurization bed etc.

重点开展清洁煤技术(水煤浆、微煤粉、硫化床等)研究与示范;''。

We emphasize to study and demonstrate the clean coal technology including water coal slurry, micro coal powder and sulfurization bed etc.

重点开展清洁煤技术(水煤浆、微煤粉、硫化床等)研究与示范;锅炉烟气净化技术开发与示范应用;天然气冷热电联供系统研究与示范等。

Coal powder and sulfurization bed etc.

重点开展清洁煤技术水煤浆、''。

The pulping waste liquors of wheat straw and reed have been modified and used to prepare water reducing agent mainly composed of lignin sulphonate.

通过实验,对AS法麦草、芦苇造纸制浆废液加入Ba2溶液和吐温-80进行化学改性,制成木素磺酸盐为主要成份的混凝土减水剂。

After 5 days we began to measure the abilities of learning and memory in the Morris water maze. The avoiding latency, the frequency of passing the platform and the stay time in the aim quadrant were determine in mice. The activities of TchE and MAO in the cerebra of mice were detected.

第5d后进行Morris水迷宫测试,测试期间保持音乐刺激不变,放完音乐后测试潜伏期、经过平台次数和平台象限停留时间,实验结束后处死小鼠取脑组织并匀浆,检测乙酰胆碱酯酶活性和单胺氧化酶活性。

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Do you know, i need you to come back

你知道吗,我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书,王祥生,李德昌。安徽省首次发现嗜群血蜱。

Chapter Three: Type classification of DE structure in Sino-Tibetan languages.

第三章汉藏语&的&字结构的类型划分。