1) low alkali expanding admixture
低碱膨胀剂
1.
The application of low alkali expanding admixture and set retarding superplastic izer admixture in waterproofing and anti-leakage structure;
低碱膨胀剂和缓凝高效减水剂双掺技术在防水抗渗混凝土工程的应用
2) alkaline swelling
碱膨胀
3) low expansion
低膨胀
1.
Transparent Li2O-Al2O3-SiO2 system glass-ceramics with low expansion were prepared by using SiO2,Al2O3,Li2CO3 as basic raw materials,adding a small amount of alkali earth,and also adding TiO2,ZrO2 as nucleating agent and melted at 1 580 ℃.
以SiO2、Al2O3、Li2CO3为主要原料,通过加入少量碱土金属氧化物、澄清剂及TiO2和ZrO2成核剂,首先在1 580℃熔制玻璃,然后依据差热分析所确定的热处理制度,在不同温度和时间条件下对其进行核化和晶化处理,制得低膨胀Li2O-Al2O3-SiO2系透明微晶玻璃。
2.
s:Li2O-Al2O3-SiO2(LAS) glass-ceramics with low expansion was prepared by melting method,using spodumene, kaolinite, talc, quartz and some chemical regents as the starting materials.
本文以Li2O-Al2O3-SiO2(LAS)系统为基础玻璃成分,锂辉石、高岭土、石英砂、滑石等矿物和部分化学试剂为主要原料,采用熔融法制备了LAS系低膨胀微晶玻璃。
3.
It has been discovered that properly adding talcum, pyrophyllite or qtlartz can not only retain the property of low expansion of aluminium titanate but also suppress its thermal decomposition to various degrees, and enable its bending strength to reach as much as 52.
研究发现：添加适量的滑石、叶腊石、石英均能保持钛酸铝的低膨胀特性。
4) low thermal expansion
低热膨胀
1.
Synthesis of ZrW_2O_8/ZrO_2 composites with low thermal expansion using chemical co-precipitation method;
化学共沉淀法合成低热膨胀ZrW_2O_8/ZrO_2复合材料
2.
Synthesis of ZrW_2O_8/ZrO_2 composites with low thermal expansion using in-situ solid state reaction method
原位反应固相法合成低热膨胀ZrW_2O_8/ZrO_2复合材料
3.
The most important properties of NZP family ceramic materials are low thermal expansion behavior,and their thermal expansion coefficients can be designed.
NZP族陶瓷材料是一类理想的热膨胀系数可设计的低热膨胀陶瓷 ,但由于同时具有较大的热膨胀异向性 ,导致材料内部易形成微裂纹 ,故耐热冲击性不理想。
6) intact chloroplast
低渗膨胀
1.
Isolated intact chloroplasts ofspinach need a medium with a suitableosmotic pressure (about 0.
我们推测，低渗膨胀叶绿体中光合作用的抑制，至少有一个原因是Ｆｄ－ＮＡＤＰ氧化还原酶作用的受阻。
补充资料：超低膨胀石英玻璃
分子式：
CAS号：
性质：又称低膨胀石英玻璃。是一种掺有二氧化钛的石英玻璃。用SICl4和TICl4为原料，采用氢氧焰熔制而成。20～100℃的热膨胀系数为±0.3×10-7℃-1，比一般石英玻璃低一个数量级。适用于做天文反射镜及激光器件等。
CAS号：
性质：又称低膨胀石英玻璃。是一种掺有二氧化钛的石英玻璃。用SICl4和TICl4为原料，采用氢氧焰熔制而成。20～100℃的热膨胀系数为±0.3×10-7℃-1，比一般石英玻璃低一个数量级。适用于做天文反射镜及激光器件等。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条