Influence of various factors on expanded volume of expandable graphite was studied including the amount of KMnO-4,FeCl-3,mix-acid,reaction temperature and ratio of H-2SO-4 to HNO-3.
研究了膨胀石墨制备中KMnO4,FeCl3及混酸的用量、混酸中H2SO4与HNO3比例、反应温度等因素对石墨膨胀容积的影响;根据L25(56)和L9(34)正交实验结果筛选出了获得最大膨胀容积实验方案:各原料质量比C∶FeCl3∶KMnO4∶混酸=1。
The effects of factors such as electrolyte concentration, current density, reaction time, expansion temperature, expansion time, and ion concentration of washing water on the expanded volume of expanded graphite were discussed and the causes induced the effects were analyzed.
膨胀容积是影响膨胀石墨产品质量的重要因素。
The sulfur content of the prepared expandable graphite was less than 1% and the expanded volume was .
在此条件下制得的可膨胀石墨的硫含量小于1 % ,膨胀容积达 3 3 0mL/g。
The conditions of preparing expansible graphite were optimized and factors affecting expansion volume were obtained.
5(质量比),在室温下反应50min,再进行脱色、水洗、抽滤、烘干得产品,产品的起始膨胀温度为124℃,在600℃膨胀容积可达245 mL/g。
The graphite intercalation compound with easy low temperature expansion and high expansion volume was prepared by chemical oxidation method using natural graphite flakes,CrO3,CH3NO2 and FeCl3 as raw materials,with the molar ratio of 34∶1.
5∶22∶1,利用化学氧化法制备出低温易膨胀、高膨胀容积的石墨层间化合物,300℃时膨胀容积为420mL·g-1,800℃时达到最大膨胀容积630mL·g-1,明显优于传统硫酸、硝酸插层的石墨层间化合物。
The initiation expansion temperature and the expansion volume of the product was 130 ℃ and 350 mL/g at 600 ℃,respectively.
07,由此方法制得的可膨胀石墨起始膨胀温度为130℃,600℃时膨胀容积为350mL/g。
The"Effective Expansion Volume"and the Other of the Open Expansion Water Tank;
开式膨胀水箱的“有效膨胀容积”及其它
Using the Multiple Volume Expansion method, the CO2 content is determined at two different volume expansions of the measuring chamber.
使用多次容积膨胀法，测量池在两次不同的膨胀中测定CO2含量。
Determination of volumetric expansion of rubber hose for automotive hydraulic brake system
GB/T7129-1986汽车液压制动胶管内容积膨胀测定方法
Effect of Expanded Volume of Expanded Graphite on Adsorption of Formaldehyde
膨胀石墨容积对甲醛气体吸附性能的影响
Water expands when it freezes.
水结冰时体积膨胀。
VOLUME RATIO MEASUREMENT AND UNCERTAINTY ANALYSIS OF A STATIC EXPANSION VACUUM STANDARD
静态膨胀法真空标准测量容积比的不确定度分析
Research of Double Expansive Sources Admixture for Hydraulic Mass Concrete;
水工大体积混凝土双膨胀源膨胀剂的研究
An expansion tank designed to absorb the increased volume of water created when water in a storage tank is heated.
当储存在热水器容器中的水加热时，这种膨胀罐用于吸收由此体积增加的水。
The" displacer piston" moves the gas between the two ends and the" power piston" changes the internal volume as the gas expands and contracts.
“位移活塞”在这两点间推动气体，而“施力活塞”会在气体膨胀与压缩时改变内部容积。
The experimental Research was done about the predictive PID control of high pressure reduction with expander pneumatic system.
因此高压气动动力系统需要采用减压节能效果更好的容积膨胀减压控制方式[1,2]。
The free expansion of the gas after the abrupt removal of a barrier results in the gas occupying a larger volume at the same temperature.
突然抽去隔板后，气体的自由膨胀使气体在同一温度下占有更大的容积。
the gas expanded to twice its original volume.
气体膨胀为原来体积的倍。
When the air becomes hot, its volume increases a lot and very rapidly.
当空气变热时，它的体积便迅速膨胀。
So the wood remains in its swollen dimensions.
所以木材仍保持其膨胀时的体积。
Inflation discourages saving.
通货膨胀阻碍储蓄的积累。
Inflation has whittled away their savings.
通货膨胀蚕食了他们的积蓄.
Inflation is caused by excessive money stock.
通货膨胀是由于货币积累过剩造成的。
Inverse Iimits and Infinite Tychonoff Produces About B_i-Expandable Spaces
关于可膨胀空间的逆极限及无限Tychonoff积