The influences of impregnation temperature on sulfidity and activity of catalysts were studied.
采用自制硫化剂对裂解汽油二段加氢催化剂进行浸渍预硫化,研究了浸渍温度对催化剂硫化度及活性的影响,并利用程序升温脱附(TPD)和差热分析法(DTA)测定了硫化剂的分解温度,表征了浸渍催化剂程序升温硫化(TPS)时的放热情况。
The effect of solvent volume, reaction time, reaction temperature and impregnation time on sulfidity and activity was investigated.
以硫化烯烃为硫化剂,200#溶剂油为溶剂,对裂解汽油加氢二段加氢催化剂进行预硫化,研究了浸渍工艺,考察了溶剂与催化剂体积比、反应时间、反应温度及浸渍时间对硫化度及活性的影响。
The sulfidity was reduced by 18% with the addition of 6.
3%甲醇,硫化度降低18%,或者加w=12。
In this paper, Simao pine chips were cooked by kraft process with high alkali charge and high sulfidity and in the temperature range of 160℃ to 166℃.
进行了思茅松高用碱量高硫化度的硫酸盐法低温蒸煮。
The curing temperature of9 00-2016PR tire in autoclave was determined withJLW 12 Curing Temperature Tester.
00-2016PR轮胎进行硫化温度测定,获得了硫化温度在轮胎各部位的变化情况,并以此得到各部位胶料的硫化程度,发现均存在过硫现象,适当调整工艺条件,硫化外温由143℃改为151℃,硫化时间缩短5min后,轮胎机床耐久性能提高显著。
Study on property and curing temperature of low elasticity shock-absorbing blowing material;
较好的硫化温度为433~443K,最佳温度为438K。
The results showed that the curing rate of TBSI was higher than DCBS,but lower than TBBS;and the scorch safety of TBSI was better than that of TBBS,but deteriorate to that of DCBS.
结果表明,促进剂TBSI的硫化速度比促进剂DZ快,比促进剂NS慢;抗焦烧性能不如促进剂DZ,但优于促进剂NS。
The results showed that plasticizer A contained more palmicacid,and Aktiplast AP contained more stearic acid and oleic acid;in terms of improving compound flowability and dispersity,Aktiplast AP was better than plasticizer A;and the scorch time of compound extended and the curing rate decreased,and the Shore A hardness and modulus at 300% of vulcainzate increased a little,but the elon.
结果表明,增塑剂A中软脂酸含量较大,莱茵塑分AP中硬脂酸和油酸含量较大;莱茵塑分AP对胶料流动性和分散性改善效果优于增塑剂A;加入增塑剂A和莱茵塑分AP的胶料焦烧时间有所延长、硫化速度减慢,硫化胶的邵尔A型硬度和300%定伸应力略有提高,拉断伸长率稍有下降。
Determination of Curing Temperature and EV Time for Thick walled Rubber Article
橡胶厚制品硫化温度与等效硫化时间的测定
Effect of sulfurizing temperature on frictional behavior of tungsten disulfide thin film
硫化温度对硫化钨薄膜摩擦性能的影响
Influence of sulfurization temperature on optoelectric properties of Sn_xS_y thin films
硫化温度对Sn_xS_y薄膜光电性能的影响
Effect of Neural Network Learning Patterns on Forecast of Tyre Curing Temperature
神经网络学习样本对轮胎硫化温度预测的影响
Effects of Cu/In molar ratio and sulfurizing temperature on performance of CIS thin films
Cu/In原子比及硫化温度对于CuInS_2薄膜性能影响
spevack process
硫化氢双温度交换撂
Effect of temperature on ex-situ presulfurization of hydrogenation
温度对加氢催化剂器外预硫化的影响
testing method for brittleness temperature of plastics and vulcanized elastomers by low temperature impact
硫化橡胶和塑料的低温冲击脆化温度试验方法
testing method for stiffness of vulcanized rubber at low temperture
硫化橡胶的低温硬挺度试验方法
"Patches require curing, or vulcanizing, at a temperature of around 150."
硫化或热补的温度大约为150。
The Research and Development on Temperature Control System for Plate Vulcanization Machine;
平板硫化机温度控制系统研究与开发
testing methods for low teperature-retraction of vulcanized rubber
硫化橡胶低温特性的测定 低温度回缩法
testing methods for low temperature retraction of vulcanized rubber
硫化橡胶低温特性的测定低温度回缩法
Study on Temperature Change and Dynamic Leaching Law of Sulfide Ore Heap
硫化矿尾矿堆的温度变化和动态淋溶规律研究
The Preparation of High Viscosity Methyldiphenyl RTV Silicone Rubber
高粘度二甲基二苯基室温硫化硅橡胶制备
Temperature Control System for Vulcanization Machine Based on Fuzzy Adaptive PID
基于模糊自适应PID的硫化机外压温度控制系统
INFIUENCE OF TEMPERATURE AND SULFUR ION ON CARBON DIOXIDE CORROSION BEHAVIOR OF N80 STEEL
温度和硫离子对N80钢CO_2腐蚀电化学行为的影响
Influence of Temperature on Determination Results of Sulfur Content in Creasote Oils
温度变化对杂酚油中硫含量测定结果的影响