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    • 1. 发明授权
    • Pillared clay catalysts for heavy oil catalytic pyrolisis process and the preparation method thereof
    • 用于重油催化热解法的悬浮粘土催化剂及其制备方法
    • US06342153B1
    • 2002-01-29
    • US09219119
    • 1998-12-23
    • Jingjie GuanXieqing WangZhiqing YuZhengyu ChenQinglin LiuYi Liao
    • Jingjie GuanXieqing WangZhiqing YuZhengyu ChenQinglin LiuYi Liao
    • C10G1102
    • C10G11/04B01J20/10B01J20/12B01J29/005B01J29/049B01J29/084B01J29/40B01J2229/186B01J2229/42
    • Pillared clay catalysts for converting heavy oil or residual feedstock into maximum ethylene, propylene and butylene products comprises 30-75 wt % special pillared clays prepared by aluminum pillaring agents of high alkaline degree, 10-40 wt % inorganic oxide bonding agents, 0-30 wt % ZRP series high silicon zeolites with pentasil structure or Y-type zeolites, 0-10 wt % modified compositions of Mg, Al, K, P, Sn and polyethylene gycol, or 0-50 wt % Kaolinite matrix. The catalysts are prepared by mixing slurries, spray drying to form microspheric shapes, pillaring reaction and adding modified components. The catalysts have high catalytic activities, good light olefin selectivities and attrition resistance index. The products are suitable to be used as catalysts for hydrocarbon conversion, including CPP-catalyst for catalytic pyrolysis processes to convert heavy oil into ethylene and propylene, MIO-catalyst for yielding more isobutene and isoamylene products, and FCC-catalyst for yielding more gasoline and light cycle oil from heavy oil or residual feedstock, and also as adsorbents or catalyst carriers.
    • 用于将重油或残余原料转化为最大乙烯,丙烯和丁烯产品的柱状粘土催化剂包含由高碱度,10-40重量%无机氧化物粘合剂,0-30重量%的铝支撑剂制备的30-75重量%的特殊柱状粘土 wt%的具有pentasil结构的ZRP系列高硅沸石或Y型沸石,0-10wt%的Mg,Al,K,P,Sn和聚乙烯gycol的改性组合物,或0-50wt%的高岭石基质。 催化剂通过混合浆料,喷雾干燥以形成微球形状,柱反应和加入改性成分来制备。 催化剂具有高催化活性,良好的轻烯烃选择性和耐磨指数。 该产品适用于烃转化催化剂,包括用于将重油转化为乙烯和丙烯的催化裂解方法的CPP催化剂,用于产生更多异丁烯和异戊烯产物的MIO催化剂,以及用于产生更多汽油的FCC催化剂 来自重油或残余原料的轻循环油,以及作为吸附剂或催化剂载体。
    • 7. 发明授权
    • Mode-locked laser method and apparatus
    • 锁模激光方法和装置
    • US07079558B2
    • 2006-07-18
    • US10999711
    • 2004-11-30
    • Faming XuQiang FuBrian RogersZhengyu ChenWentao Hu
    • Faming XuQiang FuBrian RogersZhengyu ChenWentao Hu
    • H01S3/98H01S3/13H01S3/00
    • H01S3/136H01S3/08H01S3/08045H01S3/1068H01S3/1109H01S3/1305H01S3/139
    • A method and apparatus for stabilizing the output of a mode-locked laser by monitoring the temporal behavior of the pulse train profile and controlling the laser cavity optical length and/or loss modulation frequency accordingly. A mismatch of the cavity optical length and the loss modulation frequency will yield a first characteristic noise condition on the laser beam pulse train when the optical length is too short for a given loss modulation frequency and a second, different noise condition when the optical length is too long. The laser beam is monitored and analyzed to determine which noise condition is present. The cavity optical length is adjusted accordingly by movement of one or more optical elements or by changing the index of refraction of one or more optical elements. In the alternative, or additionally, the loss modulation frequency can be adjusted to bring the laser back into mode lock.
    • 一种用于通过监视脉冲序列轮廓的时间特性并相应地控制激光腔光学长度和/或损失调制频率来稳定锁模激光器的输出的方法和装置。 当光学长度对于给定的损耗调制频率来说太短时,激光束脉冲串上的光学长度和损耗调制频率的不匹配将产生第一特征噪声条件,当光学长度为 太长。 监测和分析激光束以确定存在哪种噪声条件。 相应地通过一个或多个光学元件的移动或通过改变一个或多个光学元件的折射率来调整腔光学长度。 在替代方案中,或者另外,可以调整损耗调制频率以使激光器恢复模式锁定。