1) Raney Ni
RaneyNi
1.
The supported Ni-B/SiO 2 amorphous catalyst prepare d by chemical reduction exhibited the highest catalytic activity and stability in the hydrogenation of acetophenone in comparison with Raney Ni and U-Ni-A cata lysts.
制备了Ni- B/SiO2 非晶态催化剂、RaneyNi催化剂和漆原镍催化剂 ,采用XRD、SEM等对非晶态特征进行表征。
2.
As compared to Raney Ni, the rapidly quenched catalyst has residual Ni_(2)Al_(3) phase wh.
同时,也对普通的RaneyNi催化剂进行同样的考察,研究两者之间的差别。
3.
The effect of reaction conditions on the performance of in-situ hydrogenation of phenol in liquid phase over Raney Ni catalyst was studied.
考察了RaneyNi催化剂作用下,反应条件(温度、压力、空速、苯酚浓度和甲醇与水的配比)对苯酚液相原位加氢反应性能的影响规律。
2) RaneyNi powder
RaneyNi粉电极
1.
Low hydrogen overpotential RaneyNi powder has higher reduction efficiency.
采用自制隔膜电解槽,首先对阴极材料进行了选择,选出葡萄糖转化率最高的RaneyNi粉电极作为电解阴极。
3) Raney Ni catalysts
RaneyNi型催化剂
4) Rabies antibody
抗-RA
5) RA codes
RA码
1.
Under the belief propagation (BP) decoding of low density parity check (LDPC) codes, the performance of the GRA codes be affected by small cycles of the sparse parity check matrix which depends on encoding method.
由重复器、交织器、组合器和广义累加器组成的广义系统RA码,采用低密度奇偶校验码(LDPC码)的置信传播译码时,码性能受稀疏校验矩阵的小环影响大,而稀疏校验矩阵由编码器的结构决定。
2.
The technology is to concatenate two RA codes and design the parity check matrix.
给出了一种无四环改进ARA码的设计方法。
3.
RA codes is one of TLC, simple but very important.
本文首先介绍了 RA码的 Tanner图表示 ,然后重点分析研究并详细推导了 RA码在加性高斯白噪声 (A WGN)信道上的迭代译码算法。
6) 226)Ra
￣(226)Ra
补充资料：白垩,磨细白垩粉,白垩粉
CAS：1317-65-3
中文名称：石灰石；电石灰岩；石灰石粉；霰石,文石；方解石,碳酸钙晶体；碳酸钙,白垩；白云石,白云岩,石灰岩；石灰石,石灰石；大理石,大理岩,云石,玻璃球；波特兰石；白垩,磨细白垩粉,白垩粉
英文名称：Limestone；Agstone；agricultural limestone；aragonite；atomite；bell mine pulverized limestone；calcite；calcium carbonate；carbonic acid, calcium salt；chalk；dolomite；domolite；franklin；lithograpic stone；marble；natural calcium carbonate；portland stone；sohnhofen stone；whiting；limestone,powder；flux lime
中文名称：石灰石；电石灰岩；石灰石粉；霰石,文石；方解石,碳酸钙晶体；碳酸钙,白垩；白云石,白云岩,石灰岩；石灰石,石灰石；大理石,大理岩,云石,玻璃球；波特兰石；白垩,磨细白垩粉,白垩粉
英文名称：Limestone；Agstone；agricultural limestone；aragonite；atomite；bell mine pulverized limestone；calcite；calcium carbonate；carbonic acid, calcium salt；chalk；dolomite；domolite；franklin；lithograpic stone；marble；natural calcium carbonate；portland stone；sohnhofen stone；whiting；limestone,powder；flux lime
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