PP and many other polymers ( RH) are attacked durIng processIng or outdoor use In the absence of stabilizers because of a chaIn degradation reaction. 聚丙烯及许多其它的聚合物(RH)若在缺少稳定剂的情况下进行加工或在户外使用,就会发生链式降解反应而遭受破坏。
Results Blood transfusion reaction do not happen after transfused RH (-) freezing red blood cell. 结果输注RH(-)冷冻RBC制品无一例输血反应发生。
Practice clinic individual transfusion by detecting Rh blood group antigen Determination of Rh Del phenotype by polymerase chain reaction 应用Rh血型抗原鉴定实现临床输血个体化聚合酶链式反应技术检测Rh血型D~(el)表型
Hydrosilylation of alkenes catalyzed by Rh ( PPh_3)_3Cl in ionic liquids: influence of medium on addition reaction 离子液体对Rh(PPh3)3Cl催化烯烃硅氢加成反应的影响
The reaction of the reduction of NO and the oxidation of CO on three way catalyst which has been compounded by Pt, Rh, Pd and their supporters is an important reaction in the removal of NO and CO from exhaust fumes. NO与CO在PtRhPd及载体组成的三效催化剂上的氧化还原反应是控制汽车尾气对空气污染的一个关键反应。
Purification of rare ginsenoside Rh_3 from enzyme reaction 酶解产物人参稀有皂苷Rh3的制备与分离
Genotyping of RHE/ e using polymerase chain reaction sequence specific primers 序列特异性引物PCR法检测Rh血型E/e基因型
Methods Genomic DNA was isolated from buffy coats using fast salting-out method, the Rh Cc genes were typed using polymerase chain reaction. 方法用快速盐析法抽提样本DNA,用PCR检测C/c基因型。
It was pointed out that probing into the desulphurization process by powder injection during the RH refining of liquid steel from the viewpoints, fundamentals and methods of metallurgical reaction engineering was of important theoretical meaning and practical value. 指出:以冶金反应工程学的观点、原理和方法深入研究钢液RH精炼喷粉脱硫过程无疑具有理论意义和实践价值。
Vacuum degassing process in RH degasser was modeled with CO 2 desorption from NaOH-CO 2 solution in a physical model. The effects of operation parameters on degassing reaction were investigated by monitoring CO 2 desorption from NaOH-CO 2 solution. 利用RH物理模型进行了CO2从NaOH-CO2体系中释放动力学的研究,考察了操作参数对RH脱碳和脱气反应的影响。
A new reaction model for RH decarburization RH真空脱碳过程的新模型
It was observed that the decarburization reaction period in the RH could be classified into three stages in terms of the apparent reaction rate constants. 据实测结果,RH炉内脱碳反应期可根据其表现反应速率常数划分为三个阶段。
In contrast, the Rh ( CO) is a major contribution under reaction condition. 在一氧化碳加氢反应条件下,主要存在线式CO吸附态。
Reaction of Diazo Compound with Aldehydes in Water and Rh(ⅱ)-Catalyzed Diazo Decomposition 水相中重氮化合物与醛的缩合反应以及Rh(Ⅱ)催化的重氮分解反应
Conclusion Transfusion of RH (-) freezing red blood cell is an ideal product which can avoid or reduce the blood transfusion reaction. 结论输注RH(-)冷冻RBC是避免或减少输血反应的理想制品。
The thermodynamics of this reaction was investigated by estimating Δ rH and Δ rG of the reaction at different temperatures and pressures. The result showed that the reaction does not occur spontaneously under finite conditions in view of thermodynamics. 本文通过对甲醇与二氧化碳直接合成碳酸二甲酯反应过程中热力学函数ΔrH和ΔrG的估算,得到的结果表明在有限的反应条件下该反应在热力学上是不可行的。
The catalytic reaction was first-order for both Rh(ⅲ) and methyl blue. 该催化反应对Rh(Ⅲ)和甲基蓝分别为一级反应。
A kinetic method for the determination of trace rhodium based on the catalytic effect of Rh on the oxidative color reaction of diantipyryl-( p-dimethylamino)-phenylmethane ( DAMAM) with potassium periodate in the H3PO4 medium and hot water bath was established. 在磷酸介质和加热条件下,痕量铑(Ⅲ)能灵敏地催化高碘酸钾氧化二安替比林对二甲氨基苯基甲烷(DAMAM)的显色反应。
In methanol carbonylation reaction for the manufacture of acetic acid, Rh ( OAc)_2 was adopted as catalyst, and the phosphate of Na 、 Zn and ammonium, in addition to phosphomolybdate and phosphotungstate of Na, was used as additives. 以Rh(OAc)2为催化剂,以钠、锌和铵的磷酸盐以及钠的磷钼酸盐和磷钨酸盐作为添加剂,在催化甲醇羰基化制乙酸的反应中系统考察了不同添加剂对反应的影响。
The catalytic properties of PEO-DPPSA/ Rh have been tested in the reaction system of aqueous-organic two-phase hydroformylation of 1-decene. 在1-癸烯水/有机两相氢甲酰化反应体系中考察了PEO-DPPSA/Rh络合物的催化性能。
The dynamic behavior of adsorption state of CO and CO+ H2 reaction on Rh4/ Al2O3 have been studied by TP-IR ( Temperature program-IR) dynamic method and in flowing microreactor. 利用TP-IR(程序升温-红外)和连续流动微反技术研究了Rh4/Al2O3上CO吸附态的动态行为和CO加氢反应。
The Rh-CeO2 interaction and the activity of CH4 dissociation were investigated on Al2O3-and SiO2-supported Rh catalysts by using the pulse reaction technique, infrared spectroscopy of CO adsorbed, and infrared spectroscopy of pyridine adsorbed. 采用脉冲反应技术、原位CO吸附和吡啶吸附红外光谱,考察了Al2O3和SiO2负载的Rh基催化剂上Rh-CeO2相互作用和CH4解离活性。
Two characteristic parameters& heat transfer controlled reaction rate rh and mass transfer controlled reaction rate rm were defined, whose values can be obtained through simple algebraic calculations. 本文通过理论推导定义了传热控制反应速率rh和传质控制反应速率rm两个特征参数,包含了多种设计和操作条件的作用,其数值可通过简单的代数计算得到。
By comparison of rh, rm and the intrinsic reaction rate rk, we can determine the controlling step of the absorption/ desorption process and make a rough estimate about the actual reaction rate. 比较rh、rm与本征反应速度rk的大小即可判断耦合过程的控制环节,并对实际反应速度作出粗略的估计。
Photocatalytic degradation of Rhodamine B ( Rh B) and eosin Y were used as the probe reaction, we investigated the photocatalytic activity of TiO2/ graphitized carbon composite. 以罗丹明B和曙红Y的光催化降解为探针反应,考察了TiO2/石墨碳复合材料的光催化降解活性。
Rh/ C catalysts were prepared by impregnation method, and researching the active carbon pretreatments, loading contents of Rh, reductants, reduction methods, pH values on the properties of hydrogenation reaction of chlorine nitrobenzene using Rh/ C as catalysts. 采用浸渍法制备了Rh/C催化剂,研究了活性炭的预处理、Rh的负载量、还原剂、还原方法、pH值等对Rh/C催化剂催化对氯硝基苯加氢反应性能的影响。