This can make heavy atom derivatization in the presence of reducing agents, difficult and frustrating.
这就使得用重金属原子作同晶置换法遇到了麻烦。
Polycarboxylic acid is a new kind of high performance water-reducing agents. It has many useful properties.
聚羧酸类减水剂是高效减水剂的新品种，具有很多良好的使用性能。
Effect of filming medium and reducing agents on the properties of soy protein isolate film (SPI) was studied.
研究了成膜介质和还原剂对大豆分离蛋白膜(SPI)性能的影响。
Polycarboxylic acid is a new kind of high performance water-reducing agents which have many useful properties.
聚羧酸系高性能减水剂是减水剂的新品种，具有很多良好的使用性能。
These systems are a citric based solution with additional organic acids, strong reducing agents, and acid chelants.
这些系统是以柠檬酸为基础添加有机酸、强还原剂和酸螯合剂。
Metallocenes first appeared in the early 1950s and have been used as antiknock agents, catalysts, and reducing agents.
茂金属首次在50年代初问世，已经用于抗爆剂、催化剂和还原剂。
Naphthalene series of high range water reducing agents is a kind of an excellent water reducing admixture widely in use.
萘系高效减水剂是一种用途较广性能优越的高效减水剂。
Vitamin B12 is destroyed by oxidizing and reducing agents, by aldehydes, ascorbic acid, ferrous salts, vanillin and acacia.
维生素b12可被氧化剂和还原剂、醛类抗坏血酸、二价铁盐、香草醛和阿拉伯树胶破坏。
Experimental study has been thoroughly performed for affecting mechanism using drag reducing agents in multiphase pipelines.
在实验的基础上，对降阻剂在多相管流中的作用机理进行深入的研究。
Other compounds not compatible with reducing agents include ammonium nitrate, hydroperoxide, potassium perchlorate, sodium nitrate.
其他不能与还原剂一起使用的物质还包括：硝酸铵，过氧化氢，高氯酸钾，硝酸钠。
The singlet oxygen production was decreased and superoxide anion radical production was initiated in the presence of reducing agents.
还原剂的存在降低了单重态氧的生成并引起了超氧负离子自由基的生成。
Generally polymers, or similar friction reducing agents, add viscosity to the fluid, which reduces the turbulence induced as the fluid flows.
聚合物或类似的减阻剂可增加流体的粘度，这将减小在流体流动时所引起的紊流。
There have been reports where reducing agents have been used as successful crystallization additives where there were no free sulfhydryls in the sample.
有报道指出还原剂作为没有自由巯基的蛋白的添加剂的情况下长出了晶体的成功案例。
They are strong reducing agents (very negative REDOX potentials) and function as electron carriers, for example in photosynthesis and nitrogen fixation.
它们是强的还原性物质(很低的氧化还原电位)以及作为电子载体起作用，如在光合作用和固氮作用中。
In addition, combinations of olmesartan with the diuretic HCTZ and also the CCB amlodipine are also available and are very powerful blood pressure reducing agents.
另外，已有奥美沙坦与利尿剂HCTZ以及CCB氨氯地平的联合药物，是非常强效的降压药物。
The paper introduces the characteristics of resistivity of several typical soils and grounding resistance reducing agents at low temperature based on laboratory tests.
介绍了在低温条件下对几种典型土壤以及各类降阻剂的电阻率特性进行实验研究的结果。
The DR5000 ORP Controller is very similar to the DP5000 described above, however, it is designed to control LMI Metering Pumps for the addition of oxidizing and reducing agents.
DR 5000氧化还原电位控制器是与DP5000功能类似，但是，它是旨在控制的氧化和还原剂计量泵。
The reaction mechanism, method of synthesis and property testing of polyoxypropylene series compounds as shrinkage reducing agents in cement concrete are introduced in this paper.
介绍了聚环氧丙烷类高抗收缩剂的收缩机理和制备方法，并且对其进行了抗压强度及抗拉强度的性能测试。
The results indicated that such red pigment had favorable stability for high temperature, natural light, common metal ions, carbohydrates, and reducing agents in acidic conditions.
结果表明，苹果皮红色素在酸性条件下对高温、自然光、常见金属离子、碳水化合物和还原剂具有良好的稳定性。
According to different reducing agents and their concentrations, the particle size produced varies between approximately 1 and 100 nm-the larger the size, the higher the signaling efficiency.
根据不同的还原试剂和试剂浓度，产生的颗粒大小在大约1nm和100nm之间变化，尺寸越大，信号效果越高。
In this paper, the status and development tendency of research on building gypsum admixtures such as water-reducing agents, retardants, and water-retention agents both at home and abroad a...
本文综述了国内外建筑石膏减水剂、缓凝剂、保水剂研究的现状，并对国内石膏外加剂研究与应用中存在的问题进行了分析。
When exposed to most oxidizing agents, such as chlorine, these metal films show an increase in electrical current, while reducing agents have the opposite effect-a decrease of electrical current.
当接触到诸如氯气的强氧化剂时，这些金属薄膜上的电流会加强，而当接触到还原剂时则会产生相反的作用—电流会减弱。
To reduce viscosity of raw starch size and enhance the adhesion ability to pure cotton yarn, starch reducing viscosity agent SPU was developed by three agents and suitable ratio.
为降低原淀粉浆液的粘度、提高淀粉浆液对纯棉纱的粘附力，利用三种助剂的协同作用，选用适当的配比研制开发了淀粉降粘剂SPU。
We emphasized the agents' behaviors, agency costs and the way of controlling them, then analyzed the specific means of controlling the residual rights of control and reducing agency costs.
重点探讨了会计师事务所内的代理行为、代理成本及其控制问题，分析了控制会计师事务所内剩余控制权的滥用与降低代理成本的具体办法。
The results showed that reducing dry rate of particle agents or selecting particle agents with slow dry rate could effectively reduce the shrink of flowers and improve the quality of dried flower.
结果表明：适当降低颗粒包埋干燥剂的干燥速度或选择干燥速度慢的干燥剂，能有效降低干花的皱缩程度，提高干花的综合外观品质；
Conclusion Selection of suitable contrast agents, use of preventive medicine and effective nursing are means of relieving and reducing side effects of contrast agents.
结论根据病情选择合适的造影剂、预防用药、有效护理是减轻和减少造影剂副反应发生的有效方法。
Vasodilatory agents relax vascular smooth muscle, thereby reducing SVR.
血管扩张剂能松弛血管平滑肌，因此降低全身血管阻力。
Vasodilatory agents relax vascular smooth muscle, thereby reducing SVR.
血管扩张剂能松弛血管平滑肌，因此降低全身血管阻力。
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