查询词典 catalyst

In the catalyst after leaching, other than nanoscaled Ni crystallites, boundary area is observed from HREM. These areas are low contrast and high brightness. The atomic density of these areas should be low, therefore, it is suggested that they are rich in voids and phosphorus atoms.

高分辨电子显微观察显示，合金脱铝形成镍纳米晶的同时，还形成了纳米尺寸的低密度、高亮度的界面区域，该区域与其它文献中提到的孔洞尺寸相当，但认为它应该是富含铝及大量缺陷的结构疏松区。

Asymmetric autocatalysis occurs when a chiral product operates as an asymmetric catalyst for its own production.

不对称自催化反应是指由不对称反应生成的手性产物自身作为催化剂的反应过程。

The purpose of the study is to develop one kind of efficient catalysts and evaluate the catalyst in an autoclave and a fixed-bed reactor.

本文的目的在于开发有效的催化剂及在间歇与连续反应器中对催化剂进行评价。

Water quality and pH value had little effect on the autoxidation. And adding of catalyst led to the decrease of its storage stability.

水质和pH值等条件对自动氧化几乎没有影响，催化剂的加入使贮存稳定性降低。

The water quality and pH value have little effect on the autoxidation. and the adding of catalyst leads to the decrease of its storage stability.

水质和pH值等条件对自动氧化几乎没有影响，自由基引发剂能加速自动氧化，自由基吸收剂则使稳定性提高。

A novel adhesive of ballpen ink,AES-881 was produced by copolymerizing alkyd resin,epoxy resin and silicone rcsin in the presence of catalyst.

新型元珠笔油墨 AES-881粘接剂是由醇酸树脂为主体，环氧脂、硅酮树脂在催化剂存在下，经共缩聚而成。

The experimental results show that, by the process, 10 kg barium carbonate with 0.1 L hydrochloric acid (HCl 27%) as catalyst is added in 1 m3 copper electrolyte, 70% Bi can be removed from the electrolyte, and the Bi content in filter residue is more than 4%.

实验结果表明，采用碳酸钡脱铋新工艺， 1 m3铜电解液加入10 kg碳酸钡，用0.1 L盐酸(HCl 27%)作催化剂， Bi的脱除率可达70%，脱铋渣含Bi量大于4%。

In this paper, use castor oil as raw material, barium hydroxide as a heterogeneous base catalyst to product biodiesel through transesterification was studied.

本文研究了以蓖麻油为原料，用氢氧化钡作为非均相碱催化剂，酯交换反应制备生物柴油。

Boron- and Silicone-Containing Phenolic Resin was synthesized by using barium hydroxide and zinc acetate composite catalyst. The structure of BSPR was characterized by FT-IR.

采用氢氧化钡和乙酸锌为催化剂合成了含硼和硅的酚醛树脂 BSP，用 FT- IR对其结构进行了分析，用 TGA和氧指数仪对树脂的耐热性和阻燃性进行了测试。

Barium hydroxide catalyzed transesterification of castor oil biodiesel Studied with castor oil as raw material, barium hydroxide as a heterogeneous base catalyst, transesterification biodiesel.

麻烦大家把下述中文翻译成英文谢谢氢氧化钡催化蓖麻油酯交换制备生物柴油研究了以蓖麻油为原料，用氢氧化钡作为非均相碱催化剂，酯交换反应制备生物柴油。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。