查询词典 negative catalyst

The application of the alloy that can effectively reduce the release of hydrogen, the special technique in manufacturing grid, and the appropriate match of active materials of both negative plates and positive plates, all these enable spiral valve-regulated sealed lead-acid battery, greatly restrain the release of hydrogen from negative plates, at the same time the generated oxygen, due to overcharge of positive plates, arrive at negative plates through the diaphragm and compose with lead in the negative, thus enable the recombination of gas inside of the battery and prevent the case of water loss so that water addition is free.

双登卷绕式阀控密封铅酸蓄电池通过采用具有极高析氢过电位的合金通过特殊工艺制造板栅，同时对正负极活性物质量的合理匹配等工艺措施，使得负极上发生的析氢过程得以最大限度地受到抑制，同时正极因过充电所产生的氧气通过隔膜到达负极，并与负极上的铅发生反应，生成水，这样便使得电池内部气体的再复合，防止失水，实现免维护。

The application of the alloy that can effectively reduce the release of hydrogen, the special technique in manufacturing grid, and the appropriate match of active materials of both negative plates and positive plates, all these enable spiral valve-regulated sealed lead-acid battery, greatly restrain the release of hydrogen from negative plates, at the same time the generated oxygen, due to overcharge of positive plates, arrive at negative plates through the diaphragm and compose with lead in the negative, thus enable the recombination of gas inside of the battery and prevent the case of water loss so that water addition is free.

卷绕式阀控密封铅酸蓄电池通过采用具有极高析氢过电位的合金通过特殊工艺制造板栅，同时对正负极活性物质量的合理匹配等工艺措施，使得负极上发生的析氢过程得以最大限度地受到抑制，同时正极因过充电所产生的氧气通过隔膜到达负极，并与负极上的铅发生反应，生成水，这样便使得电池内部气体的再复合，防止失水，实现免维护。

The application of the alloy that can effectively reduce the release of hydrogen, the special technique in manufacturing grid, and the appropriate match of active materials of both negative plates and positive plates, all these enable spiral valve-regulated sealed lead-acid battery, greatly restrain the release of hydrogen from negative plates, at the same time the generated oxygen, due to overcharge of positive plates, arrive at negative plates through the diaphragm and compose with lead in the negative, thus enable the recombination of gas inside of the battery and prevent the case of water loss so that water addition is free.

选择特点：有较高的放电电压曲线，使用环境宽松，能完全释放能量，适用于1min以内的支撑时间，与GCplus15配合使用，可保障变频器恒定的直流电压。卷绕式阀控密封铅酸蓄电池通过采用具有极高析氢过电位的合金通过特殊工艺制造板栅，同时对正负极活性物质量的合理匹配等工艺措施，使得负极上发生的析氢过程得以最大限度地受到抑制，同时正极因过充电所产生的氧气通过隔膜到达负极，并与负极上的铅发生反应，生成水，这样便使得电池内部气体的再复合，防止失水，实现免维护。

The application of the alloy that can effectively reduce the release of hydrogen, the special technique in manufacturing grid, and the appropriate match of active materials of both negative plates and positive plates, all these enable spiral valve-regulated sealed lead-acid battery , greatly restrain the release of hydrogen from negative plates, at the same time the generated oxygen, due to overcharge of positive plates, arrive at negative plates through the diaphragm and compose with lead in the negative, thus enable the recombination of gas inside of the battery and prevent the case of water loss so that water addition is free.

外型尺寸参考具体型号产品认证 ISO9001，CE，UL卷绕式阀控密封铅酸蓄电池通过采用具有极高析氢过电位的合金通过特殊工艺制造板栅，同时对正负极活性物质量的合理匹配等工艺措施，使得负极上发生的析氢过程得以最大限度地受到抑制，同时正极因过充电所产生的氧气通过隔膜到达负极，并与负极上的铅发生反应，生成水，这样便使得电池内部气体的再复合，防止失水，实现免维护。

This study investigates the understanding situation of Middle School Students"in theterms of the following 3 dimensions: the definition of negative number, therelationship of negative number and life and the operation of rational numbers withpurpose of understanding the students"cognition of negative number"s essentialfeatures and finding the root cause which results in negative number concept"scognition difficult as well as raising teaching improvement measures.

本研究从负数的概念、负数与实际生活情境之间的联系以及有理数的运算三个纬度调查了初中生对负数概念的理解情况，目的是为了深入了解初中生对负数概念本质特征的认识，寻找引起概念认知困难的根本原因，并提出有针对性的教学改进措施。

The asymmetry of sidebands can be observed in two aspects:on the one hand,the asymmetry of the power between the positive and the negative order numbers is obvious,which can be observed that the intensity of the positive second order is higher 14.28 dBm than that of the negative same order;on the other hand,the sideband asymmetry numbers from the positive to the negative orders are also obvious,the number of the positive orders is more 5 numbers than that of the negative.

实验结果表明，光谱不对称性主要存在两方面的明显特点：1强度不对称性，最明显时正二级的强度比负二级的强度高14.28 dBm ；2数量不对称性，最明显时正级数量要比负级数量多5个。

Influence of active components in the catalyst and acetonitrile hydrogenation condition on behaviors of the catalyst and stability of the catalyst were investigated.

研究了催化剂活性组分和乙腈催化加氢工艺条件对催化剂性能的影响，并考察了该催化剂的稳定性。

The activation energy of the reaction with solid super acidic catalyst is obviously lower than that of the reaction without catalyst, Sugesting that S2O8(superscript 2-)/TiO2-Al2O3 is the the effective catalyst of the synthesis of amyl acetate.

固体超强酸S2O82-/TiO2-Al2O3使反应活化能明显降低，是乙酸异戊酯合成的有效催化剂。

Industrial gas / liquid purification catalyst, adsorbent organic compounds and metals as the main research directions, with eight experienced and deep support of the Engineering and Technology, Taiyuan, Qingdao University, Beijing Nonferrous Metal Research Institute of University established a long-term Relations of cooperation, is now a sulfur-tolerant shift catalyst, at room temperature fine desulfurizer, antichlor, sulphur recovery catalyst.

以工业气体/液体净化催化剂，吸附剂及贵金属有机化合物为主要研究方向，拥有八名经验丰富，学养深厚的高工，并于太原理工大，青岛大学，北京有色金属研究院等高校建立了长久的合作关系，现已形成耐硫变换催化剂，常温精脱硫剂，脱氯剂，硫磺回收催化剂。

In this paper, oligomerization catalyst was prepared by impregnation and the performance of Fe-Ni catalyst was studied for mixed butene oligomerization.The effect of preparation conditions, reaction conditions and molding methods of powder catalyst was separately studied on the performance of mixed-butene oligomerization.

本文采用浸渍法制备了齐聚催化剂，考察了负载型Fe-Ni催化剂在催化混合丁烯齐聚反应中的性能，研究了催化剂的制备条件、反应条件和成型等对混合丁烯齐聚性能的影响。

Sodium citrate; calcium carbonate; calcium hydroxide; potassium bicorbonate; magnesium carbonate; ferrous sulphate; Zinc sulphate; copper sulphate; manganese sulphate; potassium iodide; sodium selenite.

柠檬酸钠；碳酸钙；氢氧化钙；碳酸氢钾；碳酸镁；硫酸亚铁；硫酸锌；硫酸铜；硫酸锰；碘化钾；亚硒酸钠。

All this to say that I'm glad filmmaking hasn't become completely ironic. I can enjoy an ironic film as much as the next person, but they usually involve a message of some sort. One that's delivered in a smirkingly clever way that requires little in the way of talent.

所有这些都是说，我很高兴电影制作没有变成完全讽刺艺术，我可以和下一个人一样享受讽刺电影的乐趣，虽然他们经常会被划归到一定级别，技术方面不需要很高的才能。