查询词典 carbon

Powdered activated carbon, shaped and unshaped activated carbon is made respectively.

并分别得到了定型颗粒活性炭、不定型颗粒活性炭和粉状活性炭。

Electrochemical impedance spectroscopy results indicated that the dynamics of carbon steel electrode in uranyl nitrate is complex, in which intermediate compounds were formed onto the surface of carbon steel.

等效电路分析出现感抗和常相位角元件证实有中间化合物的生成，分析认为是在氧化铀／碳钢界面处形成了低价氧化铀。

Major gas carburizing for steel parts used,the use ultra-l-ining and the international advanced energy-saving vacuum sealed fan,the furnace pressure to increase without any le-akage,temperature uniformity,warming fast,insulation good,and an atmosphere of carbon potential uniform seepage work-piece carbon

主要供钢制零件气体渗碳用，由于采用超节能炉衬和国际先进的真空密封风机，使炉压提高，无任何漏气，炉温均匀、升温快、保温好，碳势气氛均匀，工件渗碳速度加快，渗层均匀，本系列井式气体渗碳电炉大大提高了生产效率和渗碳质量。

We can be thankful that carbon dioxide is keeping us comfortably warm, but the concentration of carbon dioxide in the atmosphere is going up steadily and that is where the villainy comes in.

我们该感到欣慰，二氧化碳给我们温暖使我们舒舒服服，但是大气中二氧化碳的浓度正在稳步升高，其恶迹也就由此而生。

The physical and chemical properties of Vulcan XC-72 carbon and Pine carbon were measured with several analysis techniques.

利用多种分析手段，系统比较了VulcanXC-72炭和上海松木炭的物理、化学性质对Pt/C电催化剂性能的影响。

Such a viewpoint of the effects of a little water addition has never been reported, it opened a new way to product SWCNTs with high purity and low cost. On the ground of the experimental results and mechanism studies, a little water addition may open a way for using the natural gas as carbon source to manufacture SWCNTs. By analyzing XRD, XPS results and with comparative experiments, we concluded that the active phases of SWCNTs growth in Ar were small Fe particles. A little W species can improve the surface characters of support and increase the dispersion of Fe particles, but higher W loading will cause large quantity of WC, which decompose CH〓 to amorphous carbon.

本文根据W-Fe-MgO催化剂中间产物和粗产物的XRD、XPS测量结果，结合制备实验和对比实验指出：在Ar中1073K下，生长SWCNTs的活性相是Fe的小颗粒，少量W在催化剂中以氧化物形式对载体表面改性，起提高Fe分散度的作用，但W浓度过高时在反应过程中会生成大量WC，又会催化CH〓分解为无定形碳，造成产物中SWCNTs含量下降。

From the UV spectra, it can be found that the aromaticity of acenaphthenyl groups in C_2 gum is the largest. But there are 30 carbon atoms in the conjugated structure of condensed aromatics in C_1 gum and C_3 gum, while 28 carbon atoms in acenaphthenyl groups in C_2 gum.

但是，在C_1胶、C_2胶和C_3胶三者中，C_1胶侧链上的四苯基苯基和C_3胶侧链上的菲式多苯基苯基都含有30个碳原子，而C_2胶侧链上的苊式多苯基苯基含有28个碳原子，比前面二者小2个碳原子，理应其芳香性在三者之中最小，但事实却恰恰相反。

Which is made up of long carbon chain by N-alkylation or acylation,The surface activity is greatly enhanced because of structure of borate surfactants and the basic property of long carbon chain.

它们将长碳链通过N烷基化和酰化联接在一起的一类含硼表面活性剂，由于是含四配位硼氧杂环结构的表面活性剂和结合长碳链的基本性质从而极大的提高了表面活性。

Keywords Adsorbable organic halogen\ Ozone oxidation\ Granular activated carbon\ Powdered activated\ carbon

可吸附有机卤化物；臭氧氧化；粒状活性炭；粉末活性炭

The carbon-bearing pellet s made of zinc-bearing dust and sludge,iron concentrates and additive of agglomerant were reduced at 1 000~1 200 °C,the effects of different kinds of additive and reduction temperature on the strength and metallization rate of carbon-bearing pellet s were studied.

将含锌尘泥、铁精矿及粘结剂混合造成的含碳球团在1050~1250℃条件下还原，研究了不同粘结剂、不同温度对其强度及金属化率的影响。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。