查询词典 carbon

The method which is composed of pre-impregnating in soaker, painting coating on the surface of carbon/carbon composite, and solidifying the coating, was first used for the preparation of a good anti-oxidation coating on the composite.

摘 要：采用在C/C复合材料基体表面预先浸涂浸渍剂，再涂刷涂层并进行涂层固化处理的工艺方法，可制备出抗氧化性能良好的涂层。

In order to require of the decarburized layer depth of T11A～T13A carbon tool steel wire rod up to the GB/T1298-1986 standard,the correspond heating processes for roughing soaking pit,pusher-type furnace for structural steel and rail and step-by-step furnace for wire were established based on the feature of T11A～T13A carbon tool and process technology in Pan Steel Co.

为使攀钢T11A～T13A碳素工具钢盘条的脱碳层深度满足GB/T12 98 1986标准的要求，根据T11A～T13A碳素工具钢的特点及攀钢的生产工艺，对初轧均热坑、轨梁推钢式加热炉及线材的步进式加热炉制定了相应的加热工艺，生产出的T11A～T13A碳素工具钢盘条的脱碳层全部满足GB/T12 98 1986标准的要求。

C. gloeosporioides mycelium grew well on media with fructose and glucose as carbon source while sorbose and starch promoted sporulation. The mycelia of C. dematium grew well with maltose as carbon source while starch promoted sporulation. Of the nitrogen sources tested, organic nitrogens were beneficial for both mycelial growth and sporulation but chemical nitrogens suppressed both growth and sporulation.

供试碳源中果糖和葡萄糖有利于胶孢炭疽菌的菌丝体生长，山梨糖和淀粉有利于其产孢；麦芽糖有利于黑线炭疽菌的菌丝体生长，淀粉有利于其产孢；氮源中有机氮有利于2种炭疽菌生长和产孢，化学氮源则表现抑制作用。

Some weapons for pure iron or steel products, which shows that China as early as the Warring States period block Lian law has been popular, and has created this law is a sponge iron manufacture of high carbon steel by carbon technologies, and to the hands of China Quenching Technology Early age of two centuries.

有些兵器为纯铁或钢制品，这表明中国早在战国时期块炼法已经流行，并已创造出以此法得到的海绵铁增碳素制造高碳钢的技术，并把中国掌握淬火技术的年代提早了两个世纪。

It is pointed out that under the condition of the temperature of 1120℃, the reaction time of 16 mm and the carbon content of 27%, the metal transformation rate of sponge iron used for general metallurgy is up to 90%. But the optimal carbon content is 29% for iron sponge to treat DSD acid oxidation wastewater. Under condition of the wastewater's pH value of 3 to 5 and the reaction time of 40min, the removal rates of COD and color are 68% and 90%, respectively. The BOD/COD ratio is up to 0.425 when DSD oxidation acid water is treated with sponge iron.

研究表明：在配碳量27%、反应温度1160℃、反应时间16min的情况下，以铁泥为原料制备的常规海绵铁的金属化率可达90%以上；用于处理DSD酸氧化废水的海绵铁适宜配碳量为29%，用制备出的海绵铁处理DSD酸氧化废水，在pH值3~5、反应时间40min时，出水的COD去除率可达68%、色度的去除率达90%、可生化性指标BOD/COD提高到0.425。

Experimental results indicate that there is a critical value of carbon fiber weight fraction which effects the electrical properties of SCF/NBR.When carbon fiber weight fraction comes to this critical value,volume specific electrical resistance and static ...

通过实验发现，碳纤维的含量对短碳纤维／丁腈橡胶（ShortCarbonFiber／NitrileButadieneRubber）电性能的影响，存在一个临界值，当碳纤维的含量达到此临界值时，SCF／NBR的体积比电阻和静电电压都得到显著的降低。

Carbon that is higher than the stoichiometric value brings about the formation of free carbon, i.e.

ISO 4505 高于化学计量值的碳会导致游离碳的形成，即材料中的非化合碳。

When mixed into the same carbon fiber quantity is 1.0%, differ age material's AC impedance chart is discrepancy very much, along with to hydrate age's add, C-S-H gel isa great deal of form, the solution resistance at the concrete is gradually aggrandizement, the carbon fibre of here qua transmit electricity quality disperse would leading effect of conductance, along with the add of exterior load, the transmit electricity quality of concrete is almost nothing change, till breakage, resistance change rate tempestuousness add, and that the resistance change rate along with inside stress linearity add of corbon fibre concrete in elasticity phase, when near peak value load, resistance rate just gradually add, indicate the test sample would be about to breakage.

当碳纤维体积掺量同为1.0%时，不同龄期材料的交流阻抗谱相差很大，随着水化龄期的增长，C-S-H凝胶大量形成，水泥基材料中的溶液电阻逐渐增大，此时作为导电性分散相的碳纤维将起电导的主导作用。随着外部荷载的增加，基准水泥基材料的导电性几乎无变化，直到破坏时，电阻变化率剧烈增大，而碳纤维水泥基材料在弹性阶段其电阻变化率随内部应力线性增加，当接近峰值荷载时，电阻率才逐渐增大，预示试件即将破坏。

First, different types of conducting materials chosen as raw materials are pressed into different form and different content terrazzo include graphite of 1000 meshes, graphite of 325 meshes, spherical graphite, carbon black, acetylene black and conductive Carbon Black, whose performances of analysis and comparison was made.

在实验过程中，通过选取不同类型的导电填料，制备了不同类型、不同含量的1000目石墨、325目石墨、球形石墨、普通碳黑、乙炔碳黑以及导电碳黑的抗静电地板，并对抗静电地板的性能作了分析和比较，最后选择了乙炔碳黑作为导电填料。

In the occurrence of arcs discharges, spark discharges and corona discharges, sulfur hexafluoride (SF6) would be decomposed to complicated byproducts such as carbon dioxide (CO2), carbon tetrafluoride (CF4), etc.

六氟化硫（SF6）气体在电弧、电火花和电晕放电的作用下会发生分解，产生二氧化碳（CO2）、四氟化碳（CF4）等分解产物。

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。