The invention relates to a method for preparing a sulfonated carbon solid acid catalyst, which uses a sulfonic aromatic compound to replace sulfuric acid.
本发明涉及一种以磺酸基芳香化合物代替硫酸制备磺酸化的炭质固体酸催化剂的制备方法。
This allows the catalyst to break down the remaining methane into solid carbon and hydrogen gas.
这使得催化剂能将余下的甲烷分解成固体碳和氢气。
Tests showed that the catalyst remains active for seven hours before it becomes choked up with solid carbon.
测试表明，这种催化剂若没有被碳消耗则7小时后仍具有活性。
The CO2, as it's converting a solid fuel to a gas, also has the ability to react with the carbon char that is forming.
在将固体燃料转换为合成气时，二氧化碳也会与正在形成的焦炭反应。
During the spring, carbon dioxide changes from a solid to a gas with enough force to trigger small avalanches.
在春季，二氧化碳从固体升华为气体的过程中有足够的能力引发小型雪崩。
Without the greenhouse gases carbon dioxide and water vapor to trap heat, for example, Earth would be frozen solid.
如果没有温室效应释放二氧化碳和水蒸气以起到保温作用，地球就会凝结成固体。
Some companies have commercialized a process that captures carbon dioxide and converts it to solid material, but those efforts rely on a chemical process to capture carbon dioxide.
一些公司已经将捕获二氧化碳和将其转换为固体材料的过程商业化，但此类做法还是依赖于化学手段。
Inside, lime bonds with the carbon dioxide to form solid calcium carbonate.
在内部石灰与二氧化碳结合生成碳酸钙固体。
The ice cap could be thinner and still protect water if it were topped with a layer of frozen atmospheric gas, such as dry ice, which is solid carbon dioxide.
若冰层上方还存在一层固态气体层，如干冰——二氧化碳的固态形式，维持液态水存在的冰层厚度要求就能相对降低。
Spring on Mars sees plumes of carbon dioxide vaporizing from solid blocks of dry ice as they warm up in the sunlight.
每年春季，火星表面的干冰(固体二氧化碳)在阳光照射下，会由固态升华为气态。
Carbon dioxide is bubbled into water, and then combined with mineral ions to make solid carbonate materials.Enzymes in the yeast help the mineralization process.
于是他们把二氧化碳通入水中，与矿物离子混合，再加入改造后的酵母菌，其中含有的酶能够促进矿化过程。
Carbon dioxide is bubbled into water, and then combined with mineral ions to make solid carbonate materials. Enzymes in the yeast help the mineralization process.
于是他们把二氧化碳通入水中，与矿物离子混合，再加入改造后的酵母菌，其中含有的酶能够促进矿化过程。
The facts: Well, there is no solid way to prove or disprove it, since the very theory says the carbon dating of this age is flawed.
事实说话：因为这个理论宣称当今的年份有误，所以证实它真伪有非常可靠的方法。
Diamond is a third form of solid carbon.
金刚石则是第三种形式的固态碳。
A solid solution of ferric carbide or carbon in iron; cools to form pearlite or marten site.
含铁碳化物或含碳铁的固体溶体，冷却可形成珠光体或马氏体。
The iron wants to change from the FCC austenite structure to the BCC ferrite structure, but the ferrite can only contain 0.02% carbon in solid solution.
铁需要从面心立方体奥氏体结构转变为体心立方体铁素体结构，但是铁素体只能容纳固溶体状态的0.02%的碳。
Since this chemical separation of the carbon component occurs entirely in the solid state, the resulting structure is a fine mechanical mixture of ferrite and cementite.
由于这种碳成分的化学分离完全发生在固态中，产生的组织结构是一种细致的铁素体与渗碳体的机械混合物。
For motor frame size 180 and above, the inner mechanical seal shall be constructed with a solid block carbon rotating seal face and a solid block silicon carbide stationary seal face.
用于尺寸180以上的电机机架，内置的机械密封结构应该采用一块整体结晶碳旋转密封面和一块整体结晶碳化硅固定密封面。
Biomass pellet machine solid fuel low ash low sulfur, nitrogen oxides, sulfur dioxide, carbon dioxide and soot particle emissions is far less than coal-fired power generation.
生物质颗粒机固体燃料低灰低硫，氮氧化物、二氧化硫、二氧化碳以及烟尘颗粒的排放远低于燃煤发电。
The solid residue mainly contains residual carbon.
固体残余物中主要是残碳。
Hexagonal wire mesh is made of low carbon steel wire, solid structure, and smooth surface.
六角网是由优质低碳钢丝制成，此网结构坚固，表面平坦。
A entirely set of method to separate and determine solid solution boron, carbon boride, alloy elements boride, boron oxide and boron nitride in low boron steel is established.
通过实验，建立了一整套低硼钢中固溶硼、碳硼化物、合金元素硼化物、氧化硼和氮化硼的分离、测定方法。
Some factors affect solid carbon reduction(DR) were analysed in this thesis with the experimental method of orthogonal design. The optimum program was reached for directing actual production.
本文利用正交设计的试验方法，对影响固体碳直接还原的若干因素进行了分析，从而得出最优化的方案，目的是用于指导实际生产。
The main deoxidized product of the dephophorus reaction with solid carbon is gas P_2in high temperature.
研究结果表明：在高温条件下，固体碳气化脱磷反应的主要还原产物是P_2气体。
At the upper temperatures, only austenite is present, the 0.77% carbon being dissolved in solid solution with the iron.
在较高温度时，只存在奥氏体，0.77%的碳溶解在铁里形成固溶体。
The principle, feature, effect and problem of different methods for removal of copper from the saturated carbon hot metal, molten steel and solid scrap are induced in this article.
系统地介绍了从饱和碳铁水、钢水和固态废钢中脱铜的各种方法的原理、特点、效果及存在问题。
The solid carbon represented by C60, namely fullerenes, is the third form of carbon following graphite and diamond.
以C60为代表的固态碳．即富勒碳是继石墨和金刚石之后所发现的第三种单质碳。
Biomass is an important renewable carbon resource that can be converted into normal fuels as solid, liquid and gas as well as other chemicals or products.
生物质是唯一可转化成常规的固态、液态和气态燃料以及其它化工原料或产品的可再生碳资源。
Biomass is an important renewable carbon resource that can be converted into normal fuels as solid, liquid and gas as well as other chemicals or products.
生物质是唯一可转化成常规的固态、液态和气态燃料以及其它化工原料或产品的可再生碳资源。
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