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- The discoloring effectiveness of raw L-lactide with active carbon method is better than that of precipitation method. 用活性炭对L-丙交酯粗品进行脱色比用沉淀法脱色效果好,收率较高。
- Preparation of carbon molecular sieves(CMS)from brown coal by two-step carbonization method(TSC)has been investigated in this work. 本文针对高挥发分的褐煤原料，提出两步炭化法制炭分子筛概念，并考察了工艺条件和产品空分性能。
- Nanosized-aluminum hydroxide powder is prepared by the carbonation method from sodium aluminates solution and carbon dioxide in a rotating bed with helix channels. 以偏铝酸钠溶液和二氧化碳气体为原料,采用螺旋通道型旋转床超重力法制备纳米氢氧化铝粉体。
- The synthesis process of light magnesium carbonate from low-grade magnesite by carbonation method is described. 利用低品位的菱镁石为原料,采用碳酸法生产工艺合成轻质碳酸镁。
- The method seems good but it needs to be tried out. 这个方法似乎不错，但需要试验一下。
- Radon measurement by active carbon method 活性炭测氡
- Carbonation process of interval bubbling carbonation method to produce super-fine calcium carbonate is a four phases slurry reaction process. 间歇鼓泡碳化法生产超细碳酸钙的碳化过程是一个四相浆态反应过程。
- Monodispersed spherical nanometer calcium carbonate particles were synthesized by the batch bubbing carbonation method . 采用间歇鼓泡碳化法，初步分析了单分散球形纳米碳酸钙制备的可能性。
- I make a carbon copy of my documents. 我用复写纸复写文件。
- Soft drinks contain carbon dioxide. 软饮料中含有二氧化碳。
- The physical properties of MgO-CaO castable that prepared with MgO-CaO clinkers treated by light hydration and carbonization method are equal to or better than those of MgO castable. 采用水化碳酸化处理镁钙砂制备的水结合含钙浇注料的物理性能等同或优于普通镁质浇注料的物理性能。
- It is proved that the TSC method has the advantages of easy shaping,little bindercon suming,high strength and good air separation ability of the CMS,which is superior to one-step carbonization method. 结果表明，与一步法相比，两步炭化法制炭分子筛具有易成型、粘结剂用量少，炭分子筛强度高和空分性能好等优点。
- I have some carbon paper somewhere or other. 我记得我在什么地方放有复写纸。
- I can't claim infallibility for this method. 我不敢说这方法绝对有效。
- Ferrous iron reduces to ferric iron. 二价铁能还原成三价铁。
- Summer fallow is the best method of destroying weeds. 夏季休耕是消灭杂草的最好办法。
- She's a carbon copy of her sister. 她跟她姐姐一模一样。
- Ferric Chloride alone gives polymer with benzene. 三氧化铁可单独催化苯的聚合。
- Popularizing this new method is not an easy job. 推广这种新方法不是件容易的工作。
- ferric carbon 铁碳
