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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。
- The results show that the wastewater pretreated by PAM coagulation/precipitation iron carbon micro cell process and then treated by biofilm SBR process can meet the discharge standards. 试验数据表明，废水经PAM混凝沉淀-铁炭微电池预处理和生物膜SBR处理后，可达标排放。
- 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。
- 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。
- Radon measurement by active carbon method 活性炭测氡
- Napoleon conquered by the force of an iron will. 拿破仑攻无不克靠的是坚强的意志。
- It will take weeks to get all the wrinkle iron out. 解决这些难题得要几周时间。
- Have you any scrap iron knocking about? 你那儿有散在各处的废铁吗？
- He cut the iron pole to the size he wanted. 他把铁杆锯成他需要的尺寸。
- It is some kind of plastic made to imitate iron. 这是一种塑胶，但外观仿制得像铁。
- 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。
- That iron is a good conductor is known to us all. 铁是良导体这是我们大家都知道的。
- I make a carbon copy of my documents. 我用复写纸复写文件。
- She seared her hand on the hot iron. 她的手被热熨斗烫伤。
- Soft drinks contain carbon dioxide. 软饮料中含有二氧化碳。
- 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。
- We need an electrician to mend the iron. 我们要请电工修理熨斗。
