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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。
- A transistorize radio takes no time to warm up. 晶体管收音机不需要预热时间。
- 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。
- Radio Beijing sends the news all over the world. 北京广播电台向全世界播送新闻。
- She petitioned her neighbor to turn down the radio. 她请求邻居把收音机关小点声。
- They've been plugging his new show on the radio. 他们一直在电台上宣传他的新节目。
- How much do you think this radio will sell for? 你认为这台收音机会卖多少钱?
- I am able to pick you up on the short wave radio. 我能用短波收音机收听到你的信号。
- I was able to pick you up on the short wave radio. 我能用短波收音机收听到你的信号。
- Let's set the clock by the radio time signal. 咱们照着收音机的报时信号把钟对一对。
- The plane homed in on the radio beacon. 飞机遵循导航台信号降落。
- The radio relieves the monotony of everyday life. 收音机缓解了我们日常生活的单调状况。
- Don't you think the radio's a bit loud? 你觉得收音机的声音是不是太吵了点?
- I make a carbon copy of my documents. 我用复写纸复写文件。
- 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。