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- The discoloring effectiveness of raw L-lactide with active carbon method is better than that of precipitation method. 用活性炭對L-丙交酯粗品進行脫色比用沉澱法脫色效果好,收率較高。
- Preparation of carbon molecular sieves(CMS)from brown coal by two-step carbonization method(TSC)has been investigated in this work. 本文針對高揮發分的褐煤原料,提出兩步炭化法制炭分子篩概念,並考察了工藝條件和產品空分性能。
- Nanosized-aluminum hydroxide powder is prepared by the carbonation method from sodium aluminates solution and carbon dioxide in a rotating bed with helix channels. 以偏鋁酸鈉溶液和二氧化碳氣體為原料,採用螺旋通道型旋轉床超重力法製備納米氫氧化鋁粉體。
- The synthesis process of light magnesium carbonate from low-grade magnesite by carbonation method is described. 利用低品位的菱鎂石為原料,採用碳酸法生產工藝合成輕質碳酸鎂。
- A transistorize radio takes no time to warm up. 晶體管收音機不需要預熱時間。
- Radon measurement by active carbon method 活性炭測氡
- Carbonation process of interval bubbling carbonation method to produce super-fine calcium carbonate is a four phases slurry reaction process. 間歇鼓泡碳化法生產超細碳酸鈣的碳化過程是一個四相漿態反應過程。
- Monodispersed spherical nanometer calcium carbonate particles were synthesized by the batch bubbing carbonation method . 採用間歇鼓泡碳化法,初步分析了單分散球形納米碳酸鈣製備的可能性。
- Radio Beijing sends the news all over the world. 北京廣播電台向全世界播送新聞。
- She petitioned her neighbor to turn down the radio. 她請求鄰居把收音機關小點聲。
- They've been plugging his new show on the radio. 他們一直在電台上宣傳他的新節目。
- How much do you think this radio will sell for? 你認為這台收音機會賣多少錢?
- I am able to pick you up on the short wave radio. 我能用短波收音機收聽到你的信號。
- I was able to pick you up on the short wave radio. 我能用短波收音機收聽到你的信號。
- Let's set the clock by the radio time signal. 咱們照著收音機的報時信號把鍾對一對。
- The plane homed in on the radio beacon. 飛機遵循導航台信號降落。
- The radio relieves the monotony of everyday life. 收音機緩解了我們日常生活的單調狀況。
- Don't you think the radio's a bit loud? 你覺得收音機的聲音是不是太吵了點?
- I make a carbon copy of my documents. 我用複寫紙複寫文件。
- 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. 採用水化碳酸化處理鎂鈣砂製備的水結合含鈣澆注料的物理性能等同或優於普通鎂質澆注料的物理性能。