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- The effect of proportions of raw materials,reaction time,temperature,activity of catalyst and other parameters on the conversion of urea are investigated. 探讨了原料配比、反应时间、温度及催化剂的活性等参数对尿素转化率的影响,得出适宜的工艺条件。
- The effect of proportions of raw material, time and temperature of calcinations, and additives on the quality of product was researched using orthogonal test method. 采用正交实验的方法研究了原料配比、煆烧时间、煆烧温度、添加剂等因素对产品质量的影响。
- The production of raw materials accounts for a considerable proportion of the national economy. 原料生产在国民经济中占相当大的比重。
- In that country,the production of raw materials accounts for a considerable proportion of the national economy. 在那个国家里,原料生产在国民经济中占相当大的比重。
- The factory is in frequent scarcity of raw materials. 这个工厂经常原料不足。
- In that country, the production of raw materials accounts for a considerable proportion of the national economy. 在那个国家,原材料生产在国民经济中占相当大的比重。
- The high cost of raw materials is keeping prices up. 原料费用昂贵使得产品价格居高不下。
- By changing the proportion of raw materials,different kinds of molecular sieves are obtained,such as those of 4A zeolite,B zeolite,X zeolite ,hydroxy sodalite and their mixtures. 合成原料的配比发生改变,产品4A分子筛中会分别含有羟基方钠石、B型分子筛等杂相;控制好原料配比,可以得到纯4A分子筛、纯B型分子筛、纯X型分子筛。
- The price of raw materials has been hoisted by 15%. 原材料的价格上涨了15%25。
- The synthesis of peregal sulfate using sulfamic acid as sulphonating agent was described.Effect of various reaction conditions proportion of raw materials, the amount of catalyst ect. were discussed. 介绍了以氨基磺酸为硫酸化剂制备平平加0-15硫酸酯钠的反应条件,原料配比,催化剂用量等。
- With the production going up, an increasing supply of raw materials is needed. 随着生产量的增长,需要原材料的供应也不断增长。
- By changing the proportion of raw materials, different kinds of molecular sieves are obtained, such as those of 4A zeolite, B zeolite, X zeolite ,hydroxy sodalite and their mixtures. 合成原料的配比发生改变,产品4A分子筛中会分别含有羟基方钠石、B型分子筛等杂相;
- This is due to the rising cist of raw materials. 这是由于原材料上涨所致。
- The price of raw materials and produce change every day. 原料和农产品的价格每天都变化。
- The sea is the world's greatest storehouse of raw materials. 海洋是世界上最大的原料宝库。
- In this paper the technology study on Using B 4 C orothermic/Carbothermicreduction TiO 2 in H 2 Atmosphere Direct Compounding high-pure TiB 2 is made. The influence of the proportion of raw material? technological conditions on the purity? 用B4C在H2气氛中硼热/碳热直接还原TiO2合成TiB2工艺进行初步探讨鸦研究了原料的配比及工艺条件对合成的粉末纯度、粒度及其分布、相结构和形貌的影响。
- The sea is the world rs greatest storehouse of raw materials. 海洋是世界上最大的原料宝库。
- We cannot guarantee adequate supplies of raw materials. 我们不能保证提供充足的原料。
- What kind of raw material are you going to provide? 贵方准备提供什么原材料呢?
- High necktie production of raw materials, fillers, etc. 保加利亚求购制作高级领带的原料、填料等。