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- Secondary production is defined as the rate of production of new biomass by heterotrophic organisms. 次级生产力的定义是异养有机体的新生物量的生产速率。
- Positions on the chromatograph of intermediate 1 and secondary product B were determined, and endpoint control of the reaction was established according to the chromatograph. 确定了该反应中间体1及副反应产物B在色谱图上的位置，根据色谱图建立反应的终点控制；
- Both the alcohols and aldehydes are secondary products of the oxidation. 醇和醛两者为氧化的次级产物。
- Secondary production is the manufacturing and assembly process. This involves converting raw materials into components, e. G. Making plastics from oil, and assembling the product e. G. Building houses, bridges and roads. 第二级产品是属于制造和匹配的过程。它涉及到把原材料转换成为组成单元,例如,制造用油作原料的塑料制品,也涉及到产品的分配,例如,构建房屋,桥梁和道路。
- Previous studies have indicated that marsh primary production not only supports the food web within the salt marsh,but also provides trophic support for estuarine secondary production. 盐沼湿地是初级生产力较高、物种较为丰富、食物网结构和碳流途径十分复杂、并具有重要生态功能的特殊生态系统类型之一。
- The transpired air does not include any oil content, which remove the vexation of the facilities with air and the secondary products polluted the oil. 排出的空气不含油份，解除油对用设施和二次产品污染的烦恼。
- The effect of 6 grazing intensities on growth of yak and the secondary productivity of sward was studi-ed. 试验研究了6种放牧强度对牦牛生长及草地第二性生产力的影响。
- The transpired air does not include any oil content, which remove the vexation of the facilites with air and the secondary products polluted the oil. 排出的空气不含油份,解除油对用设施和二次产品污染的烦恼。
- Slags from primary and secondary production 初级和次级生产产生的炉渣
- The transpired air does not include any oil content,which remove the vexation of the facilites with air and the secondary products polluted the oil. 排出的空气不含油份，解除油对用设施和二次产品污染的烦恼。
- Glucosinolates are nitrogen-and sulfur-containing natural plant secondary products found mainly in the Brassicaceae family. 芥子油苷是一类含氮、含硫的植物次生代谢产物，主要分布于十字花科植物。
- Salt slag from primary and secondary production 初级和次级生产产生的炉渣盐
- Salt slags from secondary production 次级生产产生的盐炉渣
- He hit the tennis ball over the net. 他把网球打过了网。
- The ball glanced off the goal post into the net. 球撞到球门柱上斜飞入网。
- The net weight of this jar of coffee is 180 grams. 这瓶咖啡净重180克。
- Caliche crusts are secondary products formed by the dissolution of meteoric water on former lithified sediments and rocks during their exposure into subaerial vadose environments. 钙结壳是土壤层之下的岩石在出露地表渗流带环境内受大气雨水的溶解,并通过上覆土壤层的淋滤而成的产物。
- Slap-up products include artificial graphite and calcined petroleum coke;Secondary products include calcined anthracite and natural crystallitic graphite. 高档产品为人造石墨，煅烧石油焦，中档产品为煅烧无烟煤，天然微晶石墨，低档产品为冶金焦，煤粉。
- If I lose my job, I've got no safety net. 我丢掉这份工作就无计可施了。
- The fish tangled in the mesh of the net has died. 那条卡在网眼上的鱼已经死了。
