1、Cord blood separation and volume reduction is first needed to meet THD practical bank requirement for the high expense of liquid nitrogen preservation equipment.───脐血库液氮保存设备费用昂贵，需要预先分离脐血单个核细胞以减少样本冻存体积，以满足建库实际需求。
2、A Comparative Study on Nitrogen Metabolism and Nitrogen Requirement for Maintenance in Roosters and Layers Fed Antibiotic-free Diets───公鸡和母鸡氮代谢及氮维持需要量的比较研究
3、Nitrogen Requirement for Maintenance in Shaoxing Ducks───绍鸭氮维持需要量的研究
4、etherification process of FCC light gasoline meets the requirement of producing clean gasoline, while the basic nitrogen compounds can deactivate the etherification catalyst-sulfonic acid resin.───催化裂化轻汽油醚化工艺适应了生产清洁汽油的要求，轻汽油中含有的少量碱性氮化物中和阳离子交换树脂催化剂的酸性，造成催化剂失活。
5、The invention is particularly applied to treat the distribution sewage with a high cost pipe building and a high requirement of the nitrogen and phosphorus removal.───该 技术特别适用于管网建设费用高、脱氮除磷要求高的分散污水处理。
nitrogen requirement（意思翻译）
需氮量
nitrogen requirement（相似词语短语）
1、ammoniacal nitrogen───氨态氮；[化] 氨型氮
2、nitrogen fertilizer───[肥料]氮肥；氮肥肥料；氮肥（料）
3、progression requirement───进度要求
4、nitrogen───n.[化学]氮
5、nitrogen species───形态氮
6、course requirement───课程要求
7、nitrogen balance───[生理]氮平衡
8、requirement───n.要求；必要条件；必需品
9、margin requirement───[金融]保证金要求；法定保证金；保证金标准，额定保证金
nitrogen requirement（双语使用场景）
1、Cord blood separation and volume reduction is first needed to meet THD practical bank requirement for the high expense of liquid nitrogen preservation equipment.───脐血库液氮保存设备费用昂贵，需要预先分离脐血单个核细胞以减少样本冻存体积，以满足建库实际需求。
2、A Comparative Study on Nitrogen Metabolism and Nitrogen Requirement for Maintenance in Roosters and Layers Fed Antibiotic-free Diets───公鸡和母鸡氮代谢及氮维持需要量的比较研究
3、Nitrogen Requirement for Maintenance in Shaoxing Ducks───绍鸭氮维持需要量的研究
4、etherification process of FCC light gasoline meets the requirement of producing clean gasoline, while the basic nitrogen compounds can deactivate the etherification catalyst-sulfonic acid resin.───催化裂化轻汽油醚化工艺适应了生产清洁汽油的要求，轻汽油中含有的少量碱性氮化物中和阳离子交换树脂催化剂的酸性，造成催化剂失活。
5、The invention is particularly applied to treat the distribution sewage with a high cost pipe building and a high requirement of the nitrogen and phosphorus removal.───该 技术特别适用于管网建设费用高、脱氮除磷要求高的分散污水处理。