concession period

基本解释(持有)特许权(的)期间

网络释义

1)concession period,(持有)特许权(的)期间2)concession period,持有特许权的期间3)hold,“持”4)retain,保持,维持5)holding power,持黏6)retention,保持7)support,支持8)sorption,吸持9)holding rate,持率10)maintenance,保持

用法和例句

From testing the properties of acrylate emulsion PSA in market,such as the initial adhesion,holding power,peeling strength and aging resistance,it concludes that the initial adhesion and holding power of aqueous acrylate PSA interact each other,and the holding power corresponds with cohesion.

通过对市场上常用乳液丙烯酸酯压敏胶各方面性能的测试,如初黏力、持黏力、剥离强度及耐老化性,得出结论:水性丙烯酸压敏胶的初黏与持黏是相互制约的,而持黏与内聚力是相对应的;采用交联、加入增黏树脂等方法可进一步提高初黏力及剥离强度,从而平衡胶水的各方面性能,但这是以降低胶水的内聚力为代价的;可以根据时温等效原理来衡量胶水长时间后的老化效应;建立了合理的评价方法,为选择合适类型的乳液丙烯酸酯压敏胶供了参考。

Effect of Participants′ Contact Information on Cohort Retention among Injection Drug Users;

静脉吸毒人群虚假联系信息对队列保持率影响的初步研究

The circuit design of data retention during power-down based on MAX6361;

基于MAX6361的掉电保持电路的设计

A Clinical Study and Application in Individualized Retention of Fixed and Removable Retainers;

正畸活动和固定保持器的临床研究与个性化设计

Application of MapX and Mapinfo in decision-support system for flood control of the Yellow River in Shandong Province;

MapX和Mapinfo在山东黄河防汛决策支持系统中的应用

Discuss the supports with IT in the implementation of integrated curriculum;

浅议信息技术对综合课程实施的支持作用

Copper Sorption and Desorption by Loess in Water-Sediment Systems;

高含沙水体中黄土吸持和释放铜的机理

In situ immobilization of heavy metals by plant polyphenol in metal-contaminated soils:I. Effect on sorption and dissolution of copper;

植物多酚物质原位钝化污染土壤重金属的研究 I.对土壤Cu吸持与溶出的影响

In order to define potential risk of phosphorus loss,phosphorus sorption characteristics in soils under different land utilization were compared by evaluating phosphorus sorption isotherms.

研究结果表明,川西山地旱地土壤磷素水平较高,但其对磷的固定能力较差,标准需磷量最低,磷吸持饱和度和磷零吸持平衡浓度则高于其他土壤,这就决定了旱地土壤中的磷被淋溶或随地表径流流失的风险明显高于其他土壤。

Maintenance approachs of complete male sterility in Brassica napus L.;

甘蓝型油菜雄性不育完全保持的途径

Establishment and maintenance of longan embryogenic cell lines;

龙眼胚性细胞系的建立与保持

The fostering,gestation and maintenance of sensitivity are a crucial task of editors in charge in their long work practice.

敏感性的培养、孕育与保持,是责任编辑长期工作实践中的一项重要任务。

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