So,it not only becomes the priority object for governments in the world to develop,but also has especial meanings for China developing public transportation when our country facing challenges of mobility and city modernization.
公共交通与其他交通方式相比,具有人均占用道路资源少、高效、节能等优点,已成为世界各国政府优先扶植发展的对象,当今我国城市正面临着机动化和城市化的双重挑战,长期大力发展公共交通同样具有十分重要的意义。
As our actually situation,the city should be firstly developing the public transport priority and make the main of the public transportation.
从我国的国情出发,我国城市应实行公交优先发展、公共交通为主的政策。
Started from the pollution status of organic toxicants along Yangste river in Jiangsu provinces,the sifting method of priority organic toxicants are present and applied,some suggestions of pre-warning system of prior control organic toxicants are listed in this paper.
长江(江苏段)的有机毒物污染控制对于保障饮用水安全具有十分重要的意义,通过对长江(江苏段)有机毒物污染和沿岸污染源现状的分析,提出并举例说明筛选优先控制有机毒物的方法,并对建设江苏沿江优先控制有机毒物污染的预警体系提出了建议。
The article refers to some sifting methods about prior controlled chemicals at home and abroad.
由于其三致毒性和遗传效应,在一定区域内准确筛选出优先控制的有机毒物名单显得尤为重要。
The results indicated that the separation between copper and zinc was actualized through which first selecting copper by controlling zinc through rational combination of Na2S,ZnSO4 and Na2SO3,at last selecting zinc from copper tailing using preferential flotation flowsheet.
针对某复杂铜锌硫化矿石的综合回收开展分离浮选试验研究,试验研究结果表明:采用优先浮选流程,选用硫化钠、硫酸锌和亚硫酸钠合理组合抑锌选铜,最后从铜尾矿中选锌,实现了铜锌分离,获得了铜回收率73。
Some copper is preferentially floated firstly with ERAZII as capture agent, then the copper and lead co-preferential flotation is conducted, and finally the copper concentrate and lead concentrate are separated from the mixed concentrate.
采用新型铜捕收剂ERAZⅡ,部分优先浮选铜,然后铜铅混合优先浮选,混合精矿再铜铅分离。
The small and pilot scale tests of separating lead,Zinc from cyanide tail are described,Adopting preferential flotation method to recover lead, zinc from cyanide tail open vast vista in the similar mines.
用优先浮选方法 ,从氰化尾矿中回收铅、锌工艺 ,在同类矿山中的应用前景看好 ,可为企业创造新的经济增长点。
Enhancement of copper and gold concentrates indexes by using selective flotation process;
采用优先浮选工艺提高铜金浮选指标
Experimental results showed that applying selective flotation process and optimum reagent condition can efficiently separate the lead-zinc minerals and obtain lead concentrate of 63.
试验结果表明:采用铅优先浮选工艺和合理的药剂条件,可以有效地实现铅锌分离,获得铅精矿品位63。
In view of the characteristics of the PbZn sulphide ore of fine dissemination size and complicated intergrowth relations,a flotation flowsheet was put forward,which consists of selective flotation of lead minerals with Na_2CO_3 and ZnSO_4 as regulators,DZ as zinc depressant,ammonium dibutyl dithiophosphate as collector,and zinc flotation using CuSO_4 as activator,butyl xanthate as collector.
针对某铅锌硫化矿嵌布粒度微细、伴生关系复杂的特点,采用碳酸钠调浆、DZ抑制锌矿物、丁铵黑药优先浮选铅,选铅尾矿用硫酸铜活化、丁基黄药作为锌矿物的捕收剂浮锌,成功实现了铅锌的有效分离,并获得了较佳的选矿指标。
Fuzzy Reliability of Warm-fund Maintenance System of Two Components with Priority;
有优先权两部件温贮备可修系统的模糊可靠性
An Extensible Video Monitoring System of Digital Network with Priority;
一种带优先权可扩展的数字网络视频监控系统
Maintainable system for cold-storage of two-category components with different priority;
有优先权的两个不同型部件冷贮备可修系统