What is the full form of PPD? - Para-PhenyleneDiamine - Para-Phenylenediamine (PPD) or p-Phenylenediamine is a chemical compound that is wi
The chemical modification of waxy crude oil by adding small doses of polymer-based pour point depressants effectively improves the efficiency of natural oil pipeline transmission 26 , 27 , 28 . Widely used polymer-based PPD include ethylene polymers and their copolymers, comb-like polymers, as ...
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Guangzhou Ouzishang Fine Chemical Co., Ltd. Custom manufacturer4 yrsLocated in CNStore rating 4.9/5 On-time delivery rate 98.8% Response time ≤2h Online revenue $250,000+ Floorspace 5000m² Staff 81 Services Design-based customization Full customization Quality control QA/QC inspectors (2) ...
The triazines 3-(2-pyridyl)-5,6-diphenyl-1,2,4-triazine (PDT), 3-(4-phenyl-2-pyridyl)-5,6-diphenyl-1,2,4-triazine (PPDT), and 1,10-phenanthroline (phen) were coordinated to the Fe 2+ ion to form Fe ( PDT ) 2 ( phen ) 2 + (1) , Fe ( PPDT ) 2 ( phen ) 2 +...
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– 22 – The Bank took full advantage of its trade finance expertise and its international settlement business outperformed the market. In the first half of 2009, despite a slowdown in the import and export market, the Bank registered transaction volumes of USD287.3 billion in international trade...
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Supporting the transformative development of petrochemical enterprise Zhong'an United Coal Chemical Co., Ltd. is a large-scale and integrated coalification enterprise jointly established by China Petroleum & Chemical Corporation (SINOPEC) and Anhui Wanbei Coal-Electricity Group Corporation, which invests ...