英语翻译For chromium,the early catalytic systems relyonligandssuch as pyrrolides and carboxylates,while the more recent onesare based on multidentate ligands displaying P,N,S,and O donors.The array of successful chromium catalysts based on multid

英语翻译For applications where the hexavalent chromium is not leachable:A maximum concentration of 1000 ppm by weight and perhomogeneous material shall be tolerated.Test method:A test for total chromium (for example) can be used to determine that 英语翻译For chromium,the early catalytic systems relyonligandssuch as pyrrolides and carboxylates,while the more recent onesare based on multidentate ligands displaying P,N,S,and O donors.The array of successful chromium catalysts based on multid 英语翻译Plasma processing for surface modification of trivalent chromiumas alternative to hexavalent chromium layer 英语翻译EN40B is a chromium-molybdenum nitriding steel usually supplied in the hardened and tempered condition,which offers high wear resistance together with good toughness and ductility.It is characterised by its suitability for nitriding,which sos,明天要交作业了Answer the following questions.1.What is the difference between the transition metals and the inner transition metals?2.Write the electron configAurations for titanium (Ti),vanadium (V),chromium (Cr),andmanganese (Mn).3.Which 英语翻译1.The complex is dried at 10 mm.until it is free-flowing,leaving 150–160 g.(85–91%) of dipyridine chromium(VI) oxide3 as red crystals.2.The chromium trioxide should be added at such a rate that the temperature does not exceed 20° and Chromium Picolinate 英语翻译highly radioactive waste products 2.protoxide-oxide of uranium 3.high population density 4.other waste 5.contamination of the Mailuu-Suu River 1.Tannery waste 2.containing hexavelent chromium 3.azodyes 4.consumptions of vehicles 5.consupm 英语翻译希望能给出权威的说法，pine kong chromium这种东西就免了。 请英语高手帮助翻译几段英译汉This spectification details the procedure for the inspection of the ground areas of chromium plating for grinding abuse of the chrome and of the steel substrate.Prior to plating the parts will have been acid chromium浏览器显示错误 chromium-nitrate是什么意思 英语翻译Fighting For The Dream 英语翻译stainless steel which is produced by using chromium as a significant alloying element along with nickel and other metal .the result is a tough,hard,corrosion-resistant metai.tool steel which is a special group of high carbon steels produc 英语翻译In the present study,high-chromium ferritic stainless steel,type 447,was aged at 520°C under both static and cyclic loading conditions and microstructure was analyzed using a transmission electron microscope (TEM).其中的be aged at 怎 英语翻译Cavitation erosion performance of structural carbon steel and corrosion-resistant chromium steel alloyed superficially with Mn,Cr,Ni,Si,Ti,Co,Nb,Al,Mo,B was investigated.The samples processed by means of CO2 laser beam were subjected to c 英语翻译The moon for the night.And you ,for ever. chrome与chromium哪个好?