Matsi na takarda akan tushe mai launin toka
Ana amfani da ɓangaren litattafan sinadarai masu bleached don saman saman, Ana amfani da ɓangaren litattafan almara na kraft wanda ba a yi shi ba don ainihin Layer da Layer na ƙasa, ɓangaren litattafan almara na ƙasa ko takarda mai tsabta mai tsabta ya dace da bugu na launi na manyan kwalaye masu daraja, haka shi [...]
UV kushin buga tawada ya bambanta da sauran nau'ikan tawada, Ana warke tawada UV kuma an bushe da sauri a ƙarƙashin makamashin UV. Lokacin da hasken UV ya shiga tawada, Kwayoyin daukar hoto da ke cikin tawada za su mayar da martani tare da kwayoyin da ke makwabtaka da su, dukan tsari a cikin dakika [...]
Kraft takarda, amfani dashi azaman kayan tattarawa. Ƙarfin yana da girma sosai. Yawanci launin ruwan kasa ne. Semi ko cikakken bleach kraft pulp shine launin ruwan kasa mai haske, kirim ko fari. Yawan 80-120G / m2. Tsawon karaya gaba ɗaya ya fi 6000 M. Ƙarfin hawaye, [...]
Subsequently, with the development of the second industry, the number of white-collar workers increased, and the standard style of suits for gentlemen and business people was also determined. Shirts are gradually promoted with white as the center in matching suits and ties, and chemical [...]
Process features: (1) no solvent is added in the system, propylene monomer is polymerized in liquid phase in the kettle reactor, and ethylene propylene is polymerized in gas phase in the fluidized bed reactor; (2) simple process, less equipment, less investment, low power consumption [...]
Step 3: Wine watching. The red color of red wine is enough to stir people’s hearts. When pouring red red red wine, the basic requirement is that the glass should be placed horizontally and the wine should not spill over. In the case of [...]
(1) ink is required to have good adhesion and mechanical properties
As tinplate printing products are ultimately to be made into cans, toys, metal photo frames and barrels and cans of chemical products, they need to be cut, bent and stretched, so printing ink is [...]
Ranar Nuwamba 10, 1847, mai kafa J. C. Jacobson ya kafa masana'anta a unguwar Copenhagen don samar da giya, kuma ya sanya masa suna Carlsberg giya bayan dansa Carl.
Cikin 1876, An fara fitar da giya na Carlsberg zuwa China.
Cikin 1882, Karl Jacobson, dan Founder [...]
1.Bordeaux kofin ruwan inabi
Kofin ruwan inabi na Bordeaux, kamar yadda sunansa ke nunawa, ya dace da yawancin ruwan inabi na Bordeaux na Faransa. Domin Bordeaux jan giya yana da tsami da astringent, yana buƙatar siffar kofin tulip tare da doguwar jiki kuma ba bango sosai ba. Lanƙwasa bangon kofin iya [...]
Fiber polyester yana da ƙarfi, high modulus da low ruwa sha. Ana amfani da su sosai azaman masana'antar farar hula da masana'antu. A matsayin kayan yadi, polyester staple fibers na iya zama tsintsiya madaidaiciya, musamman dacewa don haɗawa da sauran zaruruwa; ana iya haɗa su da na halitta [...]
