午夜插插,噜噜噜影院,啪啪伊人网,欧美熟夫,景甜吻戏视频,男人强操性感蕾丝美女视频在线网站,日本美女跳舞视频

???? ???

???? ???
???? ??? ??? ???
?? ??:
12070-14-3
???:
???? ???
???(??):
???????;???????(ZIRCONIUMCARBIDE);??????
???:
Zirconium carbide
???(??):
ZRC A;ZRC B;ZRC AX;ZirconiuM carbid;Zirconium carbide;Zirconium(Ⅳ) carbide;zirconiumcarbide(zrc);zirconium(iv) carbide;ZIRCONIUM CARBIDE: 99.8%;Zirconium carbide powder
CBNumber:
CB6316307
???:
CZr
??? ??:
103.23
MOL ??:
12070-14-3.mol

???? ??? ??

???
3540°C
?? ?
5100°C
??
6.73 g/mL at 25 °C(lit.)
RTECS ??
ZH7155000
??? ??
??
??
??
Specific Gravity
6.73
???
?? ??, ??, ??? ?????. ?? ???.
?? ??
ACGIH: TWA 5 mg/m3; STEL 10 mg/m3
NIOSH: IDLH 25 mg/m3; TWA 5 mg/m3; STEL 10 mg/m3
InChI
InChI=1S/C.Zr/q-1;+1
InChIKey
MHMXYYDKIQTOHA-UHFFFAOYSA-N
SMILES
[Zr+]#[C-]
EPA
Zirconium carbide (ZrC) (12070-14-3)
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
??? ?? F,Xn
?? ???? ?? 11-20/21/22
????? 16-27-33-36/37/39
????(UN No.) UN 3178 4.1/PG 3
WGK ?? 3
TSCA Yes
?? ?? 4.1
???? III
???? ?? KE-35639
????(GHS): GHS hazard pictograms
?? ?: Danger
??·?? ??:
?? ??·?? ?? ?? ?? ?? ?? ? ?? ?? P- ??
H228 ??? ?? ??? ?? ?? 1
?? 2		 ??
??		 GHS hazard pictograms P210, P240,P241, P280, P370+P378
??????:
P210 ?·???·??·????? ????? - ?? ???.
P240 ??? ????? ?? ? ??????.
P241 ?? ??? ??[???/??/??/...]?(?) ?????.
P280 ????/???/???/?????? ?????.
P370+P378 ?? ? ?? ?? ?? (Section 5. ??, ??? ????? ??? ???)?(?) ?????.
NFPA 704
2
0 0

???? ??? C??? ??, ??, ??

??? ??

Gray, crystalline solid. Mohs hardness 8+. Insoluble in water and hydrochloric acid; soluble in oxidizing acids and attacked by oxidizers.

??

zirconium carbide (ZrC) and Titanium carbide (TiC) are extremely hard refractory metal compounds. TiC, ZrC, VC and NbC are commercially used in tool bits for cutting tools. ZrC is used extensively as coating of UO2 and ThO2 particles of nuclear fuel.

???? ??? ?? ?? ? ???

???

??? ??? ????, ?? ????????

?? ??

???? ??? ?? ??

???( 178)?? ??
??? ?? ??? ?? ?? ? ??
career henan chemical co 		+86-0371-86658258 +8613203830695
 sales@coreychem.com China 29855 58
Hubei Jusheng Technology Co.,Ltd. 		18871490254
linda@hubeijusheng.com CHINA 28172 58
Hubei xin bonus chemical co. LTD 		86-13657291602
linda@hubeijusheng.com CHINA 22963 58
Hefei TNJ Chemical Industry Co.,Ltd. 		+86-0551-65418671 +8618949823763
 sales@tnjchem.com China 34563 58
Baoji Guokang Healthchem co.,ltd 		+8615604608665 15604608665
 dominicguo@gk-bio.com CHINA 9414 58
Dayang Chem (Hangzhou) Co.,Ltd. 		+86-0571-88938639 +8617705817739
 info@dycnchem.com China 52846 58
Henan Alfa Chemical Co., Ltd 		+8615838112936
 alfa10@alfachem.cn China 13006 58
changzhou huayang technology co., ltd 		+8615250961469
 2571773637@qq.com China 9647 58
Alfa Chemistry 		+1-5166625404;
Info@alfa-chemistry.com United States 20405 58
Shaanxi Didu New Materials Co. Ltd 		+86-89586680 +86-13289823923
 1026@dideu.com China 8982 58

???? ??? ?? ??:

Copyright 2019 ? ChemicalBook. All rights reserved