Welcome to LookChem.com
Sign In
|
Join Free
Home
Sell Offers
Buy Offers
My LookChem
My LookChem
Post a selling lead
InBox
Message
Message
Suggestion
Complaint
Selling leads
Suppliers
Buy offers
Structure search
Home
>
Dictionary
> Hard
Quickly Searches:
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
Hard
Name:
Hard
Detailed information:
A nontechnical word, used by chemists, that has a variety of meanings. It describes the following: (1) Water in which calcium carbonate or calcium sulfate is present.See
Water, Hard
.(2) An acid having high positive oxidation and whose valence electrons are not readily excited.See
Acid
.(3) Extremely short-wave radiation, e.g., hard X rays.(4) The resistance of a pesticide or detergent to biodegradation.(5) Rubber cured with 30% or more of sulfur.See
Rubber, Hard
.(6) Wood from deciduous trees.See
Hardwood
;
Hardness
.
Others
“Harborlite” [World Minerals]
Haptoglobin
Haplotype
Haploid-diploid Life Cycle
Haploid Life Cycle
Haploid
Hanus Reagent
Hantzch Pyridine Synthesis
Hantach Pyrrole Synthesis
“Hansa” [BASF]
Hand
“Hampshire” [Grace]
“Hamposyl” [Grace]
“Hampirex” [Grace]
“Hampamide” [Grace]
“Hamp-Tex” [Grace]
“Hamp-Ol” [Grace]
“Hamp-Iron” [Grace]
“Hamp-Ex” [Grace]
Recommended supplier
About us
-
Payment
-
Contact us
-
Links
-
Help Center
-
Disclaimer
-
Add to favorite
SiteMap
|
Product SiteMap
|
New CAS
|
Cas Database
|
Article Data
|
Product Name
|
Chemical Catalog
|
Manufacturers
|
VIP Product
|
Suppliers
©2008 LookChem.com,License:ICP NO.lookchem:Zhejiang16009103
complaints:service@lookchem.com
[Hangzhou]86-571-87562588,87562561,87562573
Our Legal adviser: Lawyer