Hi! I am Mradul, a Student, a blogger and an addicted web developer.
Thursday, March 7, 2013
Adding Carbon atoms to an organic compound
Stepping up Series | conversion Concept Map
Well, sometimes adding carbon atoms to an organic compound or what we call stepping up the series can be pretty mind boggling for some students so here’s something for them.
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Labels:
11,
11 Chemistry,
12,
12 Chemistry,
Chemistry,
Concept Map
Tuesday, March 5, 2013
Chemistry in Everyday Life Theory | Notes
-
DRUGS
Drugs are chemical of low molecular masses, which interact with macro-molecular targets and produce a biological response.
-
CHEMOTHERAPY
The use of chemicals for therapeutic effect is called chemotherapy.
CLASSIFICATION OF DRUGS
-
ON THE BASIS OF PHARMACOLOGICAL EFFECT
Drugs for a particular type of problem eg. as analgesics-----for pain relieving. -
ON THE BASIS OF DRUG ACTION
Action of drug on a particular biochemical process. -
ON THE BASIS OF CHEMICAL ACTION
Drugs having similar structure .eg- sulpha drugs. -
ON THE BASIS OF MOLECULAR TARGETS
Drugs interacting with bio molecules as lipids, proteins.
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Labels:
12,
12 Chemistry,
Chemistry,
Theory
Friday, March 1, 2013
Semiconductor and Electronic Devices Theory | Notes
Energy
band diagrams
- In metals, the conduction band and valence band partly
overlap each other and there is no forbidden energy gap or there is partially filled conduction band.
 |
| Energy band diagram of metals |
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Labels:
12,
12 Physics,
Physics,
Theory
Communication Systems Theory | Notes
Communication Systems
COMMUNICATION
The
sending and receiving of message from one place to another is called
communication. Two important forms of communication systems are :
(i) Analog and
(ii) digital.
In
analog communication the signal is continuous while in digital communication
the signal is discrete.
THREE
BASIC ELEMENTS OF COMMUNICATION
MODULATION
The
superposition of low frequency message signal over high
frequency carrier wave is called modulation.
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Labels:
12,
12 Physics,
Physics,
Theory
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