Nowadays maintenance-free lead-acidbatteries are common in vehicles,inverters, and UPS systems. If thebattery is left in a poor state of charge, itsuseful life is shortened. It also reduces thecapacity and rechargeability of the battery.For older types of batteries, a hygrometercan be used to check the specific gravityof the acid, which, in turn, indicates thecharge condition of the battery. However,you cannot use a hygrometer for sealedtypemaintenance-free batteries. The onlyway to know their charge level is by checkingt ....etc

[:=Read Full Message Here=:]

i need organization chart for sulfuric acid manufacturing unit showing major department and authorities in flow chart for my assignment.
....etc

[:=Read Full Message Here=:]

SUBMITTED BY
P.SATHISH


CONTENT
• INTRODUCTION

• DEFINITION

• EMISSIONS OF CHEMICALS
o NATURAL PHENOMENA
o HUMAN ACTIVITY

• GAS PHASE CHEMISTRY
o CHEMISTRY IN CLOUD DROPLETS
o HYDROLYSIS
o OXIDATION
o
• ACID DEPOSITION

• DRY DEPOSITION

• EFFECTS
o SURFACE WATERS AND AQUATIC ANIMALS
o SOILS
o FORESTS AND OTHER VEGETATION
o HUMAN HEALTH
• CONCLUSION

• REFERENCE


INTRODUCTION
Acid rain is a rain or any other form of precipitation that is unusually acidic, elevated levels of h ....etc

[:=Read Full Message Here=:]

a detail project and project report on exactraction of oxalic acid from molasses ....etc

[:=Read Full Message Here=:]

Titanium matrix composites (TMCs) have been extensively evaluated for their potential to replace conventional superalloys in high temperature structural applications, as they provide significant weight-savings while maintaining comparable mechanical properties. Gamma titanium aluminide alloys and an appropriate fiber could offer an improved TMC for use in intermediate temperature applications (400-800°C). The purpose of this investigation is aimed at evaluating the potential of a gamma titanium aluminide alloy with nominal co ....etc

[:=Read Full Message Here=:]

Global Issues: Ozone Depletion, Global Warming and Acid Rain

Introduction

Air pollution is exerting increasing impact on the environment. Humans have been altering the chemistry of the atmosphere on a global scale. These changes may:
Modify the global climate
Threaten the health of human beings
Create many environmental problems such as
Acid rain
Depletion of ozone layer
Global warming
Seriously upset the global ecosystem

What is ozone depletion?

Ozone is a highly reactive gas comprising ....etc

[:=Read Full Message Here=:]

The Lead Acid Battery
Lead-acid batteries, invented in 1859 by French physicist Gaston Planté, are the oldest type of rechargeable battery. Despite having a very low energy-to-weight ratio and a low energy-to-volume ratio, their ability to supply high surge currents means that the cells maintain a relatively large power-to-weight ratio. These features, along with their low cost, make them attractive for use in motor vehicles to provide the high current required by automobile starter motors.
....etc

[:=Read Full Message Here=:]

Presented By:
B. Rajasekhar
Ch.Madhubabu
M. Ramya
N.Ganesh varma


LIQUID PHASE CATALYSIS OF MtBE USING SULFURIC ACID AS CATALYST
 Problem statement
 The purpose of this project is to determine the feasibility of constructing a chemical plant to manufacture 1,00,000 ton/y of MTBE by liquid phase catalysis of methanol and isobutylene using sulfuric acid catalyst.
 Both methanol and isobutylene are pure and available from ....etc

[:=Read Full Message Here=:]

matlab code for adaptive gamma correction of image.
matlab code for adaptive gamma correction ....etc

[:=Read Full Message Here=:]

PRESENTED BY”
Ramasamy V , Senthil S and Prasath M2

ABSTRACT
There has been great concern about the health risks associated with the exposure due to the natural radioactivity present in coastal sediments all over the world. In this context, 35 intertidal sediment samples were collected from north east coast of Tamilnadu, India, in order to evaluate their natural radioactivity. The activity concentrations of natural radionuclides such as 238U, 232Th and 40K in sediment samples were determined by gamma ray spectrometer. The meas ....etc

[:=Read Full Message Here=:]