Wide angle X-ray scattering (WAXS) is an X-ray diffraction technique that is often used to determine the crystalline structure of polymers. This technique refers to the analysis of Bragg Peaks scattered to wide angles, implies that they are caused by sub-nanometer sized structures.Wide angle x-ray scattering is the same technique as Small-Angle X-ray Scattering (SAXS) with the distance from sample to the detector is shorter and thus diffraction maxima at larger angles are observed.The technique is a time-honored but a somewhat out-of-favor tec ....etc

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AN ORGANISATIONAL STUDY AT KERALA MINERALS AND METALS LTD.
SUBMITTED BY
REMYA.S
REG.NO:2887017


INDUSTRIAY PROFILE
Industries play a significant role in almost every economy but India context it is an important as oxygen for breathing. Industrial development has been accorded great importance in Indian planning. On account of industrial development there is increase in production, employment and national income.India is the second largest growing economy in the world. This is equally applicable to the Titanium Diox ....etc

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BIOSORPTION OF METALS


SELECTION OF BIOMASS
While choosing the biomass for metal biosorption, its origin is a major factor .

Biomass can come from, activated sludge or fermentation waste from industries like those of food, diary and starch .

organisms coming from their natural habitats are good sources of biomass.

Fast growing organisms that are specifically cultivated for biosorption purposes


TYPES OF BIOMASS

Agricultural products

Seaweed ....etc

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SCATTERING PARAMETERS OF CIRCULATOR

SCATTERING PARAMETERS OF CIRCULATOR


AIM: To study the operation of ferrite circulator and hence measure
i. Insertion loss ii. Isolation iii. And to determining S parameters

EQUIPMENT: Microwave Source (RKO/GO), Isolator, Variable Attenuator, Frequency meter, Slotted line , Tunable probe with detector, detector mount with detector, VSWR meter, Circulator and Matched Terminations-2.

THEORY: The circulator is a multi port junction that permits transmission ....etc

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send me full information please its urgent ....etc

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Presented By:
Y. Phaneendra Kumar and R. M. Vasu
Department of Instrumentation, Indian Institute of Science
Abstract-
For near infrared imaging of neonatal head surrounded by cerebrospinal fluid layer, we have developed an imaging modality, which uses perturbation Monte-Carlo estimation of Jacobian of the forward model for photon propagation. In this case, we have shown that the conventional techniques, which uses diffusion approximation for light transport in tissue, fails to give the reconstruction of tissue optical prope ....etc

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CONDUCTIVITY σ ,FERMI LEVEL ,
MEAN FREE PATH &
RELAXATION TIME ť
FOR TYPICAL MONO-VALENT METALS
IS SHOWN IN TABLE

The conductivity σ may be obtained experimentally .
Further we can get ť by using eqn given below
σ = ( n*Qe2 *ť )/me ---------(1)
but ť obtained may not be accurate but we will get an idea of magnitude of ť . In a monovalent metal no of free e- /m3 is equals the no of atoms /m3 . From table we find that relaxation time T is of the order of 10-14 sec .Thus we can ....etc

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CHARACTERISATION AND SORPTION PROPERTIES TO HEAVY METALS (Cu2+, Pb2+) OF CHITOSAN COMPLEXES EXTRACTED FROM COCKROACHES OF RWANDA

ABSTRACT
Cockroaches of Rwanda are one of the most important sources of chitosan. In chitosan extraction from Cockroaches, conditions for deproteinization were: 8% NaOH at 95 ºC for 1 h and demineralization involved treatment with 6.7 % HCl at room temperature. Yield of extract products was ..... Chitin-glucan insoluble complexes in the extracted products were identified by FTIR specus ....etc

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