Bulk cadmium stannate, Cd2SnO4, normally crystallizes in the orthorhombic system. Cadmium stannate obtained from sputtered thin films and from a. We developed a high-quality cadmium stannate (Cd/sub 2/SnO/sub 4/ or CTO) TCO film, which has transmission of 80%% in the region of nm and . Cadmium tin oxide (CTO) films on glass substrates were synthesized and functionalized by octadecyltrichlorosilane (OTS). CTO films were.
|Published (Last):||9 July 2007|
|PDF File Size:||6.79 Mb|
|ePub File Size:||16.39 Mb|
|Price:||Free* [*Free Regsitration Required]|
The absorption and stannats spectra of the tellurium— cadmium films at the fundamental absorption edge demonstrate that their energy gaps are larger than that of stoichiometric CdTe, which can be explained by the experimental conditions of crystal structure formation. We report here that, comparing all these groups of animals, invididuals with comparatively high levels of metals had nephrotoxic lesions of a similar type and severity.
There was a problem providing the content you requested
Applicants have found that varying the concentration of a metal oxide in the film has resulted in maximum carrier concentration and minimum film resistivity, and therefore, increased conductivity. This paper investigates the associations between selected heavy metals lead and cadmium and sex hormones testosterone, free testosterone, estradiol, free estradiol as well as other major molecules in the steroid biosynthesis pathway androstanedione glucuronide and sex-hormone binding globulin SHBG.
Cadmium is highly volatile and a higher percentage of the total tobacco cadmium content is efficiently transferred to mainstream tobacco smoke than many other toxic metals in tobacco. After controlling for additional heavy metal exposure, the associations between lead and testosterone stahnate well as cadmium and SHBG remained significant.
Although not always statistically significant, whole-body concentrations of Cu, Cd, and Zn in fishes threespine stickleback, Gasterosteus aculeatus; Sacramento sucker, Catostomus occidentalis; Sacramento squawfish, Ptychocheilus grandis; and chinook salmon, Oncorhynchus tshawytasch from the Sacramento River were generally higher than in fishes from the carmium tributaries.
Cadmuum assayed growth, reproduction and patterns of cadmium accumulation in six populations of C. Eutric cambisol soil and A gleyic luvisol soil. In other circumstances, a method of manufacturing stannae photovoltaic cell can include placing a first semiconductor layer on a substrate, the substrate having a surface and placing a transparent conductive layer on the surface of the substrate wherein the transparent conductive layer comprises cadmium stannate, wherein cadmium has a concentration of greater than 70 percent by weight.
The method of claim 35, wherein the step of distributing cadmium and tin substantially throughout the target comprises forming a piece comprising cadmium, forming a piece comprising tin, and connecting the two pieces to form the target. Solid solutions of tellurium in cadmiumcadmium in tellurium, and cadmium in cadmium telluride synthesized during sputtering are formed for the first time by ion-plasma sputtering and the codeposition of ultradispersed Te and Cd particle fluxes onto substrates moving with respect to the fluxes.
Animals including man and domestic varieties can accumulate harmful concentrations of toxic metals Additionally, transverse phonon velocities were determined from measured dispersion of the transverse acoustic phonon branches, the results of which are in good agreement with previous theoretical estimates and ultrasound measurements.
The device of claim 4, wherein the cadmium to tin ratio is about 2. Pot experiments were conducted in greenhouse conditions to study the effects of increasing cadmium Cd levels on biomass production and Cd contents in corn, Zea mays L. The method of claim 35, wherein the step of distributing cadmium and tin substantially throughout the target comprises stoichiometrically distributing cadmium and tin.
Our results suggest that by reducing the structural defects in the strontium stannate barrier, even larger TMR ratios might be possible in the future. A sputtering target can be manufactured by powder metallurgy. We discuss which knowledge is still missing to fully understand Cd hyperaccumulation by plants and to use that phenomenon even more successfully for both environmental and economical purposes.
CLAIM FOR PRIORITY
The nanowires were characterized by X-ray diffractometer, field emission scanning electron microscope and energy dispersive X-ray spectroscope. The aim of this work was to clarify the mechanisms of cadmium and lead removal from water. However, to date, information on the stability of commonly used reference genes across developmental stages, tissues and after exposure to contaminants such as metals is lacking for many vertebrate species including teleost fish.
The transparent conductive layer can include metal such as cadmium or cadmium stannate, for example. Synthesis of humidity sensitive zinc stannate nanomaterials and modelling of Freundlich adsorption isotherm model. In certain circumstances, a method of manufacturing a transparent conductive material including depositing cadmium stannate on a surface of a material, the cadmium stannate having a cadmium has a concentration of greater than 67 percent by weight.
As shown in FIG. Apart from natural processes, other contributory factors include the gradual spread of industrialization, the use of sewage sludge as a fertilizer and the acidification of Northern Hemisphere ground-water. No other blood chemistry measurement, hematological parameter, or tissue histopathological measurement indicated a reaction to cadmium ingestion.
A sputtering target consisting essentially of cadmium and tin in a weight ratio of about 2. The method of claim 43, wherein the step of consolidating cadmium powder and tin powder comprises pressing the powders. Metals are one of five major categories of carcinogenic or toxic constituents in tobacco and tobacco smoke. Here we report on establishment of an immunochromatographic assay ICA method of cadmium levels in oysters. Pyrochlore-structured hafnates retain short-range order to a higher pressure 30 GPa vs.
As deposited by sputtering, transparent conductive layer is substantially amorphous. A process for producing a layer of cadmium sulfide on a cadmium telluride surface to be employed in a photovoltaic device. Cadmium content in the early human milk of current smokers did not differ significantly from that of nonsmoking mothers.
The square points represent examples having the corresponding cadmium wt. Rats were fed with diets containing Cd Cd 0.
CADMIUM STANNATE |
Lanthanide stannates form the pyrochlore structure. Cadmium is a heavy metal that is often referred to as the metal of the 20th century. The sputtering process can include dislodging or ejecting material e.
Pretreatment of male rats with cadmium acetate potentiates the duration of stannare hypnosis and inhibits the rate of hepatic microsomal drug metabolism.
Reversible surface binding of cadmium and lead by lactic acid and bifidobacteria. The Boeing Company has been searching for replacements to cadmium plate. A high energy density nickel cadmium cell of aerospace quality was designed. The method of claim 35, wherein the step of distributing cadmium and tin substantially thoughout the target comprises spraying cadmium and tin onto a base. In the presence of Cd, plants accumulate specific amino acids which may be beneficial to developing Cd tolerance.
The reduced surface roughness can help improve the uniformity of the window layer. Currently, tests are being performed on standard fasteners to compare zinc-nickel and tin-zinc on threaded hardware where cadmium is heavily used. This population-based study examined an association between urinary cadmium excretion, a good biomarker of long-term cadmium exposure, and prevalence of urinary stones in persons aged 15 years and older, who lived in the 12 cadmium cadkium villages in the Mae Sot District, Tak Province, northwestern Thailand.
This metal induces damage to the kidneys, the bones, the prostate, and the lungs. The article was received on 10 Janaccepted on 11 Mar and first published on 28 Mar Cadmium contents of the three xtannate increased with increasing levels of Cd applications.
Also, there is potential for cadmium contamination to affect other species through contamination of leaves, fruits, flowers, pollen and root nodules.