CE ÎNSEAMNĂ THALLIUM ÎN ENGLEZĂ?
taliu
Electronegativitate 1.62 Energii de ionizare 1: 589,4 kJ · mol-1 a 2-a: 1971 kJ · mol-1 a treia: 2878 kJ · mol-1 Radia atomică 170 pm Raza covalentă 145 ± 7 pm Radia Van der Waals 196 pm Diferite structuri de cristal hexagonale, ambalat Comanda magnetica diamagnetica Rezistenta electrica 0.18 μΩ · m Conductivitate termica 46.1 W · m-1 · K-1 Expansiune termica 29.9 μm · m-1 · K-1 Viteza sunetului 818 m · s-1 Modulul lui Young 8 GPa Modul de forfecare 2.8 GPa Modulul în vrac 43 GPa Raportul Poisson 0.45 Duritatea Mohs 1.2 Duritatea Brinell 26.4 MPa CAS numărul de înregistrare 7440-28-0 Istoria Discovery William Crookes Prima izolare Claude-Auguste Lamy Izotopii cei mai stabili 203Tl 29.524% - 0.9108 199Au 204Tl syn 3.78 y β- 0.764 204Pb ε 0.347 204Hg 205Tl 70.476% - 0.1567 201Au Modelele de dezintegrare în paranteze sunt prevăzute, dar nu au fost încă observate vte · referințe Thallium este un element chimic cu simbolul T1 și numărul atomic 81. Acest lucru ft gri alt metal nu este găsit liber în natură.
Definiția thallium în dicționarul Engleză
Definiția taliului din dicționar este un element metalic alb extrem de toxic și maleabil, utilizat ca o otravă a rozătoarelor și a insectelor și în sticla cu punct de topire scăzut. Compușii săi sunt utilizați ca detectori în infraroșu și în celulele fotoelectrice. Simbol: Tl; atomic nr: 81; greutate atomică: 204,3833; valența: 1 sau 3; densitate relativă: 11,85; punct de topire: 304 ° C; punct de fierbere: 1473 ± 10 ° C.
CĂRȚI ÎN ENGLEZĂ ÎN LEGĂTURĂ CU «THALLIUM»
Descoperă întrebuințarea
thallium în următoarea selecție bibliografică. Cărți în legătură cu
thallium și extrase din aceasta pentru a furniza contextul de întrebuințare al acestuia în literatura Engleză.
1
Chemistry of Aluminium, Gallium, Indium, and
Thallium
The same preoccupation with boron is apparent in the coverage received by the Group 13 elements in the comprehensive and regularly updated volume of the Gmelin Handbook.
2
Thallium in the Environment
Bringing together the latest information on these areas in a single volume, this book makes a vital contribution in the quest to understand and track the potential risks of thallium in the environment.
3
Encyclopaedia of Occupational Health and Safety: Industries ...
Occurrence and Uses Thallium (11) is fairly widely distributed in the earth's crust
in very low concentrations; it is also found as an accompanying substance of
other heavy metals in pyrites and blendes, and in the manganese nodules on the
...
Jeanne Mager Stellman,
1998
4
The Group 13 Metals Aluminium, Gallium, Indium and
Thallium: ...
The Group 13 Metals Aluminium, Gallium, Indium and Thallium aims to cover new facts, developments and applications in the context of more general patterns of physical and chemical behaviour.
Simon Aldridge, Anthony J. Downs,
2011
5
The Cleveland Clinic Cardiology Board Review
SPECT Perfusion Agents The most commonly used SPECT tracers of myocardial
perfusion are thallium-201, technetium-99m sestamibi, and technetium-99m
tetrofosmin. Thallium-201 Thallium-201 is a cationic, metallic element that is ...
Brian P. Griffin, Curtis M. Rimmerman, Eric J. Topol,
2006
the scalp and after the First World War, it was extremely popular for this purpose.
A dose of 8 mg/kg of thallium acetate was recommended, perilously close to the
fatal dose of 12 mg/kg. Lesser amounts of thallium don't have any depilatory ...
7
Handbook on the Toxicology of Metals
ABSTRACT After rapid, almost total, absorption from the gastrointestinal tract,
soluble thallium compounds are widely distributed in the body, the highest
concentration being accumulated initially in the kidneys. Excretion occurs
through both ...
Gunnar F. Nordberg, Bruce A. Fowler, Monica Nordberg,
2011
8
Thallium-Based High-Tempature Superconductors
The chemistry of thallium oxides, especially of thallium(III), has become important
in the wake of the discovery of superconductivity in thallium cuprates [9]. A
knowledge of thallium oxide chemistry is therefore essential for proper
appreciation of ...
9
Environmental and Occupational Medicine
thallium exist with atomic masses ranging from 184 to 210, and natural thallium is
a mixture of two isotopes. Thallium is used in the production of semiconductors,
photoelectric equipment, optical lenses, and low- temperature thermometers.
William N. Rom, Steven B. Markowitz,
2007
10
The Boron Elements: Boron, Aluminum, Gallium, Indium,
Thallium
This book explains the history, structure, characteristics, uses, and different compounds of the boron elements.
ȘTIRI NOI CARE INCLUD TERMENUL «THALLIUM»
Află ce ziare naționale și internaționale au scris despre și cum este întrebuințat termenul
thallium în contextul următoarelor știri.
Eat Your Greens: Science Has Not Confirmed The Link Between …
According to him, there may be a link between kale and thallium poisoning, along with other toxic metals, as a result of using coal ash spread for fertilizer. «Medical Daily, Iul 15»
Is kale safe to eat? A look at 'toxic' fears and facts
The researcher found that thallium (a heavy metal) was detected in a few people who were heavy consumers of kale, and made an association between his ... «Today.com, Iul 15»
Kale Deemed Not Poisonous? Assessing the Facts and Theories …
Last week, we reported that kale might not actually be healthy for you because it contains trace amounts of the heavy metals thallium and cesium. Much talk has ... «The Daily Meal, Iul 15»
The viral idea that kale is bad for you is based on incredibly bad …
Low-level thallium poisoning from kale, Hubbard suspected, might be causing an array of symptoms in his patients — from chronic fatigue to "foggy thinking.". «Vox, Iul 15»
Eating Kale In Large Amounts Might Lead To Thallium Poisoning …
But for high levels of thallium to exist in the soil in the first place, it has to come from somewhere. High levels of thallium in the soil are found in places where ... «Bustle, Iul 15»
Toxic thallium
At the end of the group comes thallium, the black sheep. Its compounds have found some use, for example in photoresistors, optical glass and in a class of ... «Nature.com, Iun 15»
William Malone Returns With 'Thallium's Box'
William Malone, one of the “Masters of Horror”, has a Kickstarter going for a new horror film titled Thallium's Box. The Kickstarter is looking to raise $350,000 and ... «Bloody Disgusting, Mai 15»
How You Can Help William Malone Open Thallium's Box
With movies like House on Haunted Hill (1999), Parasomnia, and FearDotCom on his resume, you'd think Hollywood would be knocking on filmmaker William ... «Dread Central, Mai 15»
Research and Markets: Global Thallium Market Review 2014/2015 …
It aims to give a proper picture of the market, its trends, perspectives and opportunities. Comprehensive data showing thallium worldwide production, ... «Business Wire, Apr 15»
Duke Energy fined $25 million over coal ash pollution
With thallium, the state said it determined that Duke allowed the toxic chemical to “leach into groundwater at the Sutton facility for 1,668 days.” Duke's 32 coal ... «FuelFix, Mar 15»