Examples of using Cation in English and their translations into Hebrew
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Cation- ion with a positive electrical charge.
Iron can form two different cations which are Fe2+ and Fe3+.
Because of the thinness of the limit(only the thickness of one layer of atoms),the movement of the cation is limited.
In perovskite compounds, the A cation is significantly larger than the B cation.
From a chemical standpoint, as a Group IV metal,89Zr exists as a +4 cation in aqueous solution.
A molecular sieves are produced by cation exchange of potassium for sodium in 4A molecular sieves(See above).
This unique exchange mechanism is called the Cation exchange capacity.
When you apply you will need to demonstrate an aptitude for European language study, butthis need not necessarily take the form of a formal quali? cation.
Also amphoteric exchangers capable of exchanging cations and anions at the same time.
In a neutral atom, the atomic and ionic radius are the same,but many elements exist as anions or cations.
It was a picture of the Manhattan skyline with the cation'Imagine a world without religion.'.
An example is shown below: Proton(H+) adds(by working as an electrophile)to one of the carbon atoms on the alkene to form cation 1.
A related, but much rarer, mineral is pecoraite, in which all the magnesium cations of chrysotile are substituted by nickel cations.
The values for the relative cation reactivities are- 0.4 for the malachite green cation, +2.6 for the benzenediazonium cation, +4.5 for the tropylium cation.
Chemically, gold is a transition metal and can form trivalent and univalent cations in solutions.
If the atom loses its outermost electron(positively charged or cation), the ionic radius is smaller than the atomic radius because the atom loses an electron energy shell.
Chemically, gold is a transition metal and can form trivalent and univalent cations upon solvation.
The molecules in these compounds are designed principally to bind cations(positive ions), but also anions(negative ions) and neutral-molecules, in a specific and selective manner.
The surface of graphene oxide contains epoxy, hydroxyl, and carboxyl groups,which are available to interact with cations and anions.
Zeolites are capable of ion and cation exchange, and therefore, when added to the soil composition for flowers, they contribute to the conservation of Mg2+, Ca2+, K+ cations for 2-3 years.
Mn2O7 can react further withsulfuric acid to give the remarkable manganyl(VII) cation MnO+ 3, which is isoelectronic with CrO3.
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When the CMC as a flocculant in removing calcium ions is more effective than sodium gluconate,used as cation exchange, the exchange capacity of up to 1.6 ml/ g.
In the original publication the data were obtained by reactions of selected nucleophiles with selected electrophilic carbocations such as tropylium ordiazonium cations: or(not displayed) ions based on Malachite green.
The results, published July 27 in the journal Science,underscore the importance of non-classical cations- ions with fewer electrons than protons, and thus a positive charge.
Memantine is postulated to exert its therapeutic effect through its action as a low to moderate affinity uncompetitive(open-channel)NMDA receptor antagonist which binds preferentially to the NMDA receptor-operated cation channels.
A gate electrode is immersed in the electrolyte(Figure 1), andwhen a positive gate voltage is applied at the gate, cations from the electrolyte are forced into the channel, thus dedoping the conducting polymer and resulting in a change in the source-drain current.
All procedures of manicure for hair are united by one: they are aimed at restoration of structure because in their structure, unlike simple paints with oxidizers, there are substances which aren't reacting with ringlets,and influencing them by means of penetration of cations of amino acids which treat each hair.
Production of 4Å is relatively straightforward and requires neither high pressures nor particularly high temperatures. Combine aqueous solutions of sodium silicate and sodium aluminate at 80 °C mix/agitate for a time, then"activate" by"baking" at 400 °C[16]4A sieves serve as the precursor to 3A and 5A sieves through cation exchange of sodium for potassium(for 3A) or calcium(for 5A)[17][18].