Word Finder - concentrations

definition

The act, process or ability of concentrating; the process of becoming concentrated, or the state of being concentrated.

definition

A field or course of study on which one focuses, especially as a student in a college or university.

definition

The proportion of a substance in a whole.

definition

The matching game pelmanism.

The difference of potential between two solutions of a substance at different concentrations can be calculated from the equations used to give the diffusion constants.

It is evident that the undissociated part of each acid must eventually be in equilibrium with the free hydrogen ions, and, if the concentrations are not such as to secure this condition, readjustment must occur.

If a solution, let us say of sugar, be confined in a closed vessel through the walls of It is probable that in both these solutions complex ions exist at fairly high concentrations, but gradually gets less in number and finally disappear as the dilution is increased.

In such salts as potassium chloride the ions seem to be simple throughout" a wide range of concentration since the transport numbers for the same series of concentrations as those used above run Potassium chloride 0.5 1 5, 0.515, 0.514, 0.513, 0.509, 0.508, 0.507, 0.507, 0.506.

The forces between the ions of a strongly dissociated solution will thus be considerable at a dilution which makes forces between undissociated molecules quite insensible, and at the concentrations necessary to test Ostwald's formula an electrolyte will be far from dilute in the thermodynamic sense of the term, which implies no appreciable intermolecular or interionic forces.

In order that the solutions of these should be isohydric and the concentrations of the hydrogen ions the same, we must have a very large quantity of the feebly dissociated acetic acid, and a very small quantity of the strongly dissociated hydrochloric, and in such proportions alone will equilibrium be possible.

In ordinary cases possible changes in the concentrations only affect the electromotive force by a few parts in a hundred, but, by means such as those indicated above, it is possible to produce such immense differences in the concentrations that the electromotive force of the cell is not only changed appreciably but even reversed in direction.

If the temperature at which this dense spontaneous shower of crystals is found be determined for different concentrations of solution, we can plot a "supersolubility curve," which is found generally to run roughly parallel to the "solubility curve" of steady equilibrium between liquid and already existing solid.

High concentrations of carbon dioxide in the blood, causes the blood to become more acidic.

In ordinary cells the difference is secured by using two dissimilar metals, but an electromotive force exists if two plates of the same metal are placed in solutions of different substances, or of the same substance at different concentrations.

When the solutions may be taken as effectively dilute, so that the gas laws apply to the osmotic pressure, this relation reduces to E _ nrRT to c1 ey gE c2 where n is the number of ions given by one molecule of the salt, r the transport ratio of the anion, R the gas constant, T the absolute temperature, y the total valency of the anions obtained from one molecule, and c i and c 2 the concentrations of the two solutions.

When we compare together electric discharges the intensity of which is altered by varying, the capacity, we are unable to form an opinion as to whether the effects observed are due to changes in the density of the luminous material or changes of temperature, but the experiments of Sir William and Lady Huggins 1 with the spectrum of calcium are significant in suggesting that it is really the density which is also the determining factor in cases where different concentrations and different spark discharges produce a change in the relative intensities of different lines.

Pfeffer showed that certain substances in definite concentrations cause the tips of hyphae to turn towards them; other substances, though not innutritious, repel them, as also do nutritious bodies if too highly concentrated.

Porcelain, enamelled iron, for high concentrations even cast-iron without any protection, are also in use.

A general nerve-plexus probably exists over considerable parts of the skin, and there are special nervous concentrations in the region of the epistome and along a double crescent (N) which follows the parietal attachment of the coelomic septum.

The bacterial and nitrate concentrations are quite abnormal in almost all the coastal stretches of Bardez taluka.

Talin, a very widely expressed actin binding protein protein is also found in muscle cells (at fairly low concentrations ).

It was further commented that the DETR paper indicated that other simple aldehydes were generally present at lower concentrations than formaldehyde and acetaldehyde.

Studies have confirmed that muscle protein synthesis rates are stimulated as long as blood amino acid concentrations remain high [12] .

When coupled with sonic anemometry, fast response sensors can provide information on atmospheric fluxes, as well as gas concentrations.

Antimony concentrations reported for the foods analyzed for this survey indicate that exposure of infants to antimony concentrations reported for the foods analyzed for this survey indicate that exposure of infants to antimony from the diet is very low.

The buffer solution contains harmless concentrations of sodium azide.

It does, however, provide a useful indication of the uncertainties of the overall estimates of roadside benzene concentrations.

With certain short-acting benzodiazepines it is not possible to achieve a smooth decline in blood and tissue concentrations.

Concentrations of lead, zinc, cadmium and other heavy metals in lichens and marine bivalves are measured.

Young broccoli sprouts have the highest concentrations of these phytochemicals, but broccoli sprouts have the highest concentrations of these phytochemicals, but broccoli in any form was found to have the desired effect.

Over a period of 14 months we found cadmium in counterfeits to average more than five times the concentrations in genuine brands.

Analysis lead, cadmium, copper and zinc concentrations were determined by Inductively Coupled Plasma-Mass Spectrometry (ICP-MS ).

The restored canal would bring increased tourism throughout its length rather than in its present concentrations.

Eggs, miscellaneous cereals and meat products contained the highest nitrite concentrations.

In general, contaminant inputs have declined and elevated concentrations are often a legacy of former industrial discharges.

However, high concentrations or extended periods of exposure can have serious health effects.

The strategy is based on the latest research that suggests creatine's benefits are proportional to intracellular creatine concentrations [13] .

With the syrup, mean peak plasma concentrations are attained within 2 hours.

Several prognostic factors and serum rituximab concentrations are useful for predicting the therapeutic efficacy.

However, 50% reductions in North America or Asia will produce a larger impact in mean ozone concentrations.

Results A summary of the concentrations of pulegone and menthol found in mint confectionery and other mint products is given in Table 1.

The use of upper bound estimates may significantly overestimate total dioxins concentrations in those samples where most congeners are not present at the LOD.

For Quality Control purposes a reference sample with known concentrations of dioxins congeners was included in the batches of samples analyzed.

Uncertainty of whether the current distribution of valley bottom sites represent discrete concentrations or windows on a broader continuum.

This pattern of binding could explain the raised plasma corticosterone concentrations and adrenocortical hypertrophy previously noted in MHS.

Affected dogs have high blood creatine kinase concentrations and bizarre high frequency discharges on electromyographic examination.

For both geographical concentrations Atlantic exchanges emerged as crucial.

The aim is to achieve high concentrations of activated cyclophosphamide locally in the tumor while minimizing circulating levels of the drug.

Rather, it stated that hypericum " ...may significantly affect plasma concentrations of any drug that is metabolized by the cytochrome P-450 system.

The resulting graph shows the rapid decrease in concentrations in the 1960s and 1970s and the more gradual decrease in concentrations in the 1960s and 1970s and the more gradual decrease through the 1980s and 1990s.

The resulting graph shows the rapid decrease in concentrations in the 1960s and 1970s and the more gradual decrease through the 1980s and 1990s.

This study involved operating laboratory-scale thermophilic anaerobic digesters with high feed concentrations to limit additional energy costs.

Methods The analytical methodology for determining dioxin and PCB concentrations in cows ' milk has already been reported 15.

The combined dioxin and PCB concentrations were in the range 2.5 - 6.1 ng TEQ/kg milk fat.