Synonym: dross, impureness. Similar words: purity, impure, puritan, impunity, puritanical, maturity, security, obscurity. Meaning: [ɪm'pjʊrətɪ /-'pjʊər-] n. 1. worthless or dangerous material that should be removed 2. the condition of being impure.
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(181) This is a photonic impurity state, similar to the impurity level in semiconductor. The introduction of impurity layer increased the width...
(182) Silica, in fact, is a desirable impurity because it is one of the reactants.
(183) The said treatment process can eliminate the effect of the impurity and produce sodium hydrosulfide product similar to that produced through barium salt process.
(184) Results: There was a good separation between buflomedil and every relative impurity.
(185) Taking account of the disadvantage of current P-type impurity diffusion technology, an open tube gallium-aluminium diffusion technology is investigated.
(186) The impurity of supposedly pure subcellular fractions is a constant threat to the plant biochemist.
(187) Impurity profiles are normally not necessary for APIs from herbal or animal tissue origin.
(188) Test items such as the main length of fibred, single fibred strength, rate of impurity in unginned cotton and breaking length's vary, all of them within normal average changing range.
(189) Crude oil, or unprocessed petroleum, is called sour when a lot of sulfur, an impurity.
(190) Based on the theory analysis of photocurrent distribution in the base region of color sensor, it can be found that the impurity concentration and the junction depth arc the main factors.
(191) But the author found that there was another impurity in VK_1 and its amount was even larger than menadione in some samples of VK_1 and its amount will obviously increase when exposed to light.
(192) The recovered hydrogenate has more impurity, so a new purification method was usedwhichsettl-ed the tail peak problem in finished Doxycycline Hyclate. The optimal purification condition is obtained.
(193) Results:Keep the hyoscine butylbromide peak separate from the related substances and determine the limit of the main impurity.
(194) If liquor samples had serious impurity, microwave resolution method should be adopted firstly.
(195) The C-V characteristic of the electronic timing varactor depends on the distribution of epitaxial impurity density.
(196) The results show that at lower temperatures, with increasing doping concentration,(sentencedict.com/impurity.html) the impact of neutral impurity scattering becomes more significant.
(197) it has symbolically suffered from the offerer's state of ritual impurity or sinfulness.
(198) The thermoelectricity of pyrite is mainly caused by impurity elementssubstitution as isomorphism.
(199) Aphanitic graphite react with acid, alkali, result in implanting same radical into crystallite, but impurity isn't shown on X-ray.
(200) End extracted product had high purity and low impurity characteristic, it would be fit to purify and structure identification.
(201) With increasing doping concentration , the impact of neutral impurity scattering becomes more significant.
(202) Such carryover should not result in the carryover of degradants or microbial contamination that may adversely alter the established API impurity profile.
(203) Because of the high degree of purity of CaHPO4 impurity content such as heavy metal is low, which decreases pollution to soil and water.
(204) We have calculated plasma density distribution, temperature distribution, impurity radiation power loss in SOL with friction.
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