Synonym: purgation, refinement, refining. Similar words: clarification, esterification, ratification, gratification, specification, justification, certification, qualification. Meaning: [‚pjʊrɪfɪ'keɪʃn /‚pjʊə-] 
n. 1. the act of cleaning by getting rid of impurities 2. the process of removing impurities (as from oil or metals or sugar etc.) 3. a ceremonial cleansing from defilement or uncleanness by the performance of appropriate rites 4. the act of purging of sin or guilt; moral or spiritual cleansing.
n. 1. the act of cleaning by getting rid of impurities 2. the process of removing impurities (as from oil or metals or sugar etc.) 3. a ceremonial cleansing from defilement or uncleanness by the performance of appropriate rites 4. the act of purging of sin or guilt; moral or spiritual cleansing. 
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151. During the purification Co removal of Zinc hydrometallurgy by antimonate, the particle size of zinc powder has a great relation to unit consumption.
152. Application of ion exchange technology in the purification, epimerization analysis and detection of sugar was introduced.
153. The soil (including underground spider plant) contribution to formaldehyde purification was higher compared to aboveground spider plant.
154. A method of extracting and purification natural red pigment from ear of torch tree is proposed.
155. This subject use cochineal as raw material, red pigment composition of extraction and purification systems - depth study.
156. Objective To develop a method for concentration and purification of low concentration red cell alloantibody.
157. Conclusion The developed synthetic medium and purification procedure were feasible and provided an experimental basis for the preparation of tetravalent meningococcus polysaccharide vaccine.
158. However, purification and MS analysis of tandem affinity protein– tagged RNA Pol II holoenzyme complexes identified a minimum stable complex of both known and novel proteins (27).
159. The WAXresin can be used for the fast separation and purification of bioengineering products.
160. This paper reports our studies on the purification of wastewater containing unsym. dimethyl hydrazine (UDMH) by catalytic oxidation, using air or H2O2 as the oxidant.
161. The results show that both the mass fraction of photocatalyst in paint and the painting content have great influence on purification performance of mineral wool slab.
162. The static simulation study Ceratophyllum purification of eutrophic water capacity.
163. The process that oiliness wastewater into water disappears as time goes on is called water self - purification.
164. The process conditions of separation and purification via diatom earth filtration and alcohol precipitation were studied.
165. Self-purification curves are presented, percentages and rate constants of the purification are calculated, and influence of temperature, flow rate, and turbidity on self-purification are discussed.
166. The growth and the purification ability of Hemerocallis fulva Linn. in heavy and light eutrophic water were studied by means of soilless cultivation technique on artificial substratum.
167. Linseed gum and Elaeagnus angustifolia L gum were obtained by purification separation from nature plants.
168. The colourity of the pigment extracts enhanced significantly after purification by Amberlite CG - 50 ion - exchange resins.
169. Thankfully, man-made, synthetic purification processes can separate the good parts of the castor bean from the toxic ones.
170. Compared with other methods, aquatic plant purification method shows unique feature.
171. Fucoidan is a sulfated polysaccharide from brown seaweed, which has a variety of biological activities. the studies on the extraction, purification and fraction of fucoidan are summarized.
172. Objective To investigate the therapeutic effect of blood purification and its impact on outcome in treatment of severe tetramine poisoning patients.
173. Objective: To establish a method for prokaryotic expression and purification of the mouse spermine oxidase(SMO).
174. There was a heated dispute between the merit water hyacinth on purification or pollution in water - bodies.
175. Objective : To study the firbronectin purification method from porcine plasma to obtain high purity purified product.
176. Ions trapped in the pore volume of flow-through capacitors (15) cause inefficiencies as these ions are expelled during the charge cycle into the purification path.
177. The filter film plays an important role in water purification in seepaging well with natural filter bed.
178. Water Filters, Ceramic Filter Replacement, Water Purification Systems Filters - Air, Gas,(http://sentencedict.com/purification.html) Liquid.
179. A description is given of the use of the new process of final purification by alcohol hydro-carbylation to replace the methanation process in the ammonia plant.
180. Purification plant, steel structure workshop installation of total contract construction, commissioning and testing DOP enterprise.
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