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It does not consume expensive oxidizing chemicals, the catalyst is nonhazardous and inexpensive. The method is simple and high efficient, which generally achieve complete mineralization of organic pollutants in water to such inorganics as CO〓 and H〓O.

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An ideal photocatalyst should be stable, inexpensive, non-toxic, highly photoactive and, of course, good visible light absorptive.

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And the corresponding chiral tertiary propargylic alcohols were obtained with enantiomeric excesses of up to 86%, which provided a simple, practical and inexpensive method to generate chiral tertiary propargylic alcohols.

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Also, it must be inexpensive enough to warrant discarding after a single using but, at the same time, it must be so designed that, in emergencies, it could be cleaned and reused without risk of pyrogenic reactions.

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Production and postage expenses are reimbursable for distributing an inexpensive monthly letter to the club president and club secretary of each club in the district.

印制及郵寄成本低廉的月報(bào)給地區(qū)各社社長(zhǎng)和秘書所發(fā)生的費(fèi)用是可以補(bǔ)償?shù)摹?/p>

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Skip the scores of expensive, ritzy hotels in favor of one of several inexpensive places that have tremendous charm .

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Ultimately, equipment should be designed to be totally steam sterilizable because thistime-proven technique is quick, effective, and inexpensive.

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