Mass spectrometry is an analytical technique that uses an instrument called a mass spectrometer to measure the mass-to-charge ratios of molecular ions. Molecules fragment within the mass ...

This coming Advent, Catholics throughout the English-speaking world will begin using a new translation for the prayers that we say in the Mass. This new, third edition of the Roman Missal is the ...

The Mass is being translated anew to provide a more exalted, transcendent, “spiritual” language for our worship, and to make the English translation more consistent with the Latin original.

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北京中源合聚生物科技有限公司（简称：中源公司）成立于2000年，是中国生物领域集产品供应、生物产品进出口、生物技术服务于一体的专业供应商之一；是多家国际权威机构（如WHO、ATCC、NIBSC、ECACC、DSMZ、HSBBR等）及著名国际生物技术公司指定的中国区进口 ...