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现在合成一个新药比较困难，据统计在约10000个样品中才能筛选出一个，时间约要10年，所花的人力、物力也很大。研究新药的目的是生产比现有药物的副作用小、疗效高、显效快、作用时间长，或具其他特殊要求。随着药剂学的进展，也可通过改进药物制剂的研究达到以上新药研究的目的。所以从制剂上研究新产品，也同化学合成新产品一样的重要，并是一条多快好省地搞新产品的途径。以下就制剂的一些新技术、新剂型作简要综述。
Now it is more difficult to synthesize a new drug. According to the statistics, only about 10,000 samples can be screened out, taking about 10 years, and the manpower and material resources spent on it are also huge. The purpose of investigating new drugs is to produce less side effects than existing drugs, with high efficacy, rapid onset of action, long duration of action, or other special requirements. With the progress of pharmacy, the above new drug research can also be achieved by improving the research of pharmaceutical preparations. Therefore, researching new products from formulations is just as important as synthesizing new products, and is a way to engage in new products more quickly and economically. The following formulations of some new technologies, new formulations for a brief review.