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- Free radical which consists of unpaired electron、ultrashort half life period and high reaction play an important role in maintaining normal physiological function. 自由基是一类含有未成对电子的原子或原子团、半衰期极短且具有高度反应活性的物质,在维系人体正常生理功能中起着重要作用。
- Cefixime is characterized by broad spectrum, long half life period, less cross resistance to chemical reagent, small use dosage and wide scope of application. 头孢克肟抗菌谱广、半衰期长、交叉耐药性小、用药剂量小、适应症广泛。
- The sustained-release preparation of recombinant human growth hormone can improve biological availability, prolong half life period, reduce drug adverse reaction.It can provid more means for therapy. 摘要重组人生长激素长效缓释制剂可提高药物生物利用度，延长药物半衰期，减少药物不良反应，给疾病的临床治疗提供了更多的手段和可能。
- Keywords Spirulina;Carotin;Half life period; 螺旋藻;胡萝卜素;半衰期;
- Keywords dinitrotoluene;meta nitrochlorobenzene;speed constant of photolysis;half life period; 二硝基甲苯;间硝基氯苯;光解速率常数;半衰期;
- The half life of the uncharged pion is 6×??. 中性兀介子的半衰期为6×?得搿?/uk>
- The half life of the uncharged pion is 6?? 中性兀介子的半衰期为6×?得搿?/UK>
- half life periodn. 半衰期
- biological half life period 生物学半衰期,生物半衰期
- cited half life period 被引半衰期
- effective half life period 有效半衰期
- He's been lucky all his life and has never had to find out how the other half lives. 他享了一辈子的福，从来不知道穷人生活的滋味。
- Half the world knows not how he other half lives. 饱汉不知饿汉饥。
- Each of these degradations represents an economic life period in a different service. 每一次降级均代表在不同服务岗位上的经济寿命期。
- One half of the world do not know the other half lives. 各地各风，难以沟通。
- One half of the world does not know how the other half lives. 贫富不相知。?饱人不知饿人饥。?一家不知一家难。
- Thermomechanical stress of its lining is a major impact that affects its life period. 本文运用有限单元法,对钢包底的温度场和应力场进行了数值模拟。
- In contrast, the warm rain process is characterized by short life period, more pronounced rearward tilt structure and extension of stratiform cloud. 相比之下，暖雨过程中飑线的生命周期缩短，而系统倾斜结构更明显，层状云区的发展比较旺盛。
- People are waiting for more games that support the newer EAX 3 and 4.I bet Half Life 2 and Doom III will be among them. 人们正在等候支援较新的 EAX 3 的较多游戏和 4.;我打赌了一半的生活 2 而且命中注定 3 将会是在他们之中。
- IV administered DMPS has a half life of approximately 2 hours, with over 95% being excreted in 12 hours. 静脉注射DMPS半衰期约2小时，超过95%25会在12小时内排出。
