The element sulfur as a main product prevented acidification of the biological fixed bed, which maintained the stability of the operation.
元素硫作为主要产物防止了生物固定床的酸化，并保证脱硫装置的稳定性。
Excavation and trace element analysis indicates: Jehol biota experienced mass mortality and rapid burial; toxic gases of the volcanic activities are the main factors of biological catastrophic event.
化石发掘和微量元素分析表明，热河生物群经历了集群死亡和快速掩埋，火山活动的有毒气体是生物灾难事件的主要因素。
The distribution of element in soil profile was related to the characteristics of elements, soil parent, topography, climate and intensity of geological leaching and biological accumulation.
各元素在土壤剖面中分布状况与元素特性、母质，地形、气候以及地质淋溶和生物积累强弱有关。
Selenium is a necessary trace element and has important function of physiological health. The production of organic Se by biological pathway is attractive.
硒是一种必需微量元素，具有重要的生理保健功能，利用生物合成方法生产有机硒引起了人们的关注。
Zinc is a trace element used commonly in preparation. It has an extensive use in curing with effective results and unique biological function.
锌盐是微量元素的常用制剂，治疗范围广，疗效确切，生物学功能作用独特。
The fiber-optic biosensor, which employs biological molecules as the sensoring element, is a relatively new kind of sensor on the basis of evanescent wave principle.
光纤倏逝波生物传感器是基于光波在光纤内以全反射方式传输时产生倏逝波的原理熏以生物分子作为敏感元件进行检测的一类新兴传感器。
The environmental and biological behaviors and the mobility of a given element are critically dependent on its actual chemical forms, e. g. different bonding forms or oxidation states.
一种元素的生物可给性、环境行为和迁移性在很大程度上取决于它的形态。
Ingredient: Pearl powder, whitening factors CE, PHC moistening element, liquorice extracts, mineral hotspring microelement, silk peptide, collagen, biological hyaluronic acid, and etc.
成份：珍珠粉、白肤因子CE、PHC保湿成份甘草精华、矿物温泉微量元素、丝肽、胶原蛋白、生物透明质酸等；
Biological invasion has become an important element of global changes. It also has an obvious increasing impact on the evaded ecosystem, environment and social economy of China.
生物入侵是一个影响深远的全球性问题，其对我国的生态系统、环境和社会经济的影响也日益明显。
Copper is an essential biological trace element, which is the most familiar metal in the daily life.
铜是日常生活中最常见的金属之一，也是一种非常重要的生命微量元素。
Zinc is an essential nutrient element for biological organisms, but it is toxic to plant, animal and human at excess levels.
锌是生物必需微量元素，但过多时对动植物都有毒害。
The biological effects of micro-element nickel was stated. The properties and the newest information on the structure of nickel superoxide dismutase (simplified as ni-sod) were introduced.
概述了微量元素镍的生物学效能，介绍了镍超氧化物歧化酶的性质和结构的最新信息，对镍超氧化物歧化酶活性中心结构及其歧化超氧离子。
The biological effects of micro-element nickel was stated. The properties and the newest information on the structure of nickel superoxide dismutase (simplified as ni-sod) were introduced.
概述了微量元素镍的生物学效能，介绍了镍超氧化物歧化酶的性质和结构的最新信息，对镍超氧化物歧化酶活性中心结构及其歧化超氧离子。
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