Physicists have proven through exhaustive observation and experimentation over the course of a century that it takes 5,730 years for Carbon-14 atoms to decay into a stable Nitrogen-14.
在过去一个世纪中,物理学家们透过全面的观察与实验,证明碳- 14原子要花费5,730年的时间来衰变为一个稳定的氮- 14原子。
By using rice varieties Wuxiangjing 14 and Wujing 15 as materials, the effects of nitrogen application on RVA profile characters under different soil fertility levels were studied.
以武香粳14和武粳15为材料,研究了不同地力水平下施氮量对稻米淀粉rva谱特性的影响。
In the refrigerant container (11), a liquid nitrogen layer (13) on the cryogenic temperature side and a nitrogen gas layer (14) on the normal temperature side are arranged next to each other.
在该制冷剂槽(11)中,低温侧上的液氮层(13)和室温侧上的氮气层(14)彼此相邻布置。
Effect of different carbon, nitrogen sources, pH value and culture temperature on mycelia growth of pleurotus ostreatus 14 were studied in Lab in this paper.
通过室内实验,研究了培养基中的碳源、氮源、酸碱度和培养温度对平菇14号菌丝生长的影响。
In the present review, summarize 14-3-3 proteins in plants and crucial physiological action, and focus on the regulation of carbohydrate and nitrogen metabolism by 14-3-3 proteins.
本文综述了植物中的14-3-3蛋白及其主要功能,并重点综述了14-3-3蛋白对植物基本碳、氮代谢的调控。
Water injection is always difficult in low permeability reservoirs, to improve the working degree of this reservoir, Wei42 14 well group was selected to conduct the nitrogen gas flooding pilot test.
低渗透油藏的注水往往存在很大困难,为提高此类油藏的动用程度,选择卫4 2 14井组实施了氮气驱先导试验。
Three spacewalks are planned during Discovery's 14-day flight, to install Kibo, replace an empty nitrogen-gas tank and try out various cleaning methods on a clogged solar-wing rotating joint.
在14天的飞行中将计划安排三次太空行走。分别是:安装Kibo实验室、替换一只空氮气箱以及在一个尝试各种方法清理被卡住的太阳能电池翼旋转关节。
Three spacewalks are planned during Discovery's 14-day flight, to install Kibo, replace an empty nitrogen-gas tank and try out various cleaning methods on a clogged solar-wing rotating joint.
在14天的飞行中将计划安排三次太空行走。分别是:安装Kibo实验室、替换一只空氮气箱以及在一个尝试各种方法清理被卡住的太阳能电池翼旋转关节。
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