1·This chart gives you a summary of some of the critical thermal-neutron cross sections of important fissile and fertile nuclides.
这个图表给你们一个重要的,可裂变和可转换核素的,一些临界热能中子横截面的总结。
2·But all this stuff, these cross sections are measured as a function of energy, they're measure as a function of the neutron energy which is a function of the temperature of the particular medium.
但是,所有这个材料,这些横截面被测量的,是以能量的函数,它们是测量,中子能量的函数,那也是特定的媒介的,温度的函数。
3·Now what we're gonna cover in this lecture are some basics such as cross sections, the fundamentals of the fission process.
现在,我们将要在这节课完成的,就是一些基础像是横截面,裂变过程的基本原理。
4·The other three sections, 'minerals',' technology ', and 'micro-organisms' delve deeper into the tiny world existing under our noses.
另外三个截面,“矿物”、“科技”和“微生物”深入探索了存在于我们眼皮底下的微小世界。
5·After more than a decade's labor, which required examining 20, 000 electron microscope cross sections of the worm's anatomy, Dr. White worked out exactly how the 302 neurons were interconnected.
经过十多年的努力,研究了2万个电子显微镜下蛔虫的解剖结构横截面,怀特博士精准计算出了302个神经元是怎样连接起来的。
1·Assemble and fit metal sections and plates to form complete units or subunits using tack welding, bolting, riveting or other methods.
采用点焊,螺栓,铆接或其他方法,组装金属型材和板,以形成完整的单元组或亚单元组。
2·The company has a variety of specifications for steel sections and aluminum models.
本公司拥有各种规格型号塑钢型材和铝型材。
3·Cold roll-forming of metal sections is a significant field in advancing forming of strip metal, and the forming processes are influenced by many factors.
金属型材的冷辊轧成形是金属板带材深度加工的一个重要领域,对其成形制度确定方式的影响因素很多。
4·A calculation method is proposed to determine the crack tip stress intensity factors for sections on the basis of zonal generalized variational principles.
本文应用分区广义变分原理,提出了求解含有裂纹的型材应力强度因子的计算方法。
5·Our extensive range of welded tube products include structural hollow sections, large diameter pipe, coated, precision, conveyance and pressure tubes.
我们生产经营一系列广泛的钢管产品,包括空心型材,大口径管材,涂层管材,精密管材,运输管材和压力管材。