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- It proved that the airproof ability of standard sources prepared is fine for measuring the radioactivity of uranium series nuclide fully. 证明制备的镭标准源密封性也非常好，完全能满足测量铀系核素的要求。
- International Radium Standard Commission 国际镭标准委员会
- The factor effect on CIE coordinates error is analyzed, system error caused by standard source transfer is argued and the background signal subtraction method is brought forward. 对影响色坐标的各项因素进行了误差分析,分析了标准传递带来的系统误差和基线扣除方法,分析了随机噪声带来的重复性误差。
- International Commission on Radium Standards 国际镭标准委员会
- Radium and uranium are radioactive elements. 镭和铀是放射性元素。
- The Use of Tungsten Filament Lamps as Secondary Standard Sources 作为第二标准来源使用的钨丝灯
- This paper describes a method in which force pulses generated by an electrical discharge in liquid are used as a standard source of force pulses to calibrate dynamic characteristics of pressure transducers and concerned measuring instruments. 本文提出利用液体中放电产生的力脉冲作为校准压力传感器和有关测量仪表动态特性的标准力脉冲源。
- The factor effect on CIE coordinates error is analyzed, system error caused by standard source transfer is argued and the background signal subtraction method is brought forward. The repeatability error caused by random noise is also analyzed. 对影响色坐标的各项因素进行了误差分析,分析了标准传递带来的系统误差和基线扣除方法,分析了随机噪声带来的重复性误差。
- Methods: The color range and ordering of Vita Classical and Vita 3D-Master shade guides weremeasured and analyzed with MINOLTA CM-2600d spectraphotometer under D65 standard source CIE-1976-L*a*b* colorrange system was employed in this study. 方法:选用CIE1976-L*a*b*色度系统,用Minolta CM-2600d 分光测色计对两种VITA比色板的色度值进行测定,对二者的色度范围做了比较分析。
- Methods: The color range and ordering of Vita In-Ceram technical shade guide was measured and analyzed with MINOLTA CM-2600d spectraphotometer under D65 standard source, CIE-1976-Lab system was adopted. 方法:采用Minolta CM-2600d分光测色计、国际照明委员会(CIE)推荐的CIE-1976-Lab色度系统对Vita In-Ceram渗透陶瓷技工比色板进行颜色测定和分析。
- Methods: The color space of. Vitapan 3D-Master shade guide was measured and analyzed with CIE-1976-L* a* b. system and MINOLTA chromatic instrument (CR-321 ) under D65 standard source. 方法：用美能达色差计CR－321（D65光源）以 CIE－1976－L*a*b*色度值对市售Vitapan 3D－Master比色板进行色空间的测定和统计，分析其临床使用的可能性。
- Nor does it contribute to the OECD Development Assistance Committee, the standard source for aid data. But the figure of $300 million to the region in 2001 gets bandied about a lot. 它也没有向经济合作与开发组织的发展援助委员会提供(这笔钱的)正常的出处;以便做为捐助资料.;但是;2001年;对该地区的3亿元援助款;很大程度上;是被随便发放了
- He was the discoverer of the element radium. 他是镭元素的发现者。
- There is a standard form of oath used in lawcourts. 法庭中使用的誓词有固定的格式。
- This is one of the standard books on the subject. 这是有关这个问题的权威著作之一。
- It will send you standard form for you to fill out. 它(商标局)会寄给你标准表格要你填写。
- That country came off the gold standard long ago. 那个国家好久之前就放弃金本位制了。
- Such prices hit off with the standard of our life. 这样的物价与我们的生活水准相符。
- A can like this is considered below standard. 这样的罐头认为是不合格的。
- Radium is a radioactive element. 镭是个放射性元素。
