介绍国外火电厂入厂煤灰分在卸车前的快速检测方法,包括天然放射性法、载煤车厢称重法、辐射源照射法等,并对其作了评述。
The express-analysis methods used in some foreign countries to determine ash content of coal ingoing to thermal power plants before unloading from wagons are presented, and a review thereof is given.
最常用的方法是放射性碳定年法。
当大陆上的冰开始融化时,两块冰原之间形成了一条无冰走廊,这一证据主要来自放射性碳测年法。
Evidence that an ice-free corridor between two ice sheets developed when the continental ice first began to melt came primarily from radiocarbon dating.
法扬斯和索迪的放射性位移定律被用来描述α和β衰变的产物。
The radioactive displacement law of Fajans and Soddy was formulated to describe the products of alpha and beta decay.
研究人员利用放射性示踪法确定,这种海蛞蝓确实能自己产生叶绿素,而不仅仅是从海藻那里偷取现成的色素。
The researchers used a radioactive tracer to be sure that the slugs are actually producing the chlorophyll themselves, as opposed to just stealing the ready-made pigment from algae.
如今,利用放射性碳素测定年代法,科学家已确定这一用乳齿象牙雕刻而成的长矛尖端的精确年代。
Scientists have now accurately carbon-dated the sharp tip that itself carved from mastodon bone.
法国电力公司发言人说,23日法南部的一个核反应堆的管道发生泄露,造成该公司100名工作人员受轻微放射性物质污染。
Radioactive particles spewed from a pipe at a nuclear reactor in Tricastin of southern France Wednesday, slightly contaminating 100 employees, said a spokeswoman for electric company EDF.
考古学家在一份声明中说,经放射性碳测年法鉴定,环形巨石阵应该建造于公元前2400年至公元前2200年之间,比之前的推测晚了几百年。
The archaeologists said in the statement that radio-carbon dating put the construction of the circle of bluestones at between 2,400 B.C. and 2,200 B.C., a few centuries later than originally thought.
谁说波斯尼亚没有金字塔?放射性碳年期测试法证实,波斯尼亚的月亮金字塔被建于一万年前!
Who says there are no pyramids in Bosnia? Radiocarbon dating method confirmed that the Bosnian pyramid of the Moon was built about ten thousand years ago!
本文从原理上分析了采用舍选法进行随机抽样,得到符合放射性衰变统计规律的模拟计数值,并用TC进行了编程实现;
The principle of simulation of the statistics counting of radioactive nuclear decay based on the rejection method is presented, and the simulation is implemented with TC programming.
用放射性碳测年法对在地震中丧生的三名儿童的遗骸进行检测后,研究者确定洪水大约发生在公元前1920年。
Radiocarbon dating of the bones of three children killed by the earthquake establish that the event took place around 1920 B. C.
该法简便、不需要中间产物的分离纯化、操作放射性步骤少、制备周期短,产品用高压液相制备色谱分离纯化,效率高、纯度在98%以上。
It reduces manipulations of large amounts of radioactivity. The product was isolated by preparation HPLC. Its radiochemical purity is higher than 98%.
分别采用放射性微球法行血流动力学研究。
Radioactive microsphere method was used for hemodynamic study.
本工作研究放射性废物快速非破坏性检测装置的数据分析方法和检测装置探测效率的蒙特卡罗法计算。
The research concerns in the data analysis and detection efficiency calculation based on Monte-Carlo method for non-destructive assay radioactive waste measurement instrument.
用动态柱实验法和静态批式法研究了放射性锶在凝灰岩中的吸附和迁移。
The migration behavior of Sr in tuff was studied in both batch and column experiments.
目的观察解毒疏络法预防放射性肺损伤的临床疗效。
Objective To study the clinical curative effect of Jiedu Shuluo Decoctionon preventing the lung radioactive damnification.
本文叙述了放射性同位素源激发能量色散x射线分析中基本参数法的原理、实验装置和计算机程序。
In this paper, the principle, experimental arrangement and computer program of fundamental parameters method in radioisotope source excited energy dispersive X-ray analysis are described.
目的用克隆法研究放射性核素内照射诱发的大鼠外周血淋巴细胞HPRT基因突变情况。
Objective to study HPRT gene mutation in rat peripheral blood lymphocytes induced by internal exposure to radionuclides using cloning method.
放射性核素示踪法是土壤侵蚀研究的一种重要方法。
It is an important method to investigate soil erosion that using radionuclides tracks down.
研究了酸法处理工艺中的放射性分布及物理与化学特征。
The research on radioactive distribution and character of physics as well as chemistry in acid processing procedure has been completed.
放射性同位素示踪法测吸水剖面工艺在油田已应用很久了。
Radioisotopic tracer technology measuring water entry profile has been used in oil fields for a long time.
方法非放射性探针原位杂交法。
Methods: Non-radiative prober is used in hybridization in situ.
即使是液体放射性或非放射性快速培养法能显著缩短报告时间,平均耗时仍需要5 - 12天。
Although both radiometric and non-radiometric liquid culture systems have significantly shortened the turnround period, the results are still not available for 5-12 days after receipt of an isolate.
用药4周后,用放射性核素法检测其胃的排空率。
After treating for 4 weeks, the gastric emptying rate of rats was measured by radioisotopic technique.
SLNB采用放射性示踪法和专利蓝法。
Combining radioisotope tracing and blue patent modus was used for SLNB.
放射性同位素法检测肺癌细胞蛋白激酶C(PKC)活性。
Protein kinase C(PKC)activity of cell membrane was detected.
目的评价超声心动图(ucg)与平衡法放射性核素心室显像(ERVI)测定心力衰竭病人左心功能的应用价值。
Purpose To compare UCG with ERVI in measurement of left ventricular function in heart failure patients.
采用生物活性染料- 放射性核素联合示踪法、病理连续切片及免疫组化染色可提高前哨淋巴结活检的检出率及准确性。
Combined techniques and pathologic ultrastaging may increase the identification rate and decrease the false negative rate in patients with SLNB.
本文用放射性同位素自显影法研究交感传入纤维及其末梢在猫星状神经节、腹腔神经节和心脏的分布。
The distribution of afferent fibers and terminals in the sympathetic ganglion and the cardiac wall of the cat were studied with autoradiographic technique.
本文用放射性同位素自显影法研究交感传入纤维及其末梢在猫星状神经节、腹腔神经节和心脏的分布。
The distribution of afferent fibers and terminals in the sympathetic ganglion and the cardiac wall of the cat were studied with autoradiographic technique.
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