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公开(公告)号：US07450685B2
公开(公告)日：2008-11-11
申请号：US11581487
申请日：2006-10-17
IPC分类号： G01N23/223
CPC分类号： G01N23/223 , G01N2223/076
摘要： A scanning X-ray fluorescence spectrometer includes a quantitatively analyzing device (18) which calculates the concentration of hexavalent chrome based on the fact that the peak spectroscopic angle, at which the maximum intensity is attained in Cr—Kα line (22), changes depending on the ratio of the concentration of the hexavalent chrome vs. the concentration of the intensity of the total chrome. A plurality of detecting device (23) having different resolutions as a combination of a divergence slit (11), a spectroscopic device (6), a receiving slit (20) and a detector (8) is provided such that when the change of the peak spectroscopic angle is to be detected, a detecting device (23B) having a higher resolution than that of the detecting device (23A), which is selected when the concentration or the intensity of the total chrome is to be determined, is selected.
摘要翻译： 扫描X射线荧光光谱仪包括：计算六价铬浓度的定量分析装置（18），其基于在Cr-Kalpha线（22）中获得的最大强度的峰值分光角随着取决于 关于六价铬的浓度与总铬的强度的浓度的比率。 具有分散狭缝（11），分光装置（6），接收狭缝（20）和检测器（8）的组合的具有不同分辨率的多个检测装置（23）被设置成使得当 要检测峰值分光角度，选择当要确定总铬的浓度或强度时选择的具有比检测装置（23A）高的分辨率的检测装置（23B） 。
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公开(公告)号：US20070086567A1
公开(公告)日：2007-04-19
申请号：US11581487
申请日：2006-10-17
IPC分类号： G01N23/223 , G01T1/36
CPC分类号： G01N23/223 , G01N2223/076
摘要： A scanning X-ray fluorescence spectrometer includes a quantitatively analyzing device (18) which calculates the concentration of hexavalent chrome based on the fact that the peak spectroscopic angle, at which the maximum intensity is attained in Cr-Kα line (22), changes depending on the ratio of the concentration of the hexavalent chrome vs. the concentration of the intensity of the total chrome. A plurality of detecting device (23) having different resolutions as a combination of a divergence slit (11), a spectroscopic device (6), a receiving slit (20) and a detector (8) is provided such that when the change of the peak spectroscopic angle is to be detected, a detecting device (23B) having a higher resolution than that of the detecting device (23A), which is selected when the concentration or the intensity of the total chrome is to be determined, is selected.
摘要翻译： 扫描X射线荧光光谱仪包括：计算六价铬浓度的定量分析装置（18），其基于在Cr-Kalpha线（22）中获得的最大强度的峰值分光角随着取决于 关于六价铬的浓度与总铬的强度的浓度的比率。 具有分散狭缝（11），分光装置（6），接收狭缝（20）和检测器（8）的组合的具有不同分辨率的多个检测装置（23）被设置成使得当 要检测峰值分光角度，选择当要确定总铬的浓度或强度时选择的具有比检测装置（23A）高的分辨率的检测装置（23B） 。
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公开(公告)号：US08433035B2
公开(公告)日：2013-04-30
申请号：US13123121
申请日：2010-07-01
IPC分类号： G01N23/223
CPC分类号： G01N23/223 , G01N2223/076 , G01N2223/637
摘要： An X-ray fluorescence analyzing method includes irradiating a liquid sample (3A) containing hydrogen and at least one element of carbon, oxygen and nitrogen with primary X-rays (2); measuring the intensity F of fluorescent X-rays (4) from each of elements in the sample (3A) and having the atomic number 9 to 20, and the intensity S of scattered X-rays (12) from the sample (3A) caused by continuous X-rays in the primary X-rays; and calculating the concentration of each of the elements, based on the ratio between the measured intensity F, and the measured intensity S. The wavelength of the scattered X-rays (12) is so chosen as to be shorter than that of the fluorescent X-rays (4) and is so set that the measured intensity S and the mass absorption coefficient thereof are inversely proportional to each other within the range of variation of a composition of the sample (3A).
摘要翻译： X射线荧光分析方法包括将含有氢和至少一种碳，氧和氮元素的液体样品（3A）照射到初级X射线（2）上; 测量样品（3A）中每个元素的荧光X射线（4）的强度F，其原子序数为9至20，并且来自样品（3A）的散射X射线（12）的强度S引起 通过连续的X射线在主X射线; 并且基于所测量的强度F与测量的强度S之间的比率来计算每个元件的浓度。散射的X射线（12）的波长被选择为短于荧光X的波长 （4），并且被设定为使得测定强度S及其质量吸收系数在样品（3A）的组成变化范围内成反比。
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公开(公告)号：US20110243301A1
公开(公告)日：2011-10-06
申请号：US13123121
申请日：2010-07-01
IPC分类号： G01N23/223 , G01N23/203
CPC分类号： G01N23/223 , G01N2223/076 , G01N2223/637
摘要： An X-ray fluorescence analyzing method includes irradiating a liquid sample (3A) containing hydrogen and at least one element of carbon, oxygen and nitrogen with primary X-rays (2); measuring the intensity F of fluorescent X-rays (4) from each of elements in the sample (3A) and having the atomic number 9 to 20, and the intensity S of scattered X-rays (12) from the sample (3A) caused by continuous X-rays in the primary X-rays; and calculating the concentration of each of the elements, based on the ratio between the measured intensity F, and the measured intensity S. The wavelength of the scattered X-rays (12) is so chosen as to be shorter than that of the fluorescent X-rays (4) and is so set that the measured intensity S and the mass absorption coefficient thereof are inversely proportional to each other within the range of variation of a composition of the sample (3A).
摘要翻译： X射线荧光分析方法包括将含有氢和至少一种碳，氧和氮元素的液体样品（3A）照射到初级X射线（2）上; 测量样品（3A）中每个元素的荧光X射线（4）的强度F，其原子序数为9至20，并且来自样品（3A）的散射X射线（12）的强度S导致 通过连续的X射线在主X射线; 并且基于所测量的强度F与测量的强度S之间的比率来计算每个元件的浓度。散射的X射线（12）的波长被选择为短于荧光X的波长 （4），并且被设定为使得测定强度S及其质量吸收系数在样品（3A）的组成变化范围内成反比。
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公开(公告)号：US20090116613A1
公开(公告)日：2009-05-07
申请号：US12296383
申请日：2006-11-24
IPC分类号： G01N23/223
CPC分类号： G01N23/223 , G01N2223/076
摘要： An X-ray fluorescence spectrometer for measuring the concentration of sulfur contained in a sample (S), by irradiating the sample (S) with primary X-rays from an X-ray tube (11), monochromating fluorescent X-rays emitted from the sample (S) with a spectroscopic device, and detecting monochromated fluorescent X-rays with an X-ray detector. The spectrometer includes the X-ray tube (11) having a target with an element including chromium, an X-ray filter (13) disposed on a path of travel of X-rays between the X-ray tube (11) and the sample (S) and having a predetermined transmittance for Cr—Kα line from the X-ray tube (11) and made of a material which is an element of which absorption edges do not exist between energies of S—Kα line and Cr—Kα line, and a proportional counter (18) having a detector gas containing a neon gas or a helium gas.
摘要翻译： 一种X射线荧光光谱仪，用于通过从X射线管（11）照射样品（S）的初级X射线来测量样品（S）中所含的硫的浓度，所述X射线荧光光谱仪从 样品（S），并用X射线检测器检测单色荧光X射线。 光谱仪包括具有包含铬的元素的靶的X射线管（11），设置在X射线管（11）和样品之间的X射线行进路径上的X射线过滤器（13） （S），并且对于来自X射线管（11）的Cr-Kalpha线具有预定的透射率，并且由在S-Kalpha线和Cr-Kalpha线的能量之间不存在吸收边缘的元素的材料制成 ，以及具有包含氖气或氦气的检测器气体的比例计数器（18）。
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公开(公告)号：US07356114B2
公开(公告)日：2008-04-08
申请号：US11531481
申请日：2006-09-13
IPC分类号： G01N23/223
CPC分类号： G01B15/02 , G01N23/223 , G01N2223/076
摘要： An X-ray fluorescence spectrometer includes an X-ray source 7 for irradiating a sample 1 at a predetermined incident angle ø with primary X-rays 6, and a detecting device 9 for measuring an intensity of fluorescent X-rays 8 generated from the sample at a predetermined detection angle α and β, wherein with two combinations of the incident angle ø and the detection angle α and β, in which combinations the incident angles ø and/or the detection angles α and β are different from each other, each intensity of the fluorescent X-rays 8 is measured and, also, the incident angle ø and the detection angle α and β in each of the combination are so set that with respect to a measurement depth represented by the coating weight, at which the intensity of the fluorescent X-rays 8 attains a value equal to 99% of the uppermost limit when the coating weight of a target coating to be measured is increased, respective measurement depths in the two combinations may be a value greater than the coating weight of a coating 3.
摘要翻译： X射线荧光光谱仪包括用于以一次X射线6以预定的入射角Θ照射样品1的X射线源7和用于测量从样品产生的荧光X射线8的强度的检测装置9 在预定的检测角α和β处，其中入射角ψ和检测角α和β的两个组合的入射角ψ和/或检测角α和β彼此不同的组合中的每一个强度 测量荧光X射线8，并且每个组合中的入射角ø和检测角α和β被设定为相对于由涂层重量表示的测量深度，其中强度 当测量的目标涂层的涂层重量增加时，荧光X射线8达到等于上限的99％的值，两种组合中的测量深度可以是val ue大于涂层的涂层重量3。
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公开(公告)号：US06668038B2
公开(公告)日：2003-12-23
申请号：US10006584
申请日：2001-12-10
申请人： Yoshiyuki Kataoka , Yasujiro Yamada
发明人： Yoshiyuki Kataoka , Yasujiro Yamada
IPC分类号： G01N2200
CPC分类号： G01N23/223 , G01J3/443 , G01N2223/076
摘要： Where an object to be analyzed in an X-ray fluorescence analysis is a thin film sample, the X-ray fluorescence spectrometer facilitates selection of proper secondary X-ray lines to be measured to thereby facilitate an accurate analysis. The spectrometer includes a measuring line evaluating means 23 operable to calculate for each specified secondary X-ray line to be measured, a first theoretical intensity at a specified thickness and a composition of each of layers in the thin film and a second theoretical intensity at the thickness and the composition thereof when the thickness or a concentration has been changed by a predetermined quantity, to calculate a precision of a thickness or a precision of the concentration based on the first and second theoretical intensities, and to determine applicability or inapplicability of an analysis using the specified secondary X-ray line to be measured.
摘要翻译： 在X射线荧光分析中要分析的物体是薄膜样品的情况下，X射线荧光光谱仪有助于选择要测量的适当的次级X射线，从而有助于准确分析。 光谱仪包括测量线评估装置23，其可操作以针对每个指定的待测量次级X射线线计算指定厚度的第一理论强度和薄膜中每层的组成，以及在第 当厚度或浓度已经改变预定量时，厚度及其组成，以基于第一和第二理论强度计算浓度的精度或浓度精度，并且确定分析的适用性或不适用性 使用指定的次级X射线进行测量。
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公开(公告)号：US07949093B2
公开(公告)日：2011-05-24
申请号：US12296383
申请日：2006-11-24
IPC分类号： G01N23/223
CPC分类号： G01N23/223 , G01N2223/076
摘要： An X-ray fluorescence spectrometer for measuring the concentration of sulfur contained in a sample (S), by irradiating the sample (S) with primary X-rays from an X-ray tube (11), monochromating fluorescent X-rays emitted from the sample (S) with a spectroscopic device, and detecting monochromated fluorescent X-rays with an X-ray detector. The spectrometer includes the X-ray tube (11) having a target with an element including chromium, an X-ray filter (13) disposed on a path of travel of X-rays between the X-ray tube (11) and the sample (S) and having a predetermined transmittance for Cr—Kα line from the X-ray tube (11) and made of a material which is an element of which absorption edges do not exist between energies of S—Kα line and Cr—Kα line, and a proportional counter (18) having a detector gas containing a neon gas or a helium gas.
摘要翻译： 一种X射线荧光光谱仪，用于通过从X射线管（11）照射样品（S）的初级X射线来测量样品（S）中所含的硫的浓度，所述X射线荧光光谱仪从 样品（S），并用X射线检测器检测单色荧光X射线。 光谱仪包括具有包含铬的元素的靶的X射线管（11），设置在X射线管（11）和样品之间的X射线行进路径上的X射线过滤器（13） （S），并且对于来自X射线管（11）的Cr-Kα线具有预定的透射率，并且由在S-Kα线和Cr-Kα线的能量之间不存在吸收边缘的元素的材料制成 ，以及具有包含氖气或氦气的检测器气体的比例计数器（18）。
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公开(公告)号：US07215729B1
公开(公告)日：2007-05-08
申请号：US08470424
申请日：1995-06-06
申请人： Osamu Yokomizo , Yuichiro Yoshimoto , Yoshiyuki Kataoka , Shinichi Kashiwai , Yasuhiro Masuhara , Akio Tomiyama , Akihito Orii , Kotaro Inoue , Takaaki Mochida , Tatsuo Hayashi
发明人： Osamu Yokomizo , Yuichiro Yoshimoto , Yoshiyuki Kataoka , Shinichi Kashiwai , Yasuhiro Masuhara , Akio Tomiyama , Akihito Orii , Kotaro Inoue , Takaaki Mochida , Tatsuo Hayashi
CPC分类号： G21C3/322 , G21Y2002/201 , G21Y2002/30 , G21Y2004/302 , G21Y2004/40 , Y02E30/38
摘要： A resistance member (e.g., fuel holding portion of the lower tie plate) is provided at the lower end of the fuel assembly. Provision is made of a coolant ascending path in which said water rods have coolant inlet ports that are open in a region lower than the resistance member to upwardly guide the coolant, and a coolant descending path which has a coolant delivery port that is open in a region higher than the resistance member to downwardly guide the coolant. The coolant ascending path and the coolant descending path are communicated with each other at their upper end portions.
摘要翻译： 电阻构件（例如，下连接板的燃料保持部）设置在燃料组件的下端。 设置有冷却剂上升路径，其中所述水杆具有在低于阻力构件的区域中开口的冷却剂入口端口，以向上引导冷却剂;以及冷却剂下降路径，其具有在 区域高于电阻构件以向下引导冷却剂。 冷却剂上升路径和冷却剂下降路径在其上端部彼此连通。
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公开(公告)号：US4992231A
公开(公告)日：1991-02-12
申请号：US587525
申请日：1984-03-08
摘要： An emergency core cooling system for spraying cooling water onto a nuclear reactor core of a nuclear reactor includes at least one header disposed in the nuclear reactor and arranged at an upper and outer circumferential position with respect to the reactor core. A plurality of spray nozzles are mounted on the at least one header for spraying cooling water onto the reactor core. The spray nozzles have a center axis and at least one of the plurality of spray nozzles is mounted on the at least one header so that the center axis thereof extends upwardly with respect to a horizontal axis whereas at least one of the remaining plurality of spray nozzles has the center axis thereof extending downwardly with respect to the horizontal axis. Cooling water is conducted to the at least one header for enabling spraying of the water in the emergency situation.
摘要翻译： 用于将冷却水喷射到核反应堆的核反应堆核心上的应急芯冷却系统包括至少一个设置在核反应堆中并且相对于反应堆堆芯的上外周位置设置的集管。 多个喷嘴安装在至少一个集管上，用于将冷却水喷射到反应堆堆芯上。 喷嘴具有中心轴线，并且多个喷嘴中的至少一个安装在至少一个集管上，使得其中心轴线相对于水平轴线向上延伸，而剩余的多个喷嘴中的至少一个喷嘴 其中心轴线相对于水平轴线向下延伸。 冷却水被引导到至少一个头部，以便在紧急情况下喷洒水。
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