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Bulletin of the Bureau of Standards最新文献

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An explanation of the short life of frosted lamps 对磨砂灯寿命短的解释
Bulletin of the Bureau of Standards Pub Date : 1907-05-01 DOI: 10.6028/BULLETIN.066
E. P. Hyde
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引用次数: 0
Geometrical theory of radiating surfaces with discussion of light tubes 辐射面几何理论与光管的讨论
Bulletin of the Bureau of Standards Pub Date : 1907-04-01 DOI: 10.6028/BULLETIN.056
E. P. Hyde
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引用次数: 5
On the colorimetric determination of iron with special reference to chemical reagents 专用参考化学试剂比色法测定铁
Bulletin of the Bureau of Standards Pub Date : 1907-04-01 DOI: 10.6028/BULLETIN.058
H. N. Stokes, J. R. Cain
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引用次数: 12
The influence of basic lead acetate on the optical rotation of sucrose in water solution 碱式醋酸铅对蔗糖水溶液旋光性的影响
Bulletin of the Bureau of Standards Pub Date : 1907-04-01 DOI: 10.6028/BULLETIN.057
F. Bates, J. Blake
{"title":"The influence of basic lead acetate on the optical rotation of sucrose in water solution","authors":"F. Bates, J. Blake","doi":"10.6028/BULLETIN.057","DOIUrl":"https://doi.org/10.6028/BULLETIN.057","url":null,"abstract":"","PeriodicalId":227231,"journal":{"name":"Bulletin of the Bureau of Standards","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1907-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128575786","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Complete form of Fechner's law 费希纳定律的完全形式
Bulletin of the Bureau of Standards Pub Date : 1907-04-01 DOI: 10.6028/BULLETIN.054
P. Nutting
{"title":"Complete form of Fechner's law","authors":"P. Nutting","doi":"10.6028/BULLETIN.054","DOIUrl":"https://doi.org/10.6028/BULLETIN.054","url":null,"abstract":"Underlying vision, audition, and other sense perception is a fundamental quantitative relation between stimulus and sensation, between the objective and the subjective. From this fundamental relation, once established, may be derived another relation giving the least perceptible increment to the stimulus in terms of the whole. Fechner's law is such a relation derived from experimental data. It states that the least perceptible increment is proportional to the whole stimulus over quite a wide range of moderate intensities. That is, the ratio of least perceptible increment to total stimulus is a constant. This constant experiment shows to be of the order of about two per cent. Now, just at the threshold value of a stimulus, evidently the least perceptible increment is the whole, so that, calling >S this stimulus and SS the least perceptible increment, BS:S=i, while according to Fechner's law SS: S= constant= about 0.02, hence Fechner's law does not and can not hold in this form at low intensities for any sense organ. The general law must be such that BS : S= 1 for S=S ,","PeriodicalId":227231,"journal":{"name":"Bulletin of the Bureau of Standards","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1907-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126482386","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 17
A comparison of the unit of luminous intensity of the United States with those of Germany, England, and France 美国与德国、英国和法国的发光强度单位的比较
Bulletin of the Bureau of Standards Pub Date : 1907-04-01 DOI: 10.6028/bulletin.055
E. P. Hyde
{"title":"A comparison of the unit of luminous intensity of the United States with those of Germany, England, and France","authors":"E. P. Hyde","doi":"10.6028/bulletin.055","DOIUrl":"https://doi.org/10.6028/bulletin.055","url":null,"abstract":"","PeriodicalId":227231,"journal":{"name":"Bulletin of the Bureau of Standards","volume":"62 7","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1907-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132286389","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
The compensated two-circuit electro-dynamometer 补偿式双回路电测功机
Bulletin of the Bureau of Standards Pub Date : 1907-04-01 DOI: 10.6028/BULLETIN.053
E. B. Rosa
{"title":"The compensated two-circuit electro-dynamometer","authors":"E. B. Rosa","doi":"10.6028/BULLETIN.053","DOIUrl":"https://doi.org/10.6028/BULLETIN.053","url":null,"abstract":"","PeriodicalId":227231,"journal":{"name":"Bulletin of the Bureau of Standards","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1907-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126541999","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Revision of the formul of Weinstein and Stefan for the mutual inductance of coaxial coils 修正了同轴线圈互感的Weinstein和Stefan公式
Bulletin of the Bureau of Standards Pub Date : 1906-12-01 DOI: 10.6028/bulletin.044
E. B. Rosa
{"title":"Revision of the formul of Weinstein and Stefan for the mutual inductance of coaxial coils","authors":"E. B. Rosa","doi":"10.6028/bulletin.044","DOIUrl":"https://doi.org/10.6028/bulletin.044","url":null,"abstract":"","PeriodicalId":227231,"journal":{"name":"Bulletin of the Bureau of Standards","volume":"176 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1906-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129222637","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
A vacuum radiomicrometer 真空辐射测微计
Bulletin of the Bureau of Standards Pub Date : 1906-12-01 DOI: 10.6028/BULLETIN.049
W. Coblentz
{"title":"A vacuum radiomicrometer","authors":"W. Coblentz","doi":"10.6028/BULLETIN.049","DOIUrl":"https://doi.org/10.6028/BULLETIN.049","url":null,"abstract":"","PeriodicalId":227231,"journal":{"name":"Bulletin of the Bureau of Standards","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1906-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125607751","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Preliminary measurements on temperature and selective radiation of incandescent lamps 白炽灯温度和选择性辐射的初步测量
Bulletin of the Bureau of Standards Pub Date : 1906-12-01 DOI: 10.6028/BULLETIN.043
C. Waidner, G. Burgess
{"title":"Preliminary measurements on temperature and selective radiation of incandescent lamps","authors":"C. Waidner, G. Burgess","doi":"10.6028/BULLETIN.043","DOIUrl":"https://doi.org/10.6028/BULLETIN.043","url":null,"abstract":"The high efficiency attained in some recent metal filament lamps raises the question whether this is to be attributed to selective radiation or to a higher working temperature of the filament, or to both. As in this region of high temperatures almost no data are available at present, the results of some preliminary measurements on the temperature and selective radiation of a number of metal filament lamps are given in this paper.","PeriodicalId":227231,"journal":{"name":"Bulletin of the Bureau of Standards","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1906-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131707881","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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