| 单词 | periodic law |
| 例句 | The modern statement of this relationship, the periodic law, is as follows: the properties of the elements are periodic functions of their atomic numbers. Chemistry 2019-02-14T00:00:00Z It could be that even relativity fits a pattern—“a further testament,” he writes, “to the underlying fundamental nature of the periodic law.” The Histories Hidden in the Periodic Table 2019-12-27T05:00:00Z The British chemist William Odling discovered the “periodic law” — properties of a family of elements that repeat, approximately, at regular intervals. Is It Time to Upend the Periodic Table? 2019-08-27T04:00:00Z Nineteen years ago, the British government passed one of its periodic laws to manage how people move through the countryside. The Search for England’s Forgotten Footpaths 2019-01-12T05:00:00Z Fish and Game will also be required to provide periodic law enforcement services on the endowment land and enforce any rules and regulations implemented by the state Department of Land as part of the agreement. Correction: Idaho-Public Land story 2018-08-23T04:00:00Z The structure of the molecule, which mainly followed investigations in organic compounds, Frankland’s conception of valency, and finally the periodic law, have also been shown in their chronological order. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" This at least ought to commend itself to the consideration of the lovers of mystical numbers and "periodic laws." A Short History of the Book of Common Prayer It is evident that the forms of animal life on the globe are necessarily determined by the periodic law of the Earth's diurnal rotation. Essays Towards a Theory of Knowledge The physical constants of many of the elements did not at first agree with those demanded by the periodic law, and a further study of many such cases showed that errors had been made. An Elementary Study of Chemistry Such a change—whether considered from the point of view of the periodic law or of the radioactive theory would involve many interesting consequences. The Birth-Time of the World and Other Scientific Essays They do not follow the constant periodic law, and they are not true harmonic sine functions of the time. Scientific American Supplement No. 822, October 3, 1891 We can imagine the respect accorded to the Chaldaean sages who first discovered that eclipses could be predicted, and how the philosophers of Mesopotamia must have sought eagerly for evidence of fresh periodic laws. Kepler Now it is to the curvilinear motions of the heavenly bodies that we must ascribe our subjection to the periodic law. Essays Towards a Theory of Knowledge When the periodic law was first formulated there were a number of vacant places in the table which evidently belonged to elements at that time unknown. An Elementary Study of Chemistry In effect the periodic law had enabled Mendeleeff to predicate the existence of the new elements years before they were discovered. A History of Science — Volume 4 The periodic law has proved of much value in the development of the science of chemistry. An Elementary Study of Chemistry This generalization is known as the periodic law, and may be stated thus: The properties of elements are periodic functions of their atomic weights. An Elementary Study of Chemistry So very soon the periodic law took its place as one of the most important generalizations of chemical science. A History of Science — Volume 4 This arrangement brought to light a great generalization, now known as the periodic law. An Elementary Study of Chemistry |
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