ScienceJohn Michels (Journalist) 1957 |
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Стр. 44
... problems that are confronting industry now and those that are sure to arise in the future . These problems are much broader than those of industry alone . The whole field of water use is involved , because industrial water problems di ...
... problems that are confronting industry now and those that are sure to arise in the future . These problems are much broader than those of industry alone . The whole field of water use is involved , because industrial water problems di ...
Стр. 690
... problems . He was motivated both by scientific curi- osity and by the desire to solve practical problems . As he wrote in 1909 , in the preface to his pioneer book Fungous Dis- eases of Plants , " The presentation should be fundamental ...
... problems . He was motivated both by scientific curi- osity and by the desire to solve practical problems . As he wrote in 1909 , in the preface to his pioneer book Fungous Dis- eases of Plants , " The presentation should be fundamental ...
Стр. 1249
... problems in America today . So much has been said and written in the last 5 years on this subject that there is danger of confusing all but the con- stant student of the manpower situation . An evaluation of what has been written and ...
... problems in America today . So much has been said and written in the last 5 years on this subject that there is danger of confusing all but the con- stant student of the manpower situation . An evaluation of what has been written and ...
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Chlorpromazine and reserpine prevention | 7 |
3262 | 9 |
3264 | 19 |
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