| 1. |
ACTIVATED NITROGEN |
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School Science and Mathematics,
Volume 20,
Issue 7,
1920,
Page 571-576
F. O. ANDEREGG,
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PDF (269KB)
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ISSN:0036-6803
DOI:10.1111/j.1949-8594.1920.tb07811.x
出版商:Blackwell Publishing Ltd
年代:1920
数据来源: WILEY
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| 2. |
ASPHALT IN THE UNITED STATES, A GREAT UNDEVELOPED RESOURCE |
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School Science and Mathematics,
Volume 20,
Issue 7,
1920,
Page 576-576
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PDF (56KB)
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ISSN:0036-6803
DOI:10.1111/j.1949-8594.1920.tb07812.x
出版商:Blackwell Publishing Ltd
年代:1920
数据来源: WILEY
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| 3. |
PHYSICAL TESTS |
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School Science and Mathematics,
Volume 20,
Issue 7,
1920,
Page 577-582
Marion D. Weston,
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PDF (243KB)
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ISSN:0036-6803
DOI:10.1111/j.1949-8594.1920.tb07813.x
出版商:Blackwell Publishing Ltd
年代:1920
数据来源: WILEY
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| 4. |
THE USE OF PHYSICAL EQUIPMENT OF THE SCHOOL BUILDING IN CLASSROOM INSTRUCTION1 |
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School Science and Mathematics,
Volume 20,
Issue 7,
1920,
Page 583-593
E. S. Keene,
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PDF (491KB)
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ISSN:0036-6803
DOI:10.1111/j.1949-8594.1920.tb07814.x
出版商:Blackwell Publishing Ltd
年代:1920
数据来源: WILEY
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| 5. |
THE PROJECT AS A METHOD OF TEACHING |
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School Science and Mathematics,
Volume 20,
Issue 7,
1920,
Page 594-601
Rolland M. Stewaht,
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PDF (358KB)
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ISSN:0036-6803
DOI:10.1111/j.1949-8594.1920.tb07815.x
出版商:Blackwell Publishing Ltd
年代:1920
数据来源: WILEY
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| 6. |
IS VENUS CLOUD COVERED? |
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School Science and Mathematics,
Volume 20,
Issue 7,
1920,
Page 601-601
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PDF (54KB)
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ISSN:0036-6803
DOI:10.1111/j.1949-8594.1920.tb07816.x
出版商:Blackwell Publishing Ltd
年代:1920
数据来源: WILEY
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| 7. |
FREE FALL MACHINE; OR ACCELERATION APPARATUS FOR MEASURING “G”: AND THE LAWS OF FALLING BODIES |
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School Science and Mathematics,
Volume 20,
Issue 7,
1920,
Page 602-607
I. Thornton Osmond,
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PDF (189KB)
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ISSN:0036-6803
DOI:10.1111/j.1949-8594.1920.tb07817.x
出版商:Blackwell Publishing Ltd
年代:1920
数据来源: WILEY
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| 8. |
COMMON EVIDENCES OF AIR PRESSURE |
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School Science and Mathematics,
Volume 20,
Issue 7,
1920,
Page 608-611
Stephen S. Visher,
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PDF (171KB)
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ISSN:0036-6803
DOI:10.1111/j.1949-8594.1920.tb07818.x
出版商:Blackwell Publishing Ltd
年代:1920
数据来源: WILEY
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| 9. |
A PROBLEM AND ITS NUMERICAL SOLUTION |
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School Science and Mathematics,
Volume 20,
Issue 7,
1920,
Page 612-618
W. W. Sleater,
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PDF (289KB)
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ISSN:0036-6803
DOI:10.1111/j.1949-8594.1920.tb07819.x
出版商:Blackwell Publishing Ltd
年代:1920
数据来源: WILEY
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| 10. |
NATIONAL RESEARCH COUNCIL |
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School Science and Mathematics,
Volume 20,
Issue 7,
1920,
Page 618-618
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PDF (57KB)
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ISSN:0036-6803
DOI:10.1111/j.1949-8594.1920.tb07820.x
出版商:Blackwell Publishing Ltd
年代:1920
数据来源: WILEY
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