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65223 documents, page 1 of 6523

Positively curved complex submanifolds immersed in a complex projective space IV

Let Pm(C) be an m-dimensional complex projective space with the Fubini-Study metric of constant holomorphic sectional curvature 1, and let M be an n-dimensional compact Kaehler submanifold immersed in Pm(C). It is natural to conjecture the following: ...

SPECIALTY CONFERENCE: The Treatment of Retained Gallstones

Various techniques are available to evaluate patients suspected of having common duct stones before an operation on the biliary tract. In patients without jaundice, intravenous cholangiography with tomography may provide satisfactory visualization of the biliary system and its contents. Sonography and computerized axial tomography are useful noninvasive methods. Endoscopic retrograde and transhepatic cholangiography are invasive techniques; but, when successful, they provide the most precise ...

Noch einmal Pius IX.

Noch einmal Pius IX. : ein verbilligter Hasler. - In: Klerusblatt. 59. 1979. S 221 f.

An Evaluation of Models of Inezeño Chumash Subsistence and Economics

A hasty conclusion to this evaluation of the models of Inezeño economic organization and the evidence supporting them might be that the models should be set aside and attention devoted to ascertaining archaeological (and environmental) facts before returning to model-building. This is reasonable, but it must be remembered that the facts we look for (e.g., small pieces of salmonid bones) and the techniques used to obtain them (e.g., fine screening) imply that certain kinds of information are n...

森林の開墾にともなう植生の変化について : 第 1 報初期における低木および草本類の生態について(附属熱帯農学研究施設)

本報は琉球大学農学部附属熱帯農学研究施設において開墾の違いによる植生の経時的な変化について, 開墾後2年間の調査結果である。1. 開墾はレーキドーザーを使用し地形を変えず表土を残した区とブルドーザーで表土を除き平担とした慣行の区を作り, 隣接する自然林を対照区とした。2. 対照区の植生は40科68種で構成され低木層ではヤマヒハツ, モクタチバナ, リュウキュウアオキ, アデク, ケハダルリミノキ, リュウキュウガキ, マンリョウなどが優占種となり草木層ではイリオモテクマタケラン, センリョウ, ヒリウシダ, ツルアダンなどが優占種となっている。3. レーキドーザー区に認められた2年間の植生は14科33種であるが, その内12種は対照区で認められず, 試験区外から種子が飛来したものと思われる。4. ブルドーザー区に認められた2年間の植生は7科10種でその内5種は対照区内に認められず, 試験区外から飛来したものと思われる。5. レーキドーザー区は2年間において植物の種類では対照区の約50%, 対照区内にある植物のみでは30%であるのに対し, ブルドーザー区は植物の種類で14%, 対照...

Residues of DDT and lindane on treated conifer seedlings and in forest soil

Conifer seedlings were treated with DDT and lindane before being planted in a reforestation area. At intervals samples were taken from the planted seedlings and the surrounding soil and analysed for DDT components and lindane. The loss of the insecticides from the seedlings and the incidence of them in the soil were determined. The ecological impact of planting insecticide-treated seedlings in the forest is discussed.

Research and development of bellows for LMFBR in Japan

The bellows is employed as a useful mechanical element with its flexibility and imperviousness to liquid and gas in the system in which such chemically active substance assodium is handled. Since the early time of development of Japanese LMFBR, bellows have been used E.G. For the shaft seal of small sodium valves. Bellows are employed in the fast experimental reactor JOYO which is now in operation and the fast prototype reactor MONJU whose desing program is in final stage at the following par...