نتایج جستجو برای: 1920
تعداد نتایج: 8381 فیلتر نتایج به سال:
رساله حاضر "علل و عوامل اضمحلال امیرنشین بخارا"را در بین سالهای 1868 الی 1920 مورد بررسی قرار خواهد داد ولی با عنایت به ارتباط بسیار نزدیک خانات سه گانه با یکدیگر، از اشاره هر چند مختصر به خان نشین های خوقند و خیوه و نیز ارتباط آندو با روسیه گریزی نبوده است . با این توضیح است که سازماندهی پژوهش فعلی مورد اشاره قرار می گیرد. جهت آزمودن فرضیه های رقیب این رساله نیازمند سه فصل خواهیم بود. فصل اول ...
The generic classification of the Australian Byrrhinae is revised and the following new genera are described: Notolioon gen. n., Nothochaetes gen. n., Idiothrix gen. n., Akidomorychus gen. n., Brachybyrrhulus gen. n. and Pseudomorychus gen. n. A key is provided for the genera of Australian Byrrhidae. The following new combinations are proposed: Notolioon atronitens (Lea 1920) comb. n., N. bryop...
1 Duane and Patterson, Proc. Nat. Acad. Sci., Washington, Sept. 1920; Phys. Rev., Dec. 1920, p. 526. 2 Coster, Z. Phys., 5, 1921 (139); also 6, 1921 (185). 3 De Broglie and Dauvillier, Paris, C. R., 173, p. 137. Dauvillier, Ibid., 172, also 173, p. 647, also other papers in this volume. 4 Smfkal, Z. Phys., 5, 1921 (91, 121). Also 4, 1921. 5Wentzel, Ibid., 6, 1921 (2). Coster, Ibid., 5, 1921 (14...
“Plus que jamais, la recherche me paraissait s’identifier à la nature humaine. En exprimer l’appétit, le désir de vivre. C’était bien le meilleur moyen trouvé par l’homme de braver le chaos de l’univers. De dominer la mort.” (More than ever, scientific research seemed to me to be intrinsic to human nature. It expressed the hunger, the desire to live. It has, in fact, been the best means found b...
? ?????? ????????????? ???????? ???????? ???????? ?????? ? ?????? ??????????? ????????? 1917-1920 ??. ???????? ???????? ????? ??????????? ???? ?????????? ?? ?????????? ????????? ??????, ?????????? ????????? ??????, ????? ?? ?????????? ???????? ??????????, ????????? ?????? ???????-????????? ? ?????????? ????????. ?????????????? ???? ???????????-????????? ??????? ??? ???????????? ???????? ???????...
At the International Nickel Company (INCO) nickel refinery in Clydach, Wales, U.K., which has operated since 1901, 365 respiratory cancers, including 85 nasal cancers and 280 lung cancers, have occurred in workers since the 1920s. From 1901 to 1923, incidences of these cancers were high. In 1923, the refining process was changed, eliminating a nickel arsenide, Ni5As2, called orcelite, from the ...
François Jacob studied bacteria and bacteriophages at the Institut Pasteur in Paris, France, in the second half of the twentieth century. In 1965, Jacob won the Nobel Prize in Physiology or Medicine [3] with André M. Lwoff and Jacques L. Monod for their work on the genetic control of enzyme synthesis. Jacob studied how genes [4] control and regulate metabolic enzymes in the bacterium Escherichi...
On July 27 th 2012, Prof. Academician Ion Albu, MD, passed away, leaving behind a huge void in the minds and souls of his family, his collaborators in the and all those who knew, respected and loved him. Being the one who continued and reformed the prestigious school of anatomy in Cluj, which had been pioneered by V. Papilian after the Great Union, Prof. Ion Albu led the team at the Department ...
I knew Francois Jacob only slightly and yet, ever since graduate school, he has been my constant companion. Hardly a week has gone by without my asking him what he would think of this or that result, this or that sentence in a paper, and so on. What he would have thought of this impertinence I cannot say, because I never really let him know—the discussion went on mostly in my head. And so on he...
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