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|  | | 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法,我们为您准备了出自英文原文的大量英语例句,供您参考。 | |
Among other things, we prove that, for a compact K?hler-Einstein complex surface (M, J, g0) with negative scalar curvature, (i) if g1 is a Riemannian metric on M with λM(g1) = λM(g0), then
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It is shown that the higher the slag basicity, the stronger the hydration interactions in alkaline binder compositions causing their hardening, all other things being equal.
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It is shown that, other things being equal, the response of the system to the light wave is greatest when the period of the interference intensity pattern is of the order of twice the thickness of the layer.
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Apparently, the calculation formulas for the rate of thermophoretic transfer have a wider range of validity than those previously obtained, all other things being equal.
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It is demonstrated that the main factor defining the electron loss in magnetic traps in the collisionless limit is the departure of fast electrons from magnetic traps to the boundaries of the structure among other things.
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| | (1) Sodium salt of reduced codehydrogenase I has been obtained in good yield as a dry powder from codehydrogenase I by reduction with alcohol and alcohol dehydrogenase. This preparation was stable for at least 5 months when kept dry at -15℃. (2) The properties of the particle-bound codehydrogenase I cytochrome reductase system in heart muscle preparation were found to differ considerably from those of the soluble enzyme as obtained by Mahler et al. Among other things, the affinity for cytochrome c of ... | | (一)本報告提供了一個從輔酶Ⅰ,用酶還原法製備還原輔酶Ⅰ的方法。我們所製得的還原輔酶Ⅰ鈉鹽乾粉,可以在低温保存數月而不被氧化。 (二)與心肌製劑中顆粒相結合的輔酶Ⅰ細胞色素還原酶系,和用乙醇抽出的水溶性的輔酶Ⅰ細胞色素還原酶的性質頗不相同。其中比較重要的不同點是對於細胞色素c的親力,前者遠大於後者,其米氏常數僅約為後者的十二分之一。 (三)用一心肌顆粒製劑作為材料,無論用氧或過量之細胞色素c作為氫受體,還原輔酶Ⅰ與琥珀酸同時氧化時的總速度,不等於二者分別氧化時速度之和,而僅等於其中氧化較快者單獨氧化時之速度。但如用[2,6]二氯靛酚作為氫受體時,二者共同氧化時之總速度完全等於二者分別氧化時速度的和。 (四)當用氧或過量之細胞色素c作為氫受體時,琥珀酸與還原輔酶Ⅰ能彼此互相抑制對方氧化的速度。有足夠的實驗材料說明,還原輔酶Ⅰ對於琥珀酸氧化的抑制,不是由於草醯乙酸聚集的緣故。 (五)如果在反應混合物中同時含有琥珀酸脫氫酶的專一抑制劑,丙二酸,則琥珀酸對於還原輔酶Ⅰ氧化作用的抑制即被解除。 (六)根據以上的實驗結果,可以認為,還原輔酶Ⅰ及琥珀酸先通過一個共同的因子與細胞色素c作用。這個共同的因子在一般情形之下,也是... | | 文摘来源 | | This special issue is on the request of the Yunnan provincial government to fullfill a new Plan in the following years to establish series of Nature Conservation Stations throughout this province. As the Socialism construction in our country is so fast, especially the influence of the great-leap forward of 1958, that stimulate everything to meet the modernization of new China. Plans for the establishment of Naturc Conservation Station in Yunnan is also one of the new things omorged in that year. Ther... | | 本專号包括五个自然保护区的植被調查报告,其中大勐籠、勐崙、勐臘及勐养等四个自然保护区在西双版納境內,景东无量山自然保护区在景东境內,五个自然保护区都排列在瀾滄江兩岸分佈在北緯21°—25°之間。西双板納位於云南南部,北緯21°—22°30′,东經99°55′—101°15′。全区皆为海拔540—1000公尺的盆地和低山中山,个别山峯达1800公尺。面积約25000平方公里,瀾滄江縱貫其間,一片熱帶亞热帶的风光,是一个可爱的祖国边疆。本区气候炎熱湿潤,沒有明显的四季,只有明显的乾季和雨季(或乾季、雨季、霧季三季)。年降水量1000—1800公厘。年平均温度都在18℃以上。景东无量山,受干热河谷热带气候的影响,基本上与西双版納地区相似,具有大型高山特点。在大地構造上,位于中越地台西部的横断山块断带,紅河大断裂与康滇台背斜分开,及燕山运动对本区有着巨大的影响,其基底組成,由元古代昆阳系之千枚岩、板岩和石英大理岩構成;盖层以三迭紀陆相紅色砂頁岩广泛复盖其上,厚度不下于500公尺。本区山脈走向,均是西北东南向,由西北逐漸向东南降低。澜滄水系和盆地也具有与山脈走向相一致的情况。地貌的发育是严格受着地壳構造,近代地壳运动及... | | 文摘来源 | | On the basis of new facts and laws revealed by modern astronomy and physics, it seems necessary and expedient to introduce the concept of "cos- moscopic" process, to stand side by side with macroscopic and microscopic processes. Cosmoscopic objects differ from macroscopic objects (things seen everday on the Earth as well as meteoric bodies, small asteroids and satellites) in mass and scale just as much as the difference between macroscopic objects and microscopic objects. Gigantic difference in quanti... | | 根据现代天文学和物理学的研究结果,有必要在微观和宏观之外建立宇观这个概念。宇观客体和宏观客体在量质和尺度方面的差别不亚於地上常见的宏观客体和微观客体的差别。量的巨大差异导致质的显著不同。天体的机械运动,恒星系统及其成员的运动,质量和体积都很大的气团由於自吸引而产生的凝聚,恒星内部的天然热核反应,星云和恒星外壳中禁戒谱綫的产生,流体运动同磁场的强耦合,天然超密物质的存在,强引力场中空间的弯曲,和天体的演化,这些都是宇观现象和宇观过程的具体例子,也是提出宇观概念的科学依据。星系动力学,宇宙电动力学,广义相对论等是宇观过程规律的例子。在宇观过程中,万有引力常起重要的作用,而等离子态是最普遍的物态,宇观概念将帮助我们更深刻地认识无机界的物质过程。它将使我们不致於把只适用於宏观过程的规律不加改变地就用於宇观过程的探讨上。在掌握了宇观规律的基础上,可以在地上用人工方法创造宇观条件,使那些只有在宇观条件下才能够天然地发生的过程,如热核反应,禁戒谱綫,物质的高度密集,宇宙綫等,在地上也能发生。进行模拟实验时应当注意质量和尺度的差异所引起的质的不同。宇观、宏观、微观的区别说明了辩证规律在自然界中处处在作用着。 | | 文摘来源 | |   | | << 更多相关文摘 |
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