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Calyx deep purple, campanulate-rotate, 3-5 × 4-6 cm; sepals connate beyond attachment to ovary, abaxially glabrous; tube lantern-shaped, 1-2 × 1-2 cm, constricted at throat, adaxially longitudinally corrugate, becoming reticulate above, orifice ring 3-4 mm wide; lobes ovate to broadly ovate, 2-3 × ca. 2 cm, base with triangular corrugate-papillate area.

花萼深紫色,钟状辐状, 3-5 * 4-6 厘米;萼片合生超过贴生的子房,背面无毛;筒部灯笼形, 1-2 * 1-2 厘米,缢缩在喉部,正面纵向具皱褶,变得在上面网状,宽3-4毫米的孔环;裂片卵形到宽卵形, 2-3 *约2厘米,基部具三角形具皱褶区。

Corolla fleshy, rotate, reflexed,; lobes valvate, often densely hairy or scurfy inside.

花冠肉质,辐状,,;镊合状的裂片,具鳞屑的通常有密毛或在里面。

The tryptophan residues play important roles in DNA photoreactivation catalyzed by CPD photolyases. We have investigated the action mechanism concerning Trp in DNA photoreactivation, and obtained the results as follows: 1 We proposed a mechanism of photosensitized splitting of CPDs by Trp and Trp-containing peptides. 2 Quantum yields of splitting of the model compounds that a Trp linked covalently a CPD were obtained under 290 nm light in various solvents, these values changing with solvent, range from 0.01 to 0.5. 3 Utilizing pulse radiolysis technique, splitting processes were observed in aqueous solution of the CPDs with hydrated electron and some oxidative species (such as hydroxyl radical, bromic radical and azide radical), and obtained their rate constants. In the case of interaction between CPD and hydrated electron, splitting of the CPD anion, and pyrimidine anion transfer an electron to FAD or Rf, were observed. The process rate was slower one order more than that in photolyase. Minor, but highly mutagenic UV-light-induced lesions are (6-4) photoproducts, which are repaired by (6-4) photolyases. These enzymes, discovered in 1993, are not well characterized and their mechanism is still under investigation.

我们研究它的作用机理,获得以下结果:1)建立了色氨酸及其肽对嘧啶二聚体光敏化裂解的直接修复作用机理模型;2)获得了色氨酸共价键连接于嘧啶二聚体的化合物在多种溶剂中290nm光辐照裂解的量子效率,其值随溶剂而变化,范围在0.01-0.5;3)运用脉冲辐解观察到嘧啶二聚体与水合电子和一些氧化性的自由基作用裂解过程,得到相应速率常数;对二聚体与水合电子作用发生裂解以及向FAD返还电子的过程进行了体外模拟;4)(6-4)光解酶的作用机理中一个关键假定是氧杂环丁烷中间体在接受电子后能自发裂解,恢复二嘧啶的结构。

Corolla rotate to salverform; lobes valvate in bud, spreading to reflexed when open.

对高脚碟状辐状的花冠;镊合状的裂片在芽中,什么时候打开的开展到反折。

Corolla rotate to subcampanulate; tube thin, fleshy; lobes thin to thick, fleshy, valvate in bud. Stamens exserted; filaments very short, flat; anthers 2- or 4-locular, connate or free, base 2-parted, introrse.

对近钟状辐状的花冠;筒部薄,肉质;对厚薄,肉质,镊合状的裂片在里芽雄蕊外露;花丝非常短,平;花药2-或者室,合生或离生,基于2深裂,。

Three full-sibling binary CMS lines, 11 back-cross binary CMS lines, 10 half-sibling binary CMS lines, 10 isozygoty CMS lines and five restorer lines were chosen to make 50 single hybrids and 120 modified single cross hybrids by the way of NC Ⅱ design. The plots of F1 were arranged in the field in a randomized complete block design with 2 replications and the combining ability of 7 characters were analyzed using random model.

利用3个全同胞型二元不育系、11个回交型二元不育系和10个半同胞型二元不育系及其10个亲本纯合不育系,分别与南恢04、明恢86、辐恢838、先恢207和密阳46等5个恢复系按照NCⅡ交配设计配制了50个单交种和120个改良单交种,按随机区组的随机模型分析方法,对二元不育系主要性状进行了配合力分析。

Umbels compound; bracts few or absent; rays few to many; bracteoles few to many, lanceolate or linear, bases often connate, scarious or scarious-margined; umbellules few- to many-flowered; pedicels short or long, occasionally subsessile.

复伞状花序苞片很少或无;伞辐少数到多数;小苞片少数到多数,披针形或者线形,基部通常合生,干膜质或者干膜质边缘;小伞形花序有花少数至多花;花梗短或者长,偶尔近无柄。

The main formation causes of storm current are convergence of tidal current and special topography and the strength of storm current depends mainly on the released disordered potential energy .

对滦河口近海激流的形成进行了讨论,认为潮流的辐合和特殊的地形是激流形成的主要原因,而激流的大小则主要取决于无序位能的释放量。

The main relative systems of heavy-hard rainfall in northeast plateau are Western Pacific Subtropical High, South Asia High, Low Latitude Systems, Upper Level Jet , Low Level Greater Wind Speed Axes, Westerly Trough and Plateau Trough, Low Level Vortex, Cold Frontal, Occluded Front in Qinghai Lake, Mesoscale Low Pressure, Heat Low-Pressure in Qinghai, shear line and convergence line, mesoscale cloud cluster, etc.

西太平洋副高、南亚高压、低纬系统、高空急流、低空大风速轴;西风槽和高原槽、低涡、冷锋、青海湖锢囚锋以及中尺度低压、青海热低压、切变线与辐合线、中尺度云团等系统是高原东北部地区大到暴雨的主要相关系统。100hPa上的南亚高压中心强度加强,位置东西摆动预示高原地区将有降水产生,中心强度减弱,降水过程结束。

Analysis of causes as to why MCS propagates to the southwest of MCC indicates the propagation direction depends on the direction and velocity of the two convergences.

分析MCS在MCC西南方向传播的原因表明,两条辐合线的移动方向和速度决定了暴雨MCS的传播方向。

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Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势,并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。

This dramatic range, steeper than the Himalayas, is the upturned rim of the eastern edge of Tibet, a plateau that has risen to 5 km in response to the slow but un stoppable collision of India with Asia that began about 55 million years ago and which continues unabated today.

这一引人注目的地域范围,比喜马拉雅山更加陡峭,是处于西藏东部边缘的朝上翻的边框地带。响应启始于约5500万年前的、缓慢的但却不可阻挡的印度与亚洲地壳板块碰撞,高原已上升至五千米,这种碰撞持续至今,毫无衰退。