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The flower that discovers two kinds of Culture Polygonatum all headings up the sequence to living and open from the base, the bud stage expects about 45 days, blossom perion about 20 days.

发现两种黄精的花均是从基部向上顺序生出和开放,蕾期45 d左右,花期20 d。

In the bolting time and blooming time, B deficiency mainly influenced on the growth of the propagative organ of rapeseed ( Brassica Napus L.), the agronomic character was similar to the seedlings, and the B concentration range of the rapeseed varieties which responded to the B scarce was 0.005 mg/L to 0.25 mg/L.

苔期和花期,缺硼主要影响甘蓝型油菜繁殖器官的形成和发育,营养生长农艺性状的变化规律与苗期相似,品种间对缺硼反应差异最大的硼浓度范围为0.005 mg/L—0.25 mg/L。

In the seedlings time, the content of chlorophyll decreased by the deficiency of B, but the content of chlorophyll in the high efficiency cultivar decreased slowly than that of the low efficiency cultivar. This suggested that the leaves of the high efficiency cultivar can capture more light energy and the photosynthetic rate of the high efficiency cultivar decreased slowly. In the bolting time and blooming time, after two weeks of B deficiency treatment, the content of chlorophyll in the top leaves of the high efficiency cultivar decreased, and in the late time, the content of chlorophyll decreased slowly. But, the content of chlorophyll in the bellow leaves of the two cultivars had little changes. The reason may be that B in the high efficiency cultivar distributed to the propagative organ in the late growth, and the leaves were short of B.

苗期,缺硼导致甘蓝型油菜色素含量降低,且高效品种色素含量下降的幅度小于低效品种,表明营养生长阶段,同等程度的缺硼条件下,高效品种叶片对光能的收集能力以及光合速率下降的程度相对较小;苔期和花期,在两周的缺硼处理后,高效品种上部叶色素含量依然呈下降趋势,但随着生育期的推移,其下降幅度减小;而高效品种下部叶和低效品种叶片含量变化不大,可能是甘蓝型油菜进入生殖生长阶段后,高效品种将硼更多地分配到繁殖器官,而其叶片却承受了相对较大的缺硼胁迫。

Therefore, we selected common species of Ranunculaceae. comparative primordial plants in Alpine Meadow at Eastern QinghaiTibetan Plateau, and studied the reproductive strategies, such as reproductive allocation, especially sex allocation, to understand how the plants adapt the environmental conditions. The results showed:(1) At higher altitude, the self-incompatible plant, such as Trollius ranunculoides tended to become limited by pollination rather than by nutrient availability, while the self-compatible plants, such as Anemone rivularis and A. obtusiloba seemed not to be limited by pollen availability, which suggested that ability of self pollination for alpine plants may be a mechanism of reproductive assurance.(2) Influences induced by high altitude on the reproduction of these species occurred on different reproductive characters, which suggest species-specific adaptive strategies. The influences are dependent on plant size to some extent.

因此,我们选择在青藏高原东部的高寒草甸,以比较原始的植物类群—毛茛科植物为研究对象,选择一些常见种探讨其繁殖对策,如繁殖分配和性分配问题,试图揭示这些植物如何适应环境条件,最后的结果表明: 1高寒草甸高海拔区,自交植物(如小花草玉梅A.rivularis和钝裂银莲花A.obtusiloba)的繁殖不受花粉限制,而完全异交植物(毛茛状金莲花T.ranunculoides)的繁殖受花粉限制,表明高海拔地区植物的白花授粉能力可能是一种繁殖保障机制,能够避免恶劣环境对植物有性繁殖的不利影响; 2海拔高度对植物的影响因种而异,不同的物种受影响的繁殖性状不同,即使同属亲缘种间也存在差异,表明不同物种对相似环境压力的适应对策不同;而且,海拔高度对植物的影响在一定程度上依赖于植物个体大小,说明植物通过调整其个体大小与繁殖性状的关系来适应环境梯度的变化; 3植物花期和果期的繁殖分配并不完全随海拔升高而减小(只有小花草玉梅的果期RA随海拔升高而减小30%),与Iwasa和Cohen的预测不完全一致(他们认为繁殖分配随生长季缩短而减小)。

Outside aril of clothe ministry ringent, egg circle falls when maturity, into cup shape, thick red, the flesh is qualitative, rich oar juice.

花期5~6月,种子9~10月成熟。特征生境性耐阴,密林下亦能生长,多年生,难成林。多见于以红松为主的针阔混交林内。

Sepals (4--)5 mm or more at anthesis, apex acuminate, veins conspicuous; mature capsule yellowish; seeds rugulose

萼片(4-)明显的5毫米或更多在花期,先端渐尖,脉;成熟的蒴果淡黄;种子微皱 37 S。

These features made the cultivars bred at recent years use water more savingly at their earlier vegetative growth period, and conserve certain amount of soil water to satisfy their water needs at flowering and seed-filling stages, and hence, enhance their yield production.

这些特点使得现代春小麦品种在早期营养生长过程中能够节约用水而保留一定土壤水分以满足花期和灌浆期水分需求,因而提高了作物产量。

Polyphenols and antioxidant capacity in different organs of Muscat Hamburg in the whole growth periods, and the effects of seedlessness treatment on polyphenols and antioxidant capacity of Muscat Hamburg were studied. The main results are as follows: 1. From the beginning of blooming period to the ripening period of Muscat Hamburg, the content of polyphenols in different organs decreased at first, and then increased with the development of the grape berry.

本文以玫瑰香葡萄为材料,研究了整个生长发育期内葡萄各个器官及无核处理葡萄的酚类物质及抗氧化能力变化,主要结果如下: 1从玫瑰香葡萄始花期开始,至浆果成熟期止,随着果实的发育,葡萄内各个器官的酚类物质含量呈现先下降后上升的趋势。

Cincinni ca. 6 cm; flowers dense, 20--30, only 1 or 2 fertile; peduncle 3--4 cm; involucral bracts sheathlike, 5--10 mm, membranous, glabrous; bracts ovate-orbicular, 1--1.5 cm × ca. 8 mm, membranous; pedicels straight, very short at anthesis, to 1 cm in fruit.

蝎尾状聚伞花序约6厘米;紧密的花,20-30,能育的1或2的只是;花序梗3-4厘米;总苞片鞘状,5-10毫米,膜质,无毛;苞片卵形圆形,1-1.5厘米*约8毫米,膜质;花梗直的,非常短在花期,在果期达1厘米。

Stigma ovoid-capitate, on short style; stipules persistent, reflexed at flowering; slender stoloniferous herb.

柱头卵球形头状,在短花柱上;托叶宿存,在花期反折;纤细的有匍匐茎的草本。

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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。