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The degradation of pollen tube RNA in vitro by stylar S-RNase at different temperatures was performed to detect the extent of degradation using the agarose gel electrophoresis. The germination and tube growth of self-pollen and the RNA of self-pollen tube were inhibited and degraded significantly greater than cross-pollen respectively at 10℃ and 25℃, but no significant difference when the temperature rose to 35℃.

10℃、25℃时,花柱S-RNase抑制自花花粉萌发和花粉管生长的程度极显著大于抑制异花花粉的程度;花柱S-RNase降解自花花粉管RNA的程度也明显大于降解异花花粉管RNA的程度;温度升高到35℃时,自花和异花间花粉萌发和花粉管生长被花柱S-RNase抑制的程度不存在显著性差异;花柱S-RNase降解自花和异花花粉管RNA的程度也相似。

The growth of plantlets with the height of 1-2 cm and 3-4 leaves was compared on MS basal medium containing various organic compounds, including banana, carrot, potato, coconut water, and tryptone. The result showed that the growth of oncidium plantlets was the best on medium containing banana, potato and tryptone altogether with respect to their plant height, leave number, root number, root length, fresh weight, and dry weight. The next better media were the control and the Banana medium, followed by the Potato medium.

另外取高约1-2公分,带3-4片叶片的分化小苗,培养於含不同浓度有机添加物(香蕉、胡萝卜、马铃薯、椰子水、及tryptone)的半量MS培养基,以探讨最适合文心兰瓶苗生长的培养基,试验结果显示,在同时含香蕉、马铃薯及tryptone三种成份的培养基生长的小植株不论在株高、叶数、根数、根长、鲜重、及乾重均较其他培养基为佳;不含添加物之1/2MS培养基、及含香蕉的培养基次之,而在含马铃薯之培养基较差。

The main reason causing the defects and low angle boundaries in SC casting is the perturbations of heat flow and the slight misorientation at the S/L interface. An uniform and unidirectional heat flow is required to produce a single crystal casting free of low angle boundaries or splaying

单晶组织中由于晶体取向与热扩散场综合作用因素造成的亚单元生长形态的改变是造成单晶缺陷的主要原因,控制均匀、严格单向性的热场,并利用单晶生长的各向异性特性,可以避免发散型枝晶组织和小角度晶界的出现。

The exposed massive cold-seep carbonates provided substrate for the encrustations of corals as well as coralline algae and might have played a crucial role in the initial development of coral reefs in a siliciclastic paleoenvironment of active tectonic setting. This is probable the first case of the world that cold-seep carbonates acting as initial colonization hardgrounds of hermatypic corals and corallines.

在此基底泥岩快速浅化的过程中,出露的块状冷泉碳酸盐岩成为不稳定地体构造背景中,珊瑚与珊瑚藻等表覆生物在矽质碎屑环境生长的硬底质,可能在礁体的最初发育扮演关键性的角色;此种冷泉碳酸盐岩成为造礁珊瑚与珊瑚藻在矽质碎屑古环境中最初生长硬底质的现象,很可能为世界首例。

The affects of crystal absorption for heat radiation on crystal growth,which include:the heat loss of the hot grower,the chara cteristic of temperature time of crystal growth,the pattern of fluid flow and the shape of interface,the interface inversion of crystal,the temperature distribution and the thermal stress distribution,are reviewed in this paper.

本文综述了晶体对熔体热辐射吸收对晶体生长的影响,包括对热腔热耗散的影响;对晶体生长温度时间特性的影响;对液流形态和固液界面形状的影响;对晶体界面反转的影响;对晶体中温度分布和应力分布的影响。

Thus the paper has turned the keen adge to a growing, continous and mild developing process. It let the fading-away dege becomes the meristem of a new development. We believe, a new history will be created during the 20 years.

将一道锐利边缘转化为生长的、持续的、温和的变化过程,让处于毁灭的边缘成为新生长的起点,在这个20年间将构成新的一段历史。

A sustainable landscape pattern is served for the ways as pulling down and moving away. Thus the paper has turned the keen adge to a growing, continous and mild developing process.

将一道锐利边缘转化为生长的、持续的、温和的变化过程,让处于毁灭的边缘成为新生长的起点,在这个20年间将构成新的一段历史。

The biological parameters of hair growth mainly include hair density, shaft diameter, rate of linear growth, cycle status. The anagen:telogen ratio is the best indicator for cycle status given the impracticalities of measuring the duration of anagen.

毛发生长的主要生理性参数包括:毛发的密度、直径、毛发的线性生长速度和毛发循环的比例等,其中,休止期/生长期毛囊的比例是反映毛发循环比例的重要参数。

The results of in situ incubations enriched with nutrients show that, the phytoplankton growth was seriously limited by phosphorus in the Laizhou Bay of the Bohai, and the phosphate concentration there was as so low to unmeasurable.

外加营养盐现场受控培养结果表明,在渤海的莱洲湾附近,浮游植物的生长表现为显著的磷限制,并且其水域的磷酸盐浓度低至检测限附近;在渤海中部,氮是影响浮游植物生长的主要营养元素;而到了渤海海峡,则表现为显著的氮限制。

Similar views are expressed by other biologists (Bertalanffy, 1952). Simpson (1949) gives a beautiful example paralleling the great variations of fishes living in the identical environment: the horns of antelopes living in the Belgian Congo. Discussing the variations in shape, he says

其他的生物学家也有相似的看法(Bertalanffy, 1952),Simpson (1949)对应於在相同环境下鱼类生长的差异,他给了我们这样一个完美的例子:生长在比利时刚果的羚羊与其羊角,他讨论了羊角形状的变异

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