• 太阳以外只有四个行星大气层光谱分光镜技术(一个化学分析技术)仔细观察研究还有32个曾被观察到。

    Swain says just four extrasolar planets' atmospheres have been studied in detail with spectroscopy, a chemical analysis technique. Another 32 or so have been observed.

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  • 太阳九个行星当中,因为地球,所以人类唯一居住的星球。

    Among the nine planets in the solar system, Earth is the only one on which human beings live because of its appropriate temperature.

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  • 水稻光敏核不育d 18D23的性转换的敏感第二梗分化花粉细胞形成期

    The sensitive phase of fertility alteration of D18 and D23 occurred from the second branch differentiation phase to pollen mother cell formation.

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  • 本区禾本科植物绝大多数属于地带分布类型,因而具有明显高原高山植物区特征

    Great majority of grasses in this area is a dispersed type to temperate and cold zone. Showing the feature of highland and alpine flora is quite clear.

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  • 麻粒榴辉岩退变质阶段主要形成于中压岩相的条件

    The amphiboles of retrogressive metamorphic stages in the granulite and eclogite were mainly formed under the condition of amphibolite facies of medium pressure facies series.

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  • 提出一种新型钢铁中锌钙状态磷化工艺。

    A newly developed phosphating process under middle level temperature is put forword.

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  • 目的探讨脾汤药物血清原代培养大鼠细胞增殖影响

    Objective:To study the effect of Wenpitang pharmacologic serum on proliferation of mesangial cells of rats in vitro.

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  • 针对磷化技术缺点研制出一种低磷化促进

    In view of the shortcomings of medium temperature zinc based phosphating technology, the title accelerator has been developed.

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  • 依据水稻()不育变化实验结果提出衡量不育育性变化规律特征及其量化模型

    In the light of experimental results on variation in fertility of photo (temperature) sensitive sterility line of rice proposed are the eigenvalues and a quantifying model for the variation.

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  • 不育不育表达不稳定近年来杂交水稻研究和应用中遇到一大难题。

    The meaning of ISE was defined; the complexity of fertility expression of PTGMS lines, the drift of critical sterility inducing tempera tu.

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  • 介绍了黑处理配方磷化液配方。

    Bath formulas of blackening pretreatment and manganese series phosphating at mid-temperature were introduced.

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  • “华两优106”是以早熟早籼型不育M103S”为母本早稻T1005”配组而成的两法杂交早稻新组合。

    "Hualiangyou 106" was bred by crossing between early-maturing early indica temperature-sensitive genetic male sterile line "M103S"(mother parent) and new early rice line "T1005".

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  • 黑色抗蚀磷化工艺传统的锰磷化工艺进行改进。

    Mn series black anti-corrosion phosphating process at medium temperature was an improved process for traditional Mn series phosphating process.

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  • 近年对籼粳F1和光不育花药培养成为研究热点,其花培后代因所用材料不同而不同。

    Hybrid F1 from Indica crossed with Japoniac as well as Photoperiod and Temperature Sensitive Genic Male-Serile(PTGMS) rice lines were the hot materials used in anther culture in recent years.

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  • 最大限度控制育性遗传漂移小麦光敏核不育提纯中要解决主要问题。

    Minimizing the genetic drift in fertility was key to the purification and reproduction of thermo photo sensitive genic male sterile (TPSGMS) lines of wheat.

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  • 结果表明现有的两用核不育性转换光反应多型性的。

    The results indicate that the dual purpose genic male sterile lines are diversified on fertility response to photoperiod and temperature.

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  • 采用辐射诱变获得的带有色白转绿特性的水稻光不育W1”的遗传及其生物学特性进行了研究

    Inheritance and main agronomic traits of photo-thermo-sensitive genic male sterile line W1 with a greenable albino leaf was investigated.

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  • 研究黑色磷化工艺。

    A kind of manganese series black phosphating technics at mid-temperature was studied.

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  • 因此,选育不育临界度低、性相对稳定实用光敏核不育探讨不育育性转换规律、育性遗传规律生理生化特性理论实践具有重要意义。

    So it is very important for the theory and practice to research and insight the fertility alteration, fertility inheritance and physiological and biochemical characters of PTGMS lines.

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  • 目的探讨运用活血治疗发热临床疗效

    Objective To discuss the clinical curative effect of the therapy of ascending lucidity, descending turbidity and activating blood on pulmonary fever of warm disease.

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  • 本文介绍了采用工业硝酸酸化废旧铁屑、制取硝酸亚铁溶液,并溶液为主要原料研制新型-铬变换催化剂。

    A new process that industrial nitric acid reacts with iron chippings and shavings to produce ferrous nitrate solution is presented.

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  • 雄性不育TGMS)材料杂交水稻生产起到很重要作用

    The thermo-sensitive genic male sterility (TGMS) lines play a crucial role in two-line hybrid rice production.

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  • 对农垦58S安农S-1,衡农S- 1不育及衍生不育雄性不育性进行遗传育种学研究。

    From 1986 to 1996, we have researched on the heredity and breeding in sterility of photoperiod (thermoperiod) sensitive genic male rice (PSGMR) of Nongken58S, Annong S 1 and so on.

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  • 1999年2000年分期栽试验,研究了敏核不育2301s交不育和花粉败育类型影响

    The effects of temperature on the bagged self seed and the abortive pollen types of indica TGMS rice line 2301s were studied by sowing on different dates in 1999 and 2000.

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  • 中山凉性针阔叶混交林海拔约3 100 m 处大动物区分异界线

    The elevation of 3100 m (in Cooltemperate coniferous and broadleaf mixed forest) was the dividing line between the two realms in Cangshan Mountain.

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  • 雪丽·里菲兹:戴尔·克伦华盛顿特区美利坚大学新闻教授

    SHIRLEY GRIFFITH: Wendell Cochran is a journalism professor at American University in Washington, D. c.

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  • 雪丽·里菲兹:戴尔·克伦华盛顿特区美利坚大学新闻教授

    SHIRLEY GRIFFITH: Wendell Cochran is a journalism professor at American University in Washington, D. c.

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