Relative size of the inner planets of the solar system (from l-r) : Mercury, Venus, Earth, and Mars.
太阳系内部行星的相对体积(拍自1 - r)：水星、金星、地球和火星。
Relative size of the inner planets of the solar system (from l-r) : Mercury, Venus, Earth, and Mars. New research supports the idea that Mars owes its small size to its relatively rapid formation.
太阳系内部行星的相对体积(拍自1 - r)：水星、金星、地球和火星。
Eye plates (S. W. L. 3ton) shall be fitted on permanent stanchion top, and suitable numbers on upper deck and inside cargo holds for cargo lashing.
在固定支柱顶部安装眼板（安全工作负荷为3吨），主甲板和货舱也应该安装合适数目的眼板用于货物系固。
B5 as basic medium appended with different concentrations of sucrose, AGAR and different hormone combinations was used to optimize the culture technique for DH line in Brassica napus l.
以B5培养基为基础培养基，添加不同浓度的蔗糖、琼脂及不同激素组合进行试验，对油菜DH系的组培技术进行优化。
The influence of nitrogen on dislocation slip mode is through L, which is moved to higher stain level with the increase of nitrogen content.
随氮含量的增加，瞬变应变被推向更高的水平，这意味着氮原子使位错在更大的应变下才产生多系滑移和交滑移。
The peroxidase and esterase isoenzyme patterns of cytoplasmic male line Shaan 2a and fertile line Shaan 2b in Brassica napus L. were studied.
分析了甘兰型油菜细胞质雄性不育系陕2a与保持系陕2B的酯酶和过氧化物酶同工酶特征。
Microsporogenesis Comparison of Genetic Male Sterility Line and Its Allele Fertile Line in Brassica napus l.
油菜雄性核不育系及其等位可育系小孢子发育过程的比较研究。
The discovery and study of apetalous sterility mutant in Brassica napus l.
甘蓝型油菜无花瓣品系雄蕊雌化不育系的发现和遗传研究。
Objective: to study the effect of L-amino acid oxidase (LAAO) of king cobra venom-induced apoptosis of human palatal Salivary gland of adenoid cystic carcinoma (NACC).
目的：研究眼镜王蛇毒l -氨基酸氧化酶(LAAO)诱导人类腭部小涎腺腺样囊性癌细胞系(NACC)细胞凋亡的作用。
The conditions of isolation and culture of protoplasts from resistant Astragalus cicer L. cell line, Helianthemum Songaricum Schrenk and Zygophyllum xanthoxylum were studied.
对鹰嘴紫云英抗性系、半日花、霸王三种植物进行了原生质体分离和培养条件的研究。
Studies on the morphology of the flowers and cytology of the anther development of a DGCMS line in Brassica napus l.
一个甘蓝型油菜DGCMS雄性不育系的花器形态及细胞学研究。
Objective To establish a limit test of benzene-series residues in the total-saponins of separated and purified by macro reticular resin Panax quinque folium L.
目的建立大孔树脂分离纯化西洋参总皂苷的苯系残留限量检查方法。
There occurs pollen abortion during the stage from tetrad to single nucleus pollen grain of cytoplasmic male-sterile line in Brassica napus Var. oleifera(Raphanus sativus L. ).
甘兰型油菜萝卜细胞质雄性不育系的花粉败育发生在四分体至单核花粉粒阶段。
D. in musicology at Harvard, and since 1973 has taught at Yale University where he is currently the Henry L. and a professor of Music.
克雷格·奈特自1973年就开始在耶鲁大学任教，目前是耶鲁大学音乐系教授。
The statistic result indicated that the dry weight of buds and stamens of male sterile lines in B. napus L. are much smaller than the control group while the pistils are much larger.
结果表明，干物质重量雄性不育系花蕾和雄蕊显著小于保持系，而雌蕊则明显大于保持系。大多数不育系雌雄蕊的发育曲线存在拐点，它们出现拐点的时期相同，但方向完全相反。
This thesis researched some fossil fruits of Trapa L. which were found in the Miocene of second deposition layer of the Shengxian Formation, Ninghai, Zhejiang Province.
本论文研究了从浙江省宁波市宁海县岔路镇第三系嵊县组第二沉积层中采集的多枚菱属植物化石。
A primary investigation is conducted on fruiting habit of 14 improved variety clones of Juglans nigra L.
对美国黑核桃1 4个良种无性系的结果习性进行了初步调查。
A primary investigation is conducted on fruiting habit of 14 improved variety clones of Juglans nigra L.
对美国黑核桃1 4个良种无性系的结果习性进行了初步调查。
应用推荐