In order to identify cause of mutagenesis of plant seeds induced by space flight, especially to ascertain the interrelation between space radiation and mutagenesis,a "photograph location" experimental setup was designed in this study.
为了探明植物种子在空间搭载后发生一系列改变的原因,尤其是探寻空间辐射与突变发生的内在关联,设计了"照相定位"实验法,采用CR-39固体核径迹探测器来探测空间重离子,并利用空间重离子径迹与植物种子的相对位置,来确定被重离子击中的种子及其击中部位;同时用LiF热释光片测量种子所受的较低LET空间辐射的剂量。
This modified method could be applied to the selective measurement of β-amylase activity in different plant seeds.
针对3,5-二硝基水杨酸(DNS)法的缺点,以对硝基苯酚麦芽五糖(PNPG5)为底物,建立并改进了植物种子β-淀粉酶活性测定的方法。
Fatty acid metabolism is one of the most important pathways of plant metabolism,fatty acids in plant seeds play various important roles in human foods and industrial manufacture.
介绍了植物种子中脂肪酸代谢的基本途径,论述了应用基因工程改良植物种子油品质的技术策略、存在问题,同时对植物脂肪酸调控基因工程发展提出了展望。
Investigation on the seed plant flora of the wetland along the Yellow River in Lanzhou City;
黄河兰州段湿地种子植物区系研究
Studies on flora diversity of the seed plants in Laoxiancheng Nature Reserve,Zhouzhi,Shaanxi;
陕西周至老县城自然保护区种子植物区系研究
Study on the seed plant flora of Techeng Isle;
特呈岛种子植物区系研究
Study on the Phytogeography of Yibicuo Swamp-wetland in Sichuan:Spermatophyte Floristic Geography;
四川亿比措湿地植物地理研究—种子植物区系地理
Study on the spermatophyte flora in Ertan Reservoir and surrounding regions;
二滩库区及周边地区的种子植物区系研究
Floristic analysis of desert spermatophyte families in Gansu Province;
甘肃省荒漠种子植物科的区系分析
A List of Seed plants in Laoling Nature Reserve;
老岭(祖山)自然保护区种子植物名录
Endemic genera of Chinese seed plants in Jinfo Mountains Nature Reserve;
金佛山自然保护区中国种子植物特有属
Species diversity and floristic characteristics of seed plants in the middle-upper reaches of the Bailong River;
白龙江中上游林区种子植物物种多样性与区系特征
New distribution record of spermatophyta in Henan;
河南种子植物区系分布新记录
Some New Recorded Plants of Spermatophyta in Henan Province;
河南省种子植物分布新记录
A plant whose seed contains more than two cotyledons.
多子叶植物种子含有两片以上子叶的一种植物
plants having seeds in a closed ovary.
种子由子房包被的植物。
Addenda on seed plants of Qinling Mountains--Gymnospermae and Monocotyledonae of Angiospermae
秦岭种子植物补遗——裸子植物门和被子植物门的单子叶植物
A plant that produces seeds.
显花植物一种产生种子的植物
Plants develop from seeds.
植物由种子发育而成。
a genus of dicotyledonous plants.
一种双子叶属的植物。
round flat seed of the lentil plant.
小扁豆植物的圆平种子。
The flower of this plant.
大桅子花这种植物的花
Most plants reproduce by seeds.
多数植物靠种子繁殖。
Most plants reproduce by seed.
大多数植物靠种子繁殖。
A plant grows up from a seed.
植物是从种子长成的。
The seed ferns included treelike forms.
种子蕨类植物包括树状类型的植物。
Their Genera Plantarun dealt only with seed-plants.
他们的《植物属志》只涉及到种子植物。
Any of several plants, such as knotgrass, producing numerous seeds.
多子植物一种植物，如两耳草，可产生许多种子
A plant whose ovules are enclosed in an ovary;a flowering plant.
被子植物一种胚珠被包在子房里的植物；一种开花植物
Gymnosperm A general term for any seed plant except the angiosperms, characterized by bearing naked seeds.
裸子植物：被子植物以外的种子植物统称裸子植物，以种子裸露为特征。
These plants belong to 28 families and 42 genera and include 5 species of pteridophyte,10 species of gymnospermae and 35 species of angiospetmae.
这50种植物分属28科42属,其中蕨类植物5种,裸子植物10种,被子植物35种。
These plants belong respectively to 12 families and 13 genera,including 2 species of pteridophytes,1 species of gymnospermae and 10 species of angiospetmae.
这13种植物分属12科,13属,其中蕨类植物2种,裸子植物1种,被子植物10种;