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- Index of leaves age,growth yields,cellulose,lignin,pentose and the ratio of cellulose's length of reed in 3 experimental field in Panjin 7th jail region,where la... 石油开发的各种地面工程造成了严重的景观破碎化现象,破坏了湿地的原有生境,是造成湿地生态系统退化和苇田减产的主要因素。
- ratio of leaf age 叶龄率
- The margin of leaf(undulated , no-undulated),the inner leaf (no-screwed, screwed ) were segrated at mendelian ratio of 3:1. 叶缘波纹的有和无,心叶拧向(不拧向与拧向)均符合孟德尔3:1规律遗传。
- But the shape of leaf(rotund, awl-shaped and oval), wax(heavy, middle, light) were not segrated at mendelian ratio of 1:2:1 or 3:1. 但叶形(圆形、圆锥形、卵圆形)和蜡粉(多、中、少)不符合孟德尔1:2:1或3:1的比例。
- Study on photosynthetic production and DMW on Bt-transgenic cotton, showed that the effective leaf area increase significantly, higher efficient leaf area compared with CK, the ratio of leaf DMW and area go up, the NAR increased. 对转基因抗虫棉杂交种的光合生产及干物质分配研究表明,转基因抗虫棉杂交种F1代种有效叶面积显著增多,高效叶面积大,比叶重和净同化率高,群体发展较合理,光合生产率高。
- Like most plant hormones, cytokinins also have other effects, including the prevention of leaf aging, or senescence . 如同大多数植物激素,细胞分裂素很有其他功效,包括阻止叶片老化或衰老。
- The trees with thick cutin layer, high stoma density, thick stockade tissue, high ratio of stockade tissue thickness to sponge tissue thickness, and high sedimentation of leaf tissue structure are of greater drought resistance. 叶片厚度、尤其是角质层的厚度和海绵组织厚度是评价供试含笑抗旱性的重要解剖指标。
- The ratio of students to teachers is 35:1. 学生和老师的比率是三十五比一。
- Phytomass allocation analysis shows that, with delayed sowing date, percent of stem phytomass to total phytomass drops, while the ratio of leaf phytomass to total phytomass increases. 生物量分配研究表明,随播期推迟收获时茎生物量所占比例下降,叶生物量所占比例升高。
- The ratio of schoolboys to schoolgirls is 2 to 1. 男学生和女学生的比例是2比1。
- The changes of leaf ratio of dry to fresh weight in flue-cured tobacco green leaves during the field growth were studied. 田间状况下对烤烟下、中、上三个部位叶片生长发育过程中叶片干鲜比值的变化进行了研究。
- Men outnumber women here in the ratio of three to one. 此地男子数量以三比一超过女子。
- The Effect of Leaf age on Wllt and Yellowing of Pak choi 叶龄对青菜生理的影响
- He was found asleep on a pillow of leaves and moss. 有人看见他枕著树叶和苔藓睡著了。
- He is found asleep on a pillow of leaves and moss. 有人看见他枕着树叶和苔藓睡着了。
- Study on the Rice Fertilizer Practice of Leaf Age Diagnosis 水稻叶龄诊断施肥技术研究
- The streets have been swept free of leaves. 街上的落叶已打扫乾净。
- The results indicate that dry matter increase allocation ratios of leaf and sheathe present fluctuations,and stem curve,and spike line. 茎呈弧线状变化;穗呈线性增长。
- The ratio of a person's mental age to their chronological age. 人的实足年龄和其职能年龄的比率。
- The arrangement of leaves on a stem. 叶序茎上叶子的排列次序
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