leaf 叶(14023) 叶片(8482) 叶的(727)   叶      Molecular Markers for Lr37, Lr44 Based on AFLP and Detection of Wheat Leaf Rust Resistance Genes in 124 Wheat Cultivars (Lines)      Lr37、Lr44AFLP分子标记及124个小麦品种（系）抗叶锈基因鉴定 短句来源      Molecular Mechanism of Pathogenicity of Tomato Yellow Leaf Curl China Virus and Viral Satellite DNA Induced Gene Silencing      中国番茄黄化曲叶病毒（TYLCCNV）致病分子机理及其卫星DNA诱导的基因沉默研究 短句来源      Genetic Analysis and Fine Mapping Genes Associated with Leaf Rolling in Rice      水稻卷叶性状的遗传分析及卷叶基因的精细定位 短句来源      Isolation and Identification of Promoters from Tomato Yellow Leaf Curl China Virus and Its Associated Satellite DNA      中国番茄黄化曲叶病毒（TYLCCNV）及其卫星DNA的启动子鉴定 短句来源      Molecular Mechanism Involved in Gene Regulation of Leaf Curvature      叶卷曲基因调控机制的研究 短句来源 更多          叶片      Study on the Wheat Transformation with Leaf Senescence-Inhibition Gene P_(SAG12)-IPT      叶片衰老抑制基因P_（SAG12）-ITP转化小麦的研究 短句来源      Identification of Endopeptidase Isoenzymes and Degradation of Rubisco during Wheat Leaf Senescence      小麦叶片衰老过程中内肽酶同工酶变化和特性及Rubisco降解的研究 短句来源      Improvements on the Methods of Plant RNA Isolation and Northern Blot Analysis, and Effects of Plastid Signal on Nuclear Gene Expression as Well as Leaf Morphogenesis      植物RNA分离与Northern杂交方法的改进及质体信号对核基因表达和叶片形态建成的影响 短句来源      Responses of Sexual Reproduction Pattern and Leaf Traits of Arabidopsis Thaliana to Elevated CO_2      拟南芥有性生殖模式和叶片特性对大气CO_2浓度变化的响应 短句来源      STUDIES ON THE MECHANISM OF RETARDING LEAF SENESCENCE BY 6-BENZYLAMINOPURINE IN WHEAT SEEDLINGS      6-苄氨基嘌呤延缓小麦叶片衰老机制的研究 短句来源 更多          叶的      The results were as follows: 0 mm treatment had the lowest N, P, K content of +1 leaf, 60 mm treatment's was the highest, 40 mm treatment's was high, 20 mm treatment's was low.      试验结果表明:0mm/旬处理+1叶的全N、全P、全K含量最低,60mm/旬处理的最高,40mm/旬处理的较高,20mm/旬处理的较低; 短句来源      The regresion equations for biomass of the bole and leaf of Lespedeza formosana are log W_(bole)=1.64209+0.92413 log D~2H and log W_(leaf)=1.46161+0.72908 log D~2H, respectively.      估测胡枝子杆和叶的生物量的回归方程分别是logW_杆=1.64209+0.92413logD~2H和logW_叶=1.46161+0.72908log D~2H。 短句来源      The results show that water content was almost 500.1～521.7 g/kg of all tree in Rhus typhina artificial forest under different site types,water content of roots was almost 541.4～585.5 g/kg,water content of leaf was almost 548.3～591.7 g/kg,water content of stem was the lowest,almost 410.2～419.7 g/kg;      结果表明,各立地类型火炬树全株平均含水率为500.1～521.7g/kg,根的平均含水率为541.4～585.5g/kg,叶的平均含水率为548.3～591.7g/kg,茎枝的平均含水率最低,为410.2～419.7g/kg; 短句来源      ④ Average water rate of stem branch and leaf was 46.05% ,57.87% and 60.10%,respectively,the stem was the least and the leaf was the mostly.      秆、枝、叶的平均含水率分别为46.05%、57.87%和60.10%,以秆最少,叶最多。 短句来源      The essential oils yields : dry leaf (2.515±0.044)%, dry stem (0.205±0.018)% and dry whole plant (1.535±0.035)%.      结果表明:石荠艹宁干叶的精油含量为(2.515±0.044)%,石荠艹宁干茎的精油含量为(0.205±0.018)%,石荠艹宁干全草的精油含量为(1.535±0.035)%. 短句来源 更多          “leaf”译为未确定词的双语例句      Biological Polymorphism and Physiological Differentiation Mechanism of Cercospora Zeae-maydis in Gray Leaf Spot of Maize      玉米灰斑病菌（Cercospora zeae-maydis）生物学多态性与生理分化机理研究 短句来源      Research on the Calculation Model of Automobile Leaf Spring      汽车钢板弹簧计算模型研究 短句来源      The Research on Habitat Selection, Utilization and Feeding Biology of White-headed Leaf Monkey (Presbytis Leucocephalus)      白头叶猴（Presbytis leucocephalus）对栖息地选择利用与觅食生物学 短句来源      Primary Study on Molecular Mechanism Controlling Compound Leaf Development in Lotus Japonicus      百脉根复叶发育分子机制的初步研究 短句来源      Physiological Differentiation and Molecular Biology of Curvularia Lunata in Maize Leaf Spot      玉米弯孢叶斑病菌生理分化及分子生物学研究 短句来源 更多        查询“leaf”译词为用户自定义的双语例句     我想查看译文中含有：的双语例句 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法，我们为您准备了出自英文原文的大量英语例句，供您参考。   leaf Berberine taken for the cytotoxic evaluatin was obtained through cell suspension cultures established from young green leaf segments. 例句来源       Bean plants were necrotic and chlorotic, with leaf malformations, following 10-2 M treatments. 例句来源       Results indicated that the leaf area, stem and leaf biomass, and caliper of seedlings of all four poplar clones increased with the decrease in cutting density. 例句来源       Leaf area index reached its highest level at the spacing of 40 cm×40 cm, while the aboveground biomass of the seedling on an area basis increased as the cutting density increased. 例句来源       SOD and POD activities declined correspondingly, followed by significant increases of MDA and MP, and leaf injury was finally observed. 例句来源       更多                    A.The Soils Since the goological formation of this mountainous area is quite uniform,a vertical distribution of soils is obviously observed. At the top of the mountain with an elevation of 8,500 feet,the podzolic soil is found. The process of podzolization is clearly shown by the translocation of clays,organic matter, and active aluminum from an upper to lower layer.The gray brown podzolic soil is distributed in areas ranging from 7,000 to 8,500 feet in elevation.It is developed under forest and has ...             1945年10月中旬,作者留印三月另一周,曾作三次野外调查,计包括印缅边区、恒河平原及喜马拉雅山东南麓等三区,茲先将大吉岭区调查结果,草成此文。调查区域大吉岭位于喜马拉雅山东南麓,在我国西藏边境,全区是山地,海拔自1000到9000尺不等,主为酸性的片麻岩地层,在拔海6500尺地点,年平均气温为56.3℉.,年雨量为122寸。土壤灰壤——灰棕壤组合:在拔海8500尺左右的山顶,灰壤见于草地上,而灰棕壤则发育在森林之下。灰棕壤——灰化黄壤组合:在拔海7000—8000尺地带,森林下仍是灰棕壤,而草地上则为灰化黄壤。灰化黄壤——粗骨土组合:在拔海1000—3000尺地带,片麻岩生成灰化红壤,酸性砂岩生成砾质土。全区土壤特征可归纳如下: (1)土壤 pH 值:全区因土壤母质为酸性片麻岩,各类土壤剖面亦为酸性反应;pH 值约自4.0至5.5。A_1层之 pH 值恒较 B 层为大,而土壤剖面内之 A 层及 B 层均较母岩之酸度为高。 (2)土壤有机质:从土壤有机质分析结果观之,显示植物种类对于土壤有机质之含量高低,有密切的关系,在拔海8500尺之地带,发育于森林下的灰棕壤,表土含有机质38.92%,而同处草类和蕨类植物... 文摘来源          The injurious insects of cotton of this province, however, have not hithertobeen carefully studied, especially the pink bollworm, which annually reducesthe cotton production by 10 to 30 per cent. The present authors spent twoyears in observing the life history and habits of this insect, in attempting tofind some effective control measures. The result is herewith summarized :- 1. In the vicinity of Wu-chang, the pink bollworm has three generationsa year. The first generation occupies May and July. The second...             红铃虫在南方棉区为害棉花相当严重,除去脱落蕾铃外,僵黄花率为10—30％,我们针对这个严重问题,进行了红铃虫生活史的观察研究与防治方法试验,写出初步结果,提供防治参考。 1.红铃虫在华中武昌棉区一年有三代。第一代羽化在5至6月,7月中旬为第二代;8月下旬为第三代;第一代的蛹和幼虫所需时期均较第二、三代长。 2.成虫白天不活动,夜晚7时以后无风天气活跃最盛,产卵以在青铃上及花萼上为最多。孵化后三十多分钟即钻入棉桃内为害,4天即侵入棉籽内取食,10天棉瓤纤维呈僵黄状,半月后幼虫即可老熟(第三代的)。 3.田间防治红铃虫以10％滴滴涕硫磺粉喷三次效果显著,在后期棉虫严重地区可结合防治叶跳虫卷叶虫等同时进行。 4.籽花内的幼虫在群众家里及晒花时逃出84％,因此指导群众将籽花堆上加覆盖物,再结合帘架晒花是消减过冬红铃虫最经济有效的办法。 4.防治仓库越冬红铃虫以50％可混性滴滴涕1:30倍水溶液杀虫效果最佳。30天内死亡率达91％.6.5％可混性666(1:20)死亡率为63％。但是1:100倍的水溶液杀卵效率高到99.4％。稀释万分之一的E605为97.7％。50％可混性滴滴涕1:100杀卵率为64.2％,砒酸铃最差... 文摘来源          The present paper gives a report on the observations of the citrus psylla, Diaphorina citri Kuwayama, found in Focchow and Changchow of Fukien Province. The insect has been reported as an important citrus pest in south-eastern Asia, and is heretofore recorded from Kwangtung by Hoffmann (1936) and from Taiwan by Shiraki (1934). The citrus psylla attacks l3 species of plants of the family Rutaceae. Eggs are laid on the leaves of the young growth. The feeding of both the nymphs and adults on foliage of the ne...             柑桔木虫分布于亚洲东南的热带和亚热带地区,为害芸香科植物,是柑桔类主要害虫之一。国内除台湾、广东外,其他各地尚无报告。现知福建的福州、漳州也都有,本文系在福州观察的记述。成虫栖息取食常在芽和叶里的叶脉上。产卵于嫩芽,若虫孵化后就在新梢为害。被害叶芽枯干,枝梢萎缩,新叶畸形卷曲。生活史尚待详细研究,但根据一年来的初步观察,一年到头都可以找到各个虫期;自四月以后为害渐见严重,至九、十月则逐渐减少。夏季完成一个世代约需十六天。冬季多以成虫密集叶里,但无休眠迹象。育得跳小蜂科寄生蜂三种,九月至十一月若虫被寄生者甚多。本文对于柑桔木虫各期形态有简略的叙述。 文摘来源   << 更多相关文摘         相关查询: isolateral leaf impressed leaf incised leaf insectivorous leaf imbricate leaf lace leaf leaf actuator leaf agitator leaf architecture leaf bite leaf blister foliage leaf  对查询结果不满意

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