bract

1. At the end of February, the bract attained approximately their full size, and a pair of anatropous ovules were initiated on the adaxial surface at the base of the fertile ovuliferous scale.
   2月底，苞片体积不再发生变化，珠鳞膨大端的基部的近轴面分化出2个倒生胚珠。
2. We previously reported that SUPERNUMERARY BRACT ( SNB) regulates the transition of spikelet meristems into floral meristems in rice.
   我们之前已经报道过SNB（多颖壳）基因，它调控着水稻小穗分生组织向花分生组织的转变。
3. Detection of Banana bract mosaic virus by real-time fluorescent RT-PCR
   实时荧光RT-PCR检测香蕉苞片花叶病毒方法的建立
4. Any of various deciduous shade trees of the genus Tilia having heart-shaped leaves, drooping cymose clusters of yellowish, often fragrant flowers, and peduncles united into a large lingulate bract.
   椴树一种落叶遮荫树木椴树属，长有心形叶，浅黄色聚伞状下垂花序，通常花朵芳香，花梗下端有巨大舌状苞片。
5. In the early december, the first bract primordium was formed in the axil scale at the cone base, then bract initiation had occurred in acropetal direction.
   12月初，最初的苞片原基在雌球果原基的鳞片的叶腋处产生，之后其由基部向顶部连续发生。
6. Bract scale The structure found in large numbers in the female cone of gymnosperms, each bearing an ovuliferous scale in its axil.
   苞鳞：在裸子植物的雌球果中大量存在的结构，每个苞鳞都包含一个珠鳞。
7. Pertaining to or resembling or functioning as a bract.
   关于、类似于苞叶，或具有苞叶的功能。
8. Effect of Corn Bract on the Level of NO, ET and Apoptosis of Endothelial Cells
   玉米苞叶煎剂对高脂大鼠血清NOET水平及内皮凋亡的作用
9. Corn bract reduces the leukocyte apoptosis and CD_ ( 44) expression in rabbits with atherosclerosis
   玉米苞叶降低动脉硬化家兔白细胞凋亡及CD（44）表达
10. Cloning and Analyzing of Bract Differentially Expressed Genes of Davidia Involucrata Baill
    珍稀濒危植物珙桐（Davidiainvolucrata）苞片差异表达基因的克隆与分析
11. Blue and yellow could decreased the ornamental value of flower, the former could decreased the content of cyaniding and the later could decreased flower diameter, bract area, content of cyanidin all.
    蓝光和黄光则降低花头的观赏品质，前者使花青素含量降低，后者则使花径、苞叶面积、花青素含量都降低。
12. Conclusion: Replenishing the trace elements such as zinc, iron, calcium and chrome, the immune ability and the resistance to the infection of respiratory bract could be strengthened.
    结果：补充微量元素锌、铁、钙、铬可以增强机体免疫力及呼吸道抗感染的能力。
13. In Calocedrus and Platycladus, only a single series of inverted vascular bundles were generated in the adaxial side of the bract scale;
    在苞鳞中只形成一组倒转的维管束，如侧柏属和翠柏属；
14. Bract-scale and seed-scale complex theory and a new evolutionary model of reproductive organs of seed plants
    苞鳞-种鳞复合体理论和种子植物生殖器官演化模型
15. Red light could increase the ornamental value of flower, flower diameter, bract area, content of cyanidin were all increased.
    红光能提高花头的观赏品质，使花径、苞叶面积、花青素含量增加；
16. Genetic Analysis of Ear Bract Characters in Maize
    玉米果穗苞叶性状的遗传分析
17. The Effects of Corn Bract Decotion on Endothelin and Prostacyclin and Morphology of Atherosclerosis in Rabbits
    玉米苞叶煎剂对动脉粥样硬化家兔血清内皮素、前列环素及病理形态学影响
18. The germination temperature for seeds with bract was 10~ 30 ℃;
    其带苞片种子适宜的发芽温度为10~30℃；
19. The soluble total sugar and sucrose content in petal, bract and nectary of male sterile line are significantly higher than in those of restorer, maintainer and hybrid F 1, but the difference of fructose content among them is not noticeable.
    结果表明：不育系花瓣、苞叶、蜜腺的可溶性总糖和蔗糖含量比可育的恢复系、保持系和F1高，并达到显著或极显著水平，而果糖含量的差异不明显。
20. The duration of bract primordium phase, sepal primordium phase and petal primordium phase were longer than it in Heze.
    同时，其苞片原基、萼片原基、花瓣原基的分化持续时间比同花型的品种在菏泽地区的持续时间要长。
21. Proper applying phosphate could increase yield and single bract weight of sweet maize and the overall trend was that the effect to the P inefficient varieties was obviously higher than the P efficient varieties.
    适当的施磷能够提高甜玉米的产量和单苞重，总体趋势是对磷低效甜玉米品种的影响大于磷高效甜玉米品种。
22. It has long been believed that plant bract is one kind of metamorphism of or evolved directly from leaf.
    一般认为，苞片是叶片的变态或自叶片演化而来。
23. In later June, stamen primodium was differentiated in the bract of male inflorescence and the differentiation of bract was generated in female inflorescence.
    6月中下旬，雄花序苞片上分化出雄蕊原基，雌花序分化出苞片。
24. Later on, the bract and the 2 bracteoles primordial grow into triangular form and become recurved subsequently.
    苞片原基稍后生长为三角状，此时2枚小苞片原基亦发育为三角状，随后苞片原基和小苞片原基迅速生长并向内弯折。
25. The bract primordial is occur firstly on the male flower primordial, which locate on the abaxial of the flower primordial and have oval form.
    在雄花原基上首先发生的是苞片原基，位于花原基的远轴端，半球形状。
26. Bt toxin protein were significantly different in the different floral organs, that is, petal flower ovary bract, and the Bt toxin protein in the bracts was far below the petals and other floral organs.
    不同花器官中Bt毒蛋白含量有明显差异，表现为花瓣花蕊子房苞片，其中苞片中Bt毒蛋白含量远远低于花瓣等其它花器官。
27. HPCE fingerprints of whole grass and flower, bract, leaf, stem were established, which were evaluated by systematic quantified fingerprint method. The contents of chlorogenic acid and rutin were determined simultaneously by internal standard method.
    建立雪莲全草及药材不同部位的HPCE指纹图谱，采用系统指纹定量法对其进行评价，用内标法同时测定了其中芦丁和绿原酸的含量。

noun

1. a modified leaf or leaflike part just below and protecting an inflorescence