英语释义

• (botany) tissue that conducts synthesized food substances (e.g., from leaves) to parts where needed; consists primarily of sieve tubes

片语

phloem protein笋瓜韧皮部蛋白

phloem ganglion韧皮部结

phloem rays韧皮射线

interxylary phloem[植]

internal phloem[植]

intraxylar phloem材内韧皮部

phloem unloading韧皮部卸出

phloem island韧皮岛

phloem element韧皮部分子

英汉例句

• roads, railways, water and gas mains, sewage pipes and electricity cables all move things around. so do the blood vessels of animals and the sap-carrying xylem and phloem of plants.

  他的观点是，在某种程度上二者均由运输物质的网络构成——公路，铁路，水路以及煤气管，污水管还有电缆线都在输送物质，动物血管和植物运输汁液的木质部、韧皮部也是如此。

• result the active component content in phloem was the highest, while, successively, in pith and in xylem.

  结果大黄中的活性成分含量以韧皮部最高，髓部次之，木质部最低。

• the vascular bundle consists of vascular bundle sheath, xylem, phloem and big parenchymatous cells.

  维管束由维管束鞘、木质部、韧皮部和大型薄壁细胞组成。

• the assimilate transports in the phloem by liquid form and the water of the liquid mainly comes from the xylem.

  同化物在韧皮部中以液流形式运输，液流中的水主要来自木质部。

• meanwhile, the appearance of mature xylem cells was about a month later than that of mature phloem cells.

  成熟木质部细胞的出现比成熟的韧皮部细胞要晚约一个月。

• phloem elements and adjacent tissues are the principal feeding sites for most aphids.

  韧皮部及其邻近组织是大多数蚜虫的主要取食部位。

• between primary xylem and primary phloem there are 2—3 layers of parenchymatous cells, regularly or irregularly arranged, but no cambial zone can be recognized.

  初生木质部与初生韧皮部之间可见到2—3层排列规则或不规则的薄壁组织细胞，但是没有维管形成层的发生。

• after the assay of the peroxidase and esterase isoenzymes in the phloem of eight mulberry varieties in rest stage, no relativity is found between the resistance and isoenzymes.

  对处于休眠期的八个品种桑树韧皮部的过氧化酶和酯酶同功酶作了分析，未发现抗病性与同功酶之间有相关性。

• the rest of phloem also produced callus through dedifferentiation. in addition, there was callus from xylem.

  残存的韧皮部也可以脱分化形成愈伤组织，此外，还存在愈伤组织源于木质部的情况。

• compared to low p efficient genotype, high p efficient genotype was lower in phloem sugar translocation rate and r/s ratio.

  磷高效小麦基因型的韧皮部蔗糖运输速率和根冠比低于磷低效小麦基因型；

• in cultivated salvia miltiorrhiza roots light-colored periderm contained less layers of cells and low ratio of phloem to xylem compared with those in wild salvia rniltiorrhiza roots.

  栽培丹参根的周皮细胞层数少、色淡，韧皮部与木质部比值小，而野生丹参根的周皮细胞层数多、颜色重，韧皮部与木质部比值大。

• in the bark of tapped trees, the thickness of the conducting phloem is less than 1 mm.

  在割胶树的树皮中，有输导功能的韧皮部的厚度不超过1毫米。

• the larvae feed on the bark inside and phloem after hatched and discharge the mixture composed with white fiber, brown power and feces to the bark.

  幼虫孵化后取食松树内皮和韧皮部，在树皮外可见白色纤维状或褐色粉末状木屑与粪便的混合物。

• mercury is carried there by the phloem and selectively deposited in it, rather than in the plants' more permanent parts.

  汞通过韧皮部被转运到树皮中，有选择性地在其中沉积，而非在自己不易更新的部位沉积。

• in the transection section, the area of secondary phloem is much larger than secondary xylem.

  在横切面上，次生韧皮部的面积比次生木质部大得多。

• the correlation between the reducing sugar content in phloem and xylem and the ratio of damaged trees was not close.

  不同杨树品系韧皮部和木质部的还原糖含量与被害株率没有相关性。

• a specialized parenchyma cell, located in the phloem of flowering plants and closely associated in development and function with a sieve-tube element.

  一种特殊的软组织细胞，位于开花植物的韧皮部，生长和功能与筛管要素密切联系。

• the photosynthate in phloem transports by liquid form and the water of the liquid mainly comes from the xylem.

  结果表明，同化物在韧皮部中以液流形式运输，液流中的水主要来源于木质部；

• the ultrastructure of the secondary phloem of rhus verniciflua stokes was studies.

  本文叙述了漆树茎次生韧皮部各组成分子的超微结构。

• any of various plants, such as the ferns and seed-bearing plants, in which the phloem transports sugar and the xylem transports water and salts.

  各种植物，如厥类植物和含种子的植物，在此植物中韧皮部输送糖分而木质输送水分和盐分。