英语释义

1. the terminal portion of a root or root branch usually including the root cap and the meristematic region behind it and often the regions of differentiation, elongation, and root hair formation

片语

root-tip cells根尖细胞的

root-tip culture根尖培养

root-tip pick根尖挺

root-tip cutting剪根

root and tip loss factor叶端损失系数

root-tip cell根尖细胞

Root-tip meristem根尖分生组织

root-tip meristematic根端分生组织

英汉例句

• the micronucleus test (mcnt)on root tip cells of vicia faba was used to monitor the micronucleus effects of refuse leachate.

  利用蚕豆根尖细胞微核测定技术对垃圾渗滤液的微核效应进行了监测。

• the genotoxicity effects of pcp on crops and animals were also studied using the micronucleus test with root tip cells of wheat and the comet assay with eisenia fetida.

  并运用小麦根尖细胞微核实验和赤子爱胜蚓体细胞核的彗星实验，检测了五氯苯酚的遗传毒性效应。

• the chromosome numbers of 5 species were counted by root tip squash method, and karyotypes of 3 species of them were analyzed.

  本文采取常规根尖压片法对5种干旱区野生观赏植物进行了染色体数目统计，并对其中的3种进行了核型分析。

• abstract : objective: to explore the influence on micro leakage from root tip and tooth root「s bending strength by different combinations of root canal preparation and filling technology.

  摘要 【摘要】 目的探讨几种根管预备方法和充填技术组合对根尖微渗漏和牙根抗折强度的影响。

• the analytical results of water quality was consistent with the results of the monitoring water pollution using vicia faba root tip cell micronucleus.

  以蚕豆根尖细胞微核率为指标，监测滇池水质污染的结果与水质测定结果是一致的。

• these proved mucilage could protect root tip from al injury.

  表明铝胁迫时粘胶层具有保护根尖的作用。

• background and aim: we studied the mutation effects of sodium sulfite and sodium nitrite in root tip cells of vicia faba .

  背景与目的：研究亚硫酸钠和亚硝酸钠对蚕豆根尖细胞的致突变作用。

• in this thesis, the chromosomes of the root tip meristematic cells of common wheat were treated by histochemistry methods to understand the reality and chemical nature of chromosome scaffold.

  本文应用细胞化学方法对小麦根尖分生组织细胞的染色体进行原位处理，对染色体骨架存在的真实性和化学本质进行了探讨；

• this paper studied the aberrant effects of liquid soap on the root tip cells of vicia faba.

  以蚕豆根尖为材料，研究洗手液对蚕豆根尖细胞的致畸效应。

• anatomical structures of actaearoot: root tip is consisted of initial cells of calyptrogen, periblem and plerome;

  形态结构类叶升麻根尖由根冠和顶端分生组织构成；

• molina: onion root tip cells… that」s what「s on your slides right now.

  莫利纳：现在你们显微镜的载物玻璃片上的是…洋葱根尖细胞。

• there has been some abnormal phenomenon of root tip cells such as micronuclei, chromosome bridge, chromosome break, chromosome lag, chromosome conglutination and three pole divide.

  在加拿大飞蓬水浸提液的作用下，蚕豆根尖细胞出现微核、染色体桥、染色体断裂、染色体滞后、染色体粘连及三极分裂等异常现象。

• al induced peanut root tip mitochondria generating reactive oxygen species(ros), resulting in lipid peroxidation, it was more serious in r1549 than in lh11.

  铝能诱导花生根尖线粒体产生活性氧，导致膜脂过氧化，r1549较lh11严重。

• by using various concentration of ems and different treating time, the root tip of pisum sativum could be used pollution monitor.

  本文通过不同浓度的甲基磺酸乙脂（ems）对豌豆根尖细胞微核的诱导，结果表明，豌豆根尖用作检测诱变剂是可行的。

• the function of root tip is related to transport, unloading and distribution of auxin in roots.

  根尖功能与生长素运输、根尖的卸载及根中的分布有密切关系。

• object: to approach the reliability of high-frequency current acting upon the devitalization of dental pulp , the safety and clinical effect for peripheral tissues of root tip .

  目的：探讨高频电流对牙髓失活作用的可靠性、对根尖周围组织的安全性及临床疗效。

• once ultraviolet radiation couldn」t induce the doubling of chromosome in root tip cell and couldn't reduce the minimum effective induction concentration of colchicine.

  单纯的紫外辐射不能诱导根尖膨大细胞加倍，不能降低秋水仙素的最低有效诱导浓度。

• aim:to study the effects of cordyceps polysaccharide on micronucleus of vicia faba root tip cells caused by mitomycin-c(mmc).

  目的：研究虫草多糖对丝裂霉素诱发的蚕豆根尖细胞微核的影响。

• method: the study is conducted through the micronucleus experiment of root tip cell of fava.

  方法：采用蚕豆根尖细胞微核实验法。

• methods:sister-chromatid exchange (sce) was used in human lymphocytes and plant root tip cells.

  方法：人外周血淋巴细胞和植物根尖细胞sce。

• sucrose was better than glucose and maltose as the carbon sources, and 3% sucrose was best for root tip growth of f. mandshurica.

  蔗糖作为碳源的效果较果糖和麦芽糖好，其中以3%的蔗糖对离体根尖的生长效果最好；

• it also indicated that the root tip in the zone of elongation and the junctions between the primary and the lateral roots were the two sites for the bacteria entry into rice root.

  实验揭示了标记菌侵入水稻根的两个位点为：根尖（伸长区）以及初生根和次生根的交联处。