The number of chromosomes in the root tip cells was observed.
对主栽品种的根尖细胞染色体数进行了观察；
It suggests that RE-MECF may damage DNA in root -tip cells of maize in some degree.
实验结果表明：RE - MECF对玉米根尖细胞DNA具有一定的损伤作用。
Thus, copper acetic acid had systematical teratogenic effects on Vicia faba root tip cells.
因此，乙酸铜对蚕豆根尖细胞具有明显的致畸效应。
MATRAIAL AND METHODS: Using the micronucleus test technique with Vicia faba leaves tip cells.
材料与方法：应用蚕豆叶尖细胞微核技术。
Methods:Sister chromatid exchange(SCE) was sued in human lymphocytes and plant root tip cells.
方法：蚕豆、大麦和人外周淋巴细胞姐妹染色单体交换（SCE）。
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。
The mutagenicity of drinking water in s city has been analysed by micronucleus test in Vicia faba root tip cells.
本文应用蚕豆根尖细胞微核试验分析了S市次用水的致突性。
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。
Uitrastructural changes of nuclei during the development of onion (A. cepa L. ) root tip cells have been observed by TEM.
用透射电镜观察了洋葱根尖细胞核在发育过程中的变化。
The genetic toxicity and pollution effects of potassium chlorate on Vicia faba root tip cells were studied by means of VAMCN.
利用蚕豆根尖微核技术研究了氯酸钾细胞遗传毒性和污染效应。
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。
The molecular mechanism for chromosomal aberration and micronuclei induced by holmium ions was most probably DNA breakage to root-tip cells of vicia faba.
钬离子诱导蚕豆根尖细胞染色体畸变和微核产生的分子机制主要为DNA断裂作用。
This paper reports the results of water pollutional detection of Kuihe River in Xuzhou city using micronucleus test technique of vicia faba root tip cells.
使用蚕豆根尖细胞微核技术监测奎河徐州市区段水质污染状况。
Effects of 1, 2, 4-trichlorobenzene (TCB) stress on seedling growth, cell division and chromosomal aberration frequency of root-tip cells of Vicia faba were studied.
研究了1,2,4三氯苯(TCB)对蚕豆幼苗生长、根尖细胞分裂及染色体畸变的影响。
Effects on mitosis and chromosomal aberrations of tobacco root tip cells were observed by the method of artificially inducing para-nodule treated with 2, 4-d and rhizobium.
通过人工诱导烟草结瘤的方法，观察给予2,4 - D、根瘤菌后，其对烟草根尖细胞有丝分裂和染色体畸变的影响。
The chromosomes in root tip cells of Trifoliate orange(Poncirus trifoliata Raf. )and Ichang papeda(Citrus ichangensis Swingle)were observed by enzymic maceration technique.
用酶解法观察了枳和宜昌橙根尖细胞的染色体。
The technique used is micronucleus in root tip cells of Vicia faba . The experiment statistical result shows that both the rare earth compound fertilizer and the three kinds of…
结果表明，稀土复合肥和三种稀土元素均可诱发微核效应，在一定浓度下可损伤细胞，影响根尖的正常生长，其中稀土复合肥的微核效应表现出明显的剂量-效应关系。
The number of nuclei in stipe cells almost doubled during early fruiting development and increased to a mean of 10.1-10.3 in the middle and tip cells during rapid stipe elongation.
当子实体发育之早期菌柄细胞总是变倍的，快速生长期之菌柄中间和顶端细胞的平均数是10．1-10．3。
With different concentrations of sewage and aluminum sulfate as a mutagen, pea root tip cells in the mitotic index, micro-rate and the rate of chromosomal aberrations are determined.
以不同浓度的污水和硫酸铝作为诱变剂，测定豌豆根尖细胞的有丝分裂指数、微核率和染色体畸变率。
With different concentrations of sewage and aluminum sulfate as a mutagen, pea root tip cells in the mitotic index, micro-rate and the rate of chromosomal aberrations are determined.
利用蚕豆根尖微核技术研究农药乙蒜素和细菌溴腈对蚕豆根尖细胞的遗传损伤，测定蚕豆根尖细胞的微核率、有丝分裂指数和染色体畸变率。
It was demonstrated that the cell cycle indexes were decreased as long as the concentrations of SNP were increased after collecting the cell division phase of the primary root-tip cells;
对SNP处理的水稻初生根根尖细胞进行细胞分裂相统计，结果表明：随SNP浓度的增大，细胞分裂指数呈下降趋势；
Effect of herbal medicines such as Radix Astragali on mutagenic micronucleus rate in Vicia Faba root-tip cells was observed for the selection of anti-tumor and anti-mutagenesis herbal medicines.
观察黄芪等中草药对蚕豆根尖细胞诱变微核率的影响，筛选具有抗肿瘤、抗诱变作用的中药。
About weeks after pollination, the tip cells of nucellus broke and secreted liquid into ovular canal, which promoted pollen movement to the nucellus and played important role for pollen germination.
传粉后约周，珠心顶端破裂，分泌物进入珠孔道，并与珠被分泌物共同作用于花粉，使花粉向珠心移动。
About 4 weeks after pollination, the tip cells of nucellus broke and secreted liquid into ovular canal, which promoted pollen movement to the nucellus and played important role for pollen germination.
传粉后约4周，珠心顶端破裂，分泌物进入珠孔道，并与珠被分泌物共同作用于花粉，使花粉向珠心移动。
They found that salamander regeneration begins when a clump of cells called blastema forms at the tip of a lost limb.
他们发现，蝾螈再生是从一团被称为芽基的细胞在断肢顶端形成的时候开始的。
They found that salamander regeneration begins when a clump of cells called a blastema forms at the tip of a lost limb.
他们发现，蝾螈再生是从一团被称为芽基的细胞在断肢顶端形成的时候开始的。
They found that salamander regeneration begins when a clump of cells called a blastema forms at the tip of a lost limb.
他们发现，蝾螈再生是从一团被称为芽基的细胞在断肢顶端形成的时候开始的。
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