您要查找的是不是:
- Water is held so tenaciously that most plant root systems cannot absorb it. 水被牢牢地吸住以至于不能被大多数植物根系吸收。
- They digs in moist soil and feeds on plant roots. 它们在潮湿的泥土中钻洞,吃植物的根部。
- At early days,Cd2+ inhibited plant root length,and inhibiting to root is larger than to seeding. 在处理初期;镉对根长的影响就表现为抑制效应;并且Cd2+对幼苗根长的影响比苗长的影响显著得多.
- Schiefelbein J W, Benfy P N.The development of plant root: New approaches to underground problem [J]. 李海波吴平等.;低磷胁迫对水稻苗期侧根生长及养分吸收的影响[J]
- It can drive the functional gene to be specifically expressed and preferably expressed in plant root. 所述启动子可以驱动功能基因在植物根内特异性表达和优先表达。
- Plant root water uptake is an important part of the research on water transforming patterns in SPAC. 植物根系吸水过程是SPAC系统中水分运移规律研究的重要内容。
- The picture show how the plant roots go deep into the soil. 这张照片显示植物的根是如何深入到土壤里去的.
- Methods: Sister chromatid exchange(SCE) freqency was determined in human lymphocytes and plant root tip cells after treatments with pesticides. 方法 :测定蚕豆、大麦根尖细胞和人外周血淋巴细胞姐妹染色单体交换 (SCE)率。
- Mud gravel is often found in the base of distributary channel sediment,plant root and lignite often develop in the swamp sediment. 三角洲平原分流河道沉积底部泥砾较发育,沼泽沉积中发育植物根和褐煤沉积;
- Arbuscular mycorrhiza was the reciprocal symbiont of AM fungi and plant root that was widely distributed in each ecosystem. 摘要丛枝菌根是AM真菌与植物根系所建立的互惠共生体,遍布各生态系统。
- Methods : Sister-chromatid exchange ( SCE) f reqency was determined in human lymphocytes and plant root tip cells after treatment s with pesticides. 方法:测定蚕豆、大麦根尖细胞和人外周血淋巴细胞姐妹染色单体交换(SCE)率。
- The pesticidal activities were examined and some of themhave been found to be effective in promoting the growth of plant root. 生测结果表明,其中的一些具有良好的促进植物生根的活性。
- Some plants root easily. 有些植物容易生根成长。
- Since plant root shape is very not reg ulation, it is very difficult for plant study worker to measure plant root, espe cially to measure absorbing surface area of plant root. 但植物根的形状很不规则,对其形状的几何测量对植物研究工作者来说,一直是一件十分困难的工作,特别是根吸收表面积的测量。
- A plant root specific expression promotor sequence, and the recombinant nucleic acid sequence, configurator and expression system, which containing said promotor are disclosed. 本发明提供了一个植物根特异性表达启动子序列,含有该启动子的重组核酸序列,构建体和表达系统。
- Root pressure The pressure that may build up in a plant root system due to the root cells, which is thought to help force water upward in the xylem vessels. 根压:由于根渗透势而形成的植物根内压力,可以帮助水分在木质部中的上升,这一作用可通过切断茎,水从切口渗出的现象得到证实。
- The plant was growing at an angle. 植物呈一定角度生长。
- Collection and analysis methods of plant root exudates as well as the factors influ-encing the secretion of root exduates and the composition of exudates are summarized. 概述了根系分泌物的产生、收集与分析方法及其影响因素和根系分泌物组分。
- The main work in this paper is listed as follow: (1) Analyses some traditional skeletonization methods,then extract the plant root skeleton with these methods. 利用人机交互手段和样条算法将骨架点连接成光滑曲线构成根系骨架曲线,该方法方便实用,而且很鲁棒;
- The gardener tore up the plant, root and all. 园丁把园中的花草树木连根全挖了出来。