查询词典 root-mean-square

The use of desulphurisation product stimulate peanut's root nodule in special way, on the condition that the rate of desulphurisation products reaches 1 percent, 5 percent and 10 percent, the quantity and weighty of root nodule is increased

结果表明，在广东浅海沉积砖红壤上，施用脱硫副产物对盆栽花生出苗、根系及其营养生长、花生花针生长发育等均产生一定的抑制作用；抑制程度与脱硫副产物施用量有关。

Uses the soil bonsai to carry on the root nodule bacteria and the alfalfa highly effectiveparagenesis match experiment, in the simulation production practice the big field soil environment,conducts the research to the root nodule bacteria in soil compatibility.

采用土壤盆栽进行根瘤菌与紫花苜蓿高效共生匹配试验，模拟生产实践中大田的土壤环境，对根瘤菌在土壤中的适应性进行研究。

A part, such as a stem, leaf, or root , removed from a plant to propagate a new plant, as through root ing or grafting.

插条从某一植物上切除一部分并用来繁殖出一棵新植物，如茎、叶或根，通过扎根或嫁接

Under the same eggs inoculation levels,and using such index as root decay,relatively gall index,relatively eggs mass index,shoot height,root length and shoot weight,the pathogenicity for 34 Meloidogyne populations from different areas in 11 provinces in China to the tobacco cultivars K326 and Honghua Dajinyuan were clustered by SAS.

在相同的接种水平下，以烟草品种K326、红花大金元为供试寄主，用SAS软件，对坏死百分率、相对根结指数、相对卵块指数、株高、根长、地上部分重等6个指标进行聚类，分析不同或相似生态条件下，4种常见根结线虫中34个群体的致病性。

The traditional Givens rotation algorithm involves root computation which need more hardware resources, the paper presents a Givens rotation algorithm without root and division computation, combined with the special structure of the input signal matrix, a interference suppression algorithm with low computation is also proposed.

传统Givens旋转算法涉及到平方根运算，这种运算要消耗较多硬件资源或需要多次循环来实现，文中给出一种无平方根与除法运算的Givens旋转算法，并结合信号输入矩阵的特殊结构，给出一种低复杂度的干扰抑制算法。

The root division was affected by the IAA and iPAs, and the adventitious root formation needed the low level of IAA and CTK. Fourthly, the study on the DNA content in callus of different types and concentrations of estrogen treatment can show that nuclide was a standard of changes of Cardiocrinum giganteums cell.

4通过对不同激素种类和浓度处理中愈伤组织核酸含量变化研究，表明核酸可作为大百合形态发生的标志，大百合愈伤组织分化前RNA含量增加，DNA含量下降，愈伤组织内RNA的升高，标志着细胞分化的物质合成。

Objective To investigate the correlation between the extent of cutting of the root canal wall and the root fracture strength and the stress distribution.

目的探讨根管壁切削程度与牙根强度的关系及应力分布的变化规律。

Alice wang: for the root we dont want,cutting leaves is useless,we have to cut root

alice ：对于我们不想要的根，修剪树叶无用，我们不得不除根。

It showed that slightly root cutting can stimulate activity and increase yield for varieties with large root/shoot ratio.

根冠比较小的品种二青矮则在不同程度的断根处理中均为大幅度减产，主要由于每穗粒数和结实率有所下降。

Days later after root cutting, the aboveground biomass of the treatment of root cutting was lower than the check.

收获时在80%田间持水量条件下，谷子生物量提高在1.5-24.7%之间；50%田间持水量时，生物干重降低幅度在2.9-19.0%之间。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。