root length

The average tap root length of Pinus flexilis from germplasm source 1 and 2 were 19.1 cm and 14.8 cm, longer than that of native species. Experiments showed that germplasm source 2 was better than germplasm source 1 in growth indexes.

柔枝松种源1和2主根平均长度分别达到了19.1cm1、4.8cm，均长于乡土树种，两个柔枝松种源之间相比，种源2优于种源1。

The results showed that the soil drought stress lengthened root length, decreased the dry biomass of root and stalk and the growth value of basal diameter and stalk height.

对高CO2浓度和土壤干旱胁迫响应的研究结果表明：干旱胁迫可使杨柴根系伸长，根生物量、地径、主茎高和茎生物量下降；

From the mature to the winter period, clone component of its surface area of root, root radius, root volume, root length, such as increasing trend in both.

从成熟期到越冬期，其无性系构件的根表面积、根半径、根体积、根长等都呈持续增加趋势。

The results were following: ① Lower concentration ( 0.01 g/ mL) of hot pepper plant aqueous extract has strong stimulating effect on the seed germination rate, germination index, seedling root length and shoot length of Chinese cabbage and lettuce;

结果表明：①低浓度（0.01g/mL）的辣椒水浸提液对生菜和大白菜种子发芽率、发芽指数、幼苗根长和苗长均表现为促进作用；

Compared with the control patula and zinnia root length decreased by 66.2%, 55.1%, down 85.2% Rudbeckia hirta.

与对照相比，孔雀草和百曰草的根长分别下降了66.2%、55.1%，黑心菊下降了85.2%。

Under low phosphorus stress the growth rate of Qi-319 axile roots was accelerated and the root length was significantly increased, compared with the control.

在一定低磷胁迫时间内，齐319轴生根生长速率加快，与足磷对照相比，轴生根的长度明显增加。

The experiment group for 102 cases with 180 roots, applying root length surveyor test its working length, undertake root preparing and filling up, took X ray after operation;

实验组102颗牙180个根管，用根管长度测量仪测量其工作长度，进行根管预备和充填，术后拍片；

Under the condition of the non-competition, The plant height, the weight of the plant aerial part, the root length, the root weight and the breadth of leaf of sensitive biotype barnyardgrass is better than that of two resistant biotypes.

在非竞争条件下，敏感性生物型稗草S在植株高度、植株鲜重、根长、根鲜重和叶片宽度方面都明显高于抗药性生物型稗草R。

Root length, root/ shoot ration and IAA in the root and leaves of the plant increased and iPA content decreased with the decrease in P concentration in the medium.

结果表明，随着介质磷水平的降低，大麦根长、根/冠比及根和叶中生长素（IAA）含量均增加，细胞分裂素（iPA）含量则随之减小；

The main indexes which affected leaf yields were root diameters, long branch number, long branch length, the ratio of seedling height to crown diameter, and the ratios of crown diameter to leaf layer depth.

对当年叶产量影响最大的指标分别为地径、长枝数、长枝长、高幅比及冠长比。

Effects of sodium compound and AT toxin on root length of tobacco seedling

钠盐与AT毒素对烟苗根生长的影响

Objective: To investigate the affection of orthodontic treatment on root length, heigt and alveolar bone.

目的: 为了观察和分析牙齿在移动过程中对牙根长度及根周硬组织的影响.

At P deficiency, the ratio of lateral roots to axile roots, root length to root weight of the primary roots of 181 increased significantly.

而且，低磷使181初生根的侧根/轴根比值、根长度/根重比值较高。

The study of the transgenic Arabidopsis germination rate, root length, salt-tolerant overall plants showed that the gene in a certain level enhanced the transgenic Arabidopsis salt tolerance.

通过对转基因拟南芥的萌发率、根长、整体植株的耐盐性的功能研究，显示该基因在一定水平上提高了转基因拟南芥的耐盐性。

The root of the problem appears to be our heads which, weighing in at 4-5 kilos, are harder to support when we bend over-a little like carrying a weight at arm's length rather than closer to the body.

产生这一问题的根本原因在于我们的头部：它们重达4至5千克。我们低头时，就会很难支撑头的重量——这种情况有点儿类似用胳膊拿重物，离身体越远就会显得越重。

In soil: sheep dung ( 4:1) and farming soil: sawdust ( 1:1), individual plant tallness, axial root length and branch root number were better.

耕作土加羊粪按4∶1比例配制和耕作土加锯末按1∶1比例配制作基质时唐古特白刺株高最高、主根最长、侧根数最多。

Results Obviously positive correlations were showed, including crown/ root length and span, mesiodistal widths/ buccolingual thickness of crown and cervical and root middle point.

结果冠长（根长）和全长，冠颊舌径、颈近远中径、颈颊舌径和根1/2近远中径（根1/2颊舌径）成显著正相关。

Compared with the ZM treatment, the SM treatment significantly increased the leaf area per plant, main root length, gross root length and root dry weight per plant of rice.

旱作条件下，稻草覆盖旱作的水稻分蘖数、叶面积、根系生长明显优于裸地旱作。

The results indicated that: ( 1) plant height and tillering number decreased, and root length, root surface area, root volume and rootlet number increased under drought stress;

结果表明：①干旱胁迫下水稻株高降低、分蘖数减少，根系则表现出主根伸长、支根增多、根表面积和根体积增加；

And inhibitory effects of all entries on barnyardgrass root-length and shoot-height showed continuously variant, implying that allelopathy is a quantitative character.

通过琼脂迟播共培法考察了水稻RIL各家系及亲本的化感作用，结果表明，各家系对稗草的根长和茎长抑制率呈连续变异，证明了化感作用是数量遗传性状。

Construction and Characterization of a Full-length cDNA Library for North American Ginseng Root Tissues

西洋参根cDNA文库构建及鉴定

METHOD: 242 root canals need to be treated were randomly divided into two groups, root canal work length was measured with Root-ZX radiometer in experimental group;

方法：242个需进行治疗的根管随机分为两组，实验组采用Root-ZX根管长度测定仪测定根管工作长度；

Results show that root biomass, root volume, root length and root diameter of rice and barnyardgrass all increased significantly under FACE condition with NN ( normal nitrogen) supply, the response of rice to CO_2 was higher than that of barnyardgrass.

结果表明，常N水平下高浓度CO2显著增加水稻和稗草的根干重、根体积、根总长和根直径，水稻对CO2浓度升高的响应强于稗草；

The morphological indexes include plant height, leaf area, the length of the main root, the quantity of the first branched root, the length of the longest branched root, the root volume and the dry weight of root and plant, et al.

测定的形态指标包括株高、叶面积、主根长度、侧根数、最长侧根长度、根系体积、根干重和地上部分干重等；

Methods: Seventy extracted maxillary first premolars were used in this study. The Tooth Length, Crown Length, Root Length, Cervix Thickness, Cervix Width, Crown Thickness and Crown Width were measured with a vernier caliper.

方法：收集牙齿发育完全根尖完整的上颌第一前磨牙70颗，用游标卡尺测量每个牙的牙长、冠长、根长、颈厚、颈宽、冠厚和冠宽。

10 replanted teeth from 7 patients failed because of root resorption over ( including) 1/ 3 root length after operation ( 60%). Unstableness of teeth accounted for 20% and ensuing infection accounted for 20%.

5年中累计有7病例10颗再植牙失败，失败原因主要为术后牙根吸收≥1/3根长（占60%）、固定不牢靠（占20%）、继发感染（占20%）。

The results showed that different media had significant effects on the survival rate, height, stem diameter, root length, shoot and root dry matter weight of eastern arborvitae.

研究结果表明，不同配合基质对侧柏幼苗的成活率、株高、径粗、根长、地上部和地下部干重均有显著影响。

Results indicated that the effect of different Al 3+ concentrations on absolute root length was highly signifficant, but its effects on relative root lenghth, absolute seedling weight and relative weight were not.

不同的Al3+浓度对根的绝对长度影响极显著，对根的相对长度、幼苗全株绝对重量和相对重量影响不显著；

Objective To evaluate the accurate of root length surveyor.

目的:评价根管长度测量仪测量根管工作长度的准确性.

Evaluate on Root Canal Filling Treatment Result by Root Length Surveyor

根管长度测量仪在根管充填中的疗效评价