直根

利用该图谱对植株的生物学产量、地上部重、株高、株幅12、最大叶长、最大叶宽、叶数、直根直径12和直根重等性状进行QTL定位。

This map was subsequently used in the QTL mapping of biomass , over ground weight , plant height , plant breath 1 2 , leaf length and width of the biggest leaf , leaf number , taproot diameter 1 2 and taproot weight .

而黄绵土土层深厚，更适宜直根性树木生长发育。

By contraries , loess soil possessing of deep soil layer , suits for taproot tree .

方法：25颗离体直根管前牙，随机分为5组，不锈钢K锉常规法预备根管，应用5种冲洗剂组合进行冲洗。

METHODS : 25 extracted human maxillary anterior teeth , with a single straight root were randomly divided into 5 groups . They were instrumented with K-files and conventional preparation technique .

氯仿牙胶糊剂、自产根管封闭剂其根尖封闭效能与AH26、AH-plus相同；直根管充填侧压法优于垂直法。

The apex blocking efficacy of chloroform gutta percha paste and self made root canal blocking agent is equivalent to that of AH-plus and AH 26 . The lateral pressure way is superior to the vertical pressure way .

甜菜幼苗的分区及其肥大直根的定位研究

Zonation of Seedling of Beta vulgaris and Its Location of Fleshy Tap Root

三江源区的自然资源状况与可持续发展&以直根尕卡地区为例

Natural resource status and sustainable development in the Three Rivers ′ Headstream regions

根系类型（直根还是须根）和根系密度。

Type of root system ( tap or fibrous ) and density of roots .

如果你试着计算否定数目的正直根或对数，能发生。

Can occur if you try to calculate the square root or logarithm of a negative number .

但在3个尺度上，各生态类型均以直根型、分枝型、地面芽植物最多。

However , the three ecological types were dominated by taproot type , limb type and hemicryptophyte .

在清理和成形过程中弯曲根管比直根管易于产生各种并发症。

The incidence of canal complication is higher in curved root canal than in straight one during the instrumentation .

根尖止点的完整性与不同根管预备方法对直根管根尖封闭性的影响

Effects of apical stop integrity and different root canal preparation techniques on apical sealing ability in straight root canals

低质杂草，长有长直根，有时用作民间医药。

Any of certain coarse weedy plants with long taproots , sometimes used as table greens or in folk medicine .

目的：比较5种冲洗剂组合对前牙直根管的清洁效果。

PURPOSE : To evaluate the effect of 5 kinds of irrigant combinations on cleaning of anterior straight root canal walls .

方法：选择79颗单直根管离体前牙，经逐步后退法预备根管。

METHODS : 79 single canal extracted anterior teeth were instrumented with step-back technique and then randomly divided into three group .

分别以胡萝卜子叶、下胚轴和直根形成层为外植体诱导出愈伤组织，并建立细胞悬浮系。

Calli were induced from cotyledons , hypocotyls , and taproot cambium of Daucus carrot . and cell suspension lines were established .

3尿素的施肥水平显著影响菊苣直根的产量，以缓苗期、蹲苗后和封垄前分别追施一次为宜。

The carbamide levels influence chicory taproot yield significantly . It was appropriate to fertilize during postponing seedling stage , after controlling seedling and before full crop .

经不同浓度Hg2+处理的胡萝卜直根，通过组织化学方法研究Hg2+对胡萝卜愈伤组织生长的影响。

Treatments with different Hg2 + concentration led to reduction in the carrot callus growth , and callus growth rate correlated negatively with Hg2 + concentration added .

同时禾本科、菊科、蔷薇科植物生物量，根茎禾草、丛生禾草、直根型杂类草的生物量与多样性指数呈显著或极显著的线性相关关系。

The biomass of Gramineae , Compositae , Rosaceae , rhizome grass , bunch grass and taproot forbs had obviously linear correlation with the index of diversity of community .

新球茎的基部直根状的营养根的根尖，则在入秋后逐渐肥大形成球状的贮藏根，从而形成新的种球。

Bulb-like base of the new nutrition taproot apical root , then gradually after the autumn of mast storage root formation of spherical and thus the formation of new bulbs .

直根管或根管弯曲以上折断器械因器械类型有较大差异，根管扩大器械取出率为98%、裂钻为100%，拔髓针为50%。

By contrast , it was 98 % above the curve of canal . The ratio of enlarging instruments removal was 98 % , fissure burs 100 % , broaches 50 % .

6月5日播种的菊苣虽然抽薹率和发病率为12.78%、2.78%，但菊苣的有效直根产量最高。

The bolting rate and disease rate of chicory sown on 5th , June were 12.78 % and 2.78 % respectively , but the effective taproot yield was up to the highest .

根生长型结构以直根型的种类最多占65%，刷状根型和根茎型分别为23%和11%。

About the growth form of root , the most species of 65 % belong to taproot type , as well as 23 % and 11 % belong to brush root type and rhizome type .

然而，目前板栗主要以大田实生繁殖为主，由于其苗木的直根性，且根系再生能力差，致使苗木移栽造林时伤根严重，缓苗极慢，结实较晚。

However , Castanea mollissima cultivation is prior to field seedling propagation now , owing to its taproot characteristic and feeble regeneration capability of root system , lead to injure root seriously when seedlings transplant forestation , revive seedling slowly and fruit late .

不同种质药材性状上的差异主要表现在主根、断面及木质部与韧皮部比例不同等方面，并根据主根的特点将药材分为直根型、半直根型和交叉型。

Character differences of different germplasm medicinal materials lied in Taproot , section , and the proportion between xylem and phloem , according to the characteristics of taproot , the root of Scutellaria baicalensis Georgi was divided into three types : taproot , part taproot and branch root .