查询词典 root-mean-square

He who desires happiness must strive after a perfectly conteted disposition and control himself; for happiness has contentment for its root, the root of unhappiness is the contrary disposition.

如追求幸福，为人要完全知足，清心寡欲，因为知足为幸福之源，反之则为不幸之源。

The present thesis showed that root elongation of alfalfa (Medicago sativa L.) during a 24-h period was inhibited by 80% by the exposure to 5 umol L-1 Al and its roots was obviously stained by eriochrome cyanine R; however, the roots of stylo need to be exposure to 30umol L-1 Al in order to get obviously stained with its root elongation was inhibited by 68%, which shows, for stylo, its ability of tolerance to aluminum is strong.

本研究发现，5 μmol L~(-1)AlCl_3使紫花苜蓿根长抑制80.0％，铝处理后的根尖被铬天青明显染色，而柱花草经30 μmol L~(-1)的AlCl_3处理后方观察到根尖明显染色的现象，根的伸长受抑制68.0％，表明柱花草抵御铝毒能力较强。

Whith the increase of water supply,the biomass,tree height,total branch number and length,total leaf number and area,specific leaf area and fine root length increased,and root/shoot biomass,sclerophyllous characters and leaf succulence degree decreased.

随着施水量的增加，幼苗生物量、株高、总枝数和长度、总叶片数、总叶面积、比叶面积和细根长逐渐增大，而生物量根冠比、硬叶特征和叶肉质化程度逐渐减小。

The supersession of the new and old root was related with the peak of the second stage juvenile (J2). The temporal and spatial dynamics of invasion for the SCN had closely related with the soybean root development.

首次提出大豆胞囊线虫二龄幼虫高峰的出现与大豆根系新老更替密切相关的观点，并研究了线虫的侵入和分布与根系发育的时空动态。

There was big difference among the 22 different materials in the disease resistance. Translocation lines Pm97033 showed the highest resistance in reaction than others. The percentage of diseased root and severed level were 11.3% and 5.4%; substitution lines Wan7107 showed medium resistance to the fungus, the percentage of diseased root and severity level were 21.4% and 10.6%; F5 generation of common wheat with Till showed higher resistance to take-all fungus than the PS progenies of common wheat with Aegilops tauschii or the other common wheat varieties.

菌饼＋菌粒法对宁春4号的致病力明显高于菌饼法和菌粒法，其病根率、严重度和病茎率分别达到100.0%，57.3%和28.6%。22个遗传背景不同的小麦材料间抗病性差异较大，其中小麦－簇毛麦易位系Pm97033的抗病性最强，病根率和严重度分别为11.3%和5.4%；代换系Wan7107次之，病根率和严重度分别为21.4%和10.6%；硬粒小麦－簇毛麦双二倍体(TH1)与普通小麦品种杂交后代的抗病性强于粗山羊草与普通小麦品种杂交后代。

The root of our teeth 牙根 Let's get to the root of the problem.

让我们抓住问题的根结。

To investigate the clinical effect of Root ZX electronic apex locator in measuring posterior teeth root canal working length.

探讨RootZX根管长度电测仪测量后牙根管工作长度的临床效果。

Objective To observe the pain occurrence after root canal filling with three different kinds of materials.Methods 87 teeth for root canal treatment were divided into group A,group B and group C randomly.

根管治疗是目前公认的治疗牙髓炎和根尖周炎的首选方法[1]，但根管充填后其疼痛反应不仅增加了患者的痛苦，而且增加了医患矛盾。

Objective To observe the clinical effect of root canal nail combined with light-cured resin on repairing residual crown and residual root of buccal teeth.

目的 观察根管钉加光固化树脂修复后牙残冠残根的临床疗效。

We studied the optimum medium and hormone combination of callus induction from cotyledons, subculture of callus, shoot regeneration from callus, shoot-extension induction, root induction and identified the chromosome number of the plantlet. The results showed that: MS+2,4-D 2.0mg/L+KT 0.5mg/L, MS＋2,4-D 2.5mg/L＋KT 0.5mg/L, MS+2,4-D 0+KT 1.0mg/L, MS+KT 0.5 mg/L and basal MS medium. One plantlet among twenty two was determined as a tetraploidy based on the plant morphology, observation of the leaf stoma and chromosome number of the root, other two plantlets represented morphological variation.

结果表明，诱导章丘大葱子叶产生愈伤组织、愈伤组织的继代培养、愈伤组织芽分化、芽点的伸长及诱导生根的最佳培养基及激素配比分别为：MS+2，4-D 2.0mg/L+KT 0.5mg/L、MS＋2，4-D 2.5mg/L＋KT 0.5mg/L、MS+2，4-D 0+KT 1.0mg/L、MS+KT 0.5mg/L和MS基本培养基；试管苗经驯化移栽后，共有22株成活，成活率为92%，对成活的再生植株进行形态学、叶片气孔及根尖染色体鉴定表明，共有3株发生变异，其中2株为外部形态上的变异，而另一株为染色体的加倍变异。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。