查询词典 root-mean-square

Rub with the sponge pad or finger from the nose to outside, to the face, forehead, and hair root, areas around the eyes, eyelash root, and brow root.

用海绵块或手指从鼻子往外抹，至面颊、前额、发根、眼睛周围、睫毛根和眉毛下部。

Results: The chair-side time of two, three and four root canals was decreased obviously in four-handed technique group when root canals were obturated. There was no statistical difference in single root canal between two groups.

结果：单根管充填时两组医生的椅旁操作时间无明显差异，双根管、三根管及四根管充填时医生的椅旁操作时间有显著性差异。

MATERIALS AND METHODS: The root tips of Vicia faba were treated with different concentrations of sodium sulfite and sodium nitrite (in the concentrations of 25;50;100;200;400 mg/L) with distilled water as control for four hours.The root tips of Vicia faba were stained with carbol fuchsin and examined. The micronucleus rate and the rate of chromosome aberration were determined within root tip cells of Vicia faba.

材料与方法：用不同浓度的亚硫酸钠和亚硝酸钠(25、50、100、 200、400 mg/L)分别处理蚕豆根尖4 h，并以蒸馏水作为对照，用石炭酸品红染液染色，分别观察、测定蚕豆根尖细胞的微核率和染色体畸变率。

The results showed that when the concentration of Pb(superscript 2+) was lower than 400 mg/L, effect on the germination root length, bud length, root weight, bud weight, the root activity and the proline content of the garden balsam were not obvious.

结果表明，当Pb(上标 2+)浓度低于400mg/L时，对凤仙花种子的发芽率、发芽势、幼苗的根长、芽长、根重、芽重、根系活力及脯氨酸含量影响不大，当Pb(上标 2+)浓度为800mg/L时，对凤仙花种子才开始表现出明显的抑制作用。

Following girdling and HWA infestation, very fine root biomass declined by 20–40% in 2 years, which suggests hemlock root mortality in the girdling treatment, and a reduction in hemlock root production in the HWA treatment.

围绕和偶遇之后，非常细根生物量下降20%~ 40%，这表明在2年的死亡率的根叶围绕的处理，并减少生产中的铁根单治疗。

It employs carbon dioxide as carbon source to replace traditional sugar, the concentration is controlled to be 2000- 3000ppm, takes light transmission, ventilating and water- proof fluoroethylene resin film as container, and gets tissue culture sprout and replanting sprout of chrysanthemum, which are characterized by largest plant height, largest leaf number, root number, longest root length and largest dry net weight of haulm and root, high rate of emergence and little pollution rate.

本发明提供了一种无糖培养菊花的方法，采用二氧化碳作为碳源，替代传统的糖，控制释放浓度为2000～3000ppm，采用透光性好、透气不透水的氟乙烯树脂膜为容器，在此种培养条件下，不同品种的菊花组培苗和组培后移栽苗在株高、叶数、根数、最大根长、茎叶部分和根部部分的干鲜重最大，出苗率高，污染率最低。

Then this paper makes a deep analysis on the HWMP proposed in 802.11s, points out some defects in root selection and proactive tree generation and makes improvements as follows: it proposes a distributed root selection algorithm to improve the simple direct configuration of root in the draft; it also proposes a ETX-based proactive tree generation algorithm to improve the simple minimal spanning tree based on hop count in the draft.

接着本文选取802.11s草案中提出的HWMP协议进行了深入分析，指出了该协议在根节点选取算法和预先树生成算法中的不足，分别对其做出了改进：提出的分布式根节点选取算法对草案中简单的直接指定根节点做出了改进；提出的基于ETX路由权值的预先树生成算法对草案中简单的基于最小跳数的预先树生成算法做出了改进。

Results:①The medicine of high frequency is spine date seed,licorice root,tuber fleeceflower stem caulis polygoni multiflori,thorowax root,indian bread,chinese angelica,white peony root,szech...

结果：①用药频率高的药为酸枣仁，甘草，夜交藤，柴胡，茯苓，当归，白芍，川芎，合欢皮，远志等；②其中五味子、半夏、黄芩、栀子、丹参、柴胡、酸枣仁等药临床实际用量比教材剂量大，生地、大枣、合欢皮、郁金等实际用量比教材剂量小。

Strawberry Root Rot is more and more important root disease,especially in continuous cropping fields.The whole strawberry garden can be destroyed when root rot is very serious.It has developed the important disease restrict industrial development.

草莓根腐病是草莓根部重要病害，该病近年来逐渐增多，严重时可造成整个草莓园区的毁灭，已成为草莓产业发展的重要病害，世界已报道的根腐病病原物20多种，是较难防治的土传病害。

Compared with Jia 948, Lianzhen 11 had greater root dry weight, root length, root surface area and more lateral roots.

与嘉948相比，连珍11具有较大的根干重，根长，根表面积和侧根数量。

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。