查询词典 retention

Rats in experimental group were placed on the expansion appliance, inserting into the diastema between the first and second molars, then stick to molar lingual using light-cured resin for retention.

实验组采用0.014澳丝弯制双眼圈簧样扩弓装置，插入第一、二磨牙牙间隙，用光固化树脂粘结在大鼠磨牙舌侧进行固位；对照组安装未加力的同型扩弓装置。

It was found that the organic solvent can improve the retention time of disodium inosinate and the acidity and ionic concentration can improve the separating size of chromatogram.

试验发现有机溶剂可以显著改善次黄嘌呤核苷酸二钠盐的出峰时间，酸度和盐离子浓度可以显著改善色谱的分离度。

Methods The mice were treated by ig FBD with the doses of 35, 70 and 140mg/kg for one week continuously. Effect of FBD on dysmnesia of acquired learning of mice induced by scopolamine, dysmnesia of memory retention of mice induced by NaNO2, and dysmnesia of reappearance of memory of mice induced by 45% ethanol were studied.

小鼠ig给予35、70、140mg/kg FBD，连续1周，观察FBD对东莨、莨菪碱所致小鼠记忆获得障碍、亚硝酸钠所致小鼠记忆巩固不良和45%乙醇致小鼠记忆再现障碍的影响，并观察FBD对大鼠双侧颈总动脉结扎所致的慢性脑部供血不足而产生的记忆障碍的改善作用。

The interdental distance between the mesial groove of the first molars and distal groove of the second molars was measured on the maxillary dental casts. The interdental distances at the end of experimental tooth movement and retention were calculated. The effectuality of retentive appliances was evaluated by comparing the tooth movement distances between the experimental side and control side.

在加力结束后和保持结束后即刻制取上颌石膏模型，测量所有模型的第一磨牙牙合面近中沟与第二磨牙牙合面远中沟的距离，计算加力结束后与保持结束后的距离，比较实验侧与对照侧的牙齿移动距离，评价保持装置的有效性。

On the contrary, although testing memory made learning slower or more effortful, it enhanced long-term retention and help people achieve effective memory.

4测试相对于编码，延迟反馈相对于即时反馈在记忆阶段形成了&必要难度&，延缓了记忆进程，但却提高了记忆的有效性。

Although this will allow the positively charged analytes to interact electrostatically, the hydrogen-bonding capacity is weak, which is likely to cause the weak retention.

尽管它对分析物的静电相互作用力的约束有积极的一面，但由于氢键能力变弱，从而导致更弱的残留。

Supine pelvic circulation of women adversely, a variety of Emmeniopathy Pregnant women advised to check the left side of lying, especially to enter in late pregnancy, and at this time there are about 80% of pregnant uterus is tilted right, so that pressure on the right side of the ureter, urinary retention easily tendency may be to the right side of the long-term Pyelonephritis .

仰卧对妇女盆腔血液循环不利，易致各种月经病。孕妇宜取左侧卧，尤其是进入中、晚期妊娠的人，此时大约有80％孕妇子宫右旋倾斜，使右侧输尿管受压，易产生尿潴留倾向，长期可致右侧肾盂肾炎。

This limitation can be added and the extension of absorption enhancer to overcome the drug retention time.

这一局限性可通过添加吸收促进剂和延长药物滞留时间加以克服。

0Kg/(m3·d) and a hydraulic retention time of 6h, an equilibrial hydrogen-producing microbial community could be established within 30 days.

结果表明，保持反应器内 pH为 5 ，污泥接种量为 6 g/L、COD启动负荷为 7 0kg/(m3 ·d)、水力停留时间为 6h等条件，可在30d内完成产氢发酵菌群的驯化。

There are 40 rural women(19.2%),35.6%are manual workers and 45.2%are office workers.22 cases have taken breast retention operations and 186 cases taken eradicative operations.

目的找出农民与不同经济收入水平对乳腺癌妇女精神心理障碍的影响程度，为有效的临床干预治疗提供科研依据。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。