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In immature permanent teeth, devitalization and root canal treatment are not advisable until full apex formation and closure have occurred.

在未成熟恒牙，根尖形成和闭合之前，不宜行失活及根管治疗术，而应行去髓术并氢氧化钙安抚。

Traditonal treatment include debridement and broad-spectrum antibiotics were used after operation,but local ischemia and devitalization of bone and soft tissue occurred when open fracture,drug concentration of local fracture is lower than blood.

常规处理是清创术后全身应用广谱抗生素，在开放性骨折中，由于血运障碍、骨与软组织失活，全身应用抗生素时，骨折局部抗生素浓度往往低于血药浓度，疗效较差而副作用大。

Looking back the pioneering path of generations of GNERI staffs at the tough conditions, many of them are as vivid as if they were just occurred at yesterday, and are so amiable, respectable and memorable. After vicissitudes and hardship in the past 30 years, GNERI has been developing from a small to a big institute, from a domestic to an international institute, which accumulated the condensed devotement, passion and wisdom with the painstaking care, unremitting effort, continuous progress, industrious work attitude of generations of GNERI staffs. It is GNERI staffs depicted ups and downs of GNERI on their way to the sunny road with youth, determination and righteous ardour.

回首过去几代能源所人在十分艰苦条件下的创业历程，许多故事好像就发生在昨天一样历历在目，令人可亲、可敬而又难忘。30年沧桑砥砺，30年风雨兼程，能源所从无到有、从小到大、从国内到国际，渗透着几代能源所人殚精竭虑、自强不息、艰苦奋斗的心血、热情与智慧，用自己的青春、意志和热血谱写了能源所人阳光路上的风风雨雨。

RESULTS: Landiolol clearly attenuated the increases in heartrate and mean arterial blood pressure that occurred in responseto the dewclaw clamp, but did not alter the MAC of isoflurane.

结果：兰替洛尔明显减弱悬蹄夹刺激时的心率和平均动脉压升高效应，但并不改变异氟醚的 MAC 。

The main shock occurred on the dextral obduction-type fault zone and the hypocenter depth was about 15km .

汶川地震的主震发生在具有右旋性质的仰冲型断层带上，震源深度为15公里左右。

The change in the bleeding time occurred within 3 to 9 hours after the dextran had been given.

流血时间的变化发生在葡聚糖被注射的3到9个小时内。

The KN and dextrose were blended just prior to casting, which occurred in an oil bath set at 375°F (190°C).

该千牛及葡萄糖被混纺前铸造，其中发生在一个油浴定在375华氏度（ 190 ° C ）的。

Four episodes of massive bleeding occurred before a definite diagnosis could be established by angiography. A high index of suspicion is the most important diagnostic aid that can prevent the physicians from overlooking the possibility that lower GI hemorrhage may have such an unusual source.

病人在经历四次动脉血管摄影后出血才得到确切控制，唯有临床高度怀疑且快速准确的动脉血管摄影检查，才可避免轻忽此一罕见下消化道出血原因，并得到立即有效的治疗。

A competent diagnostician can take sources of error into account, but for some symptoms, such as severity of pain, or when the first severe attack of shortness of breath occurred, it is usually not possible to objectively verify the patient's reports.

有能力地诊断医生会重视这些误差，但有时某些症状如严重的疼痛或严重的气急初发，此时通常就不可能客观的验证病人主诉的准确性。

At diakinesis, 0.2 tetravalents, 0.05 hexavalents and 0.05 octovalents per pollen mother cell were detected, which was absent in cultivated cucumber. In 30% PMCs, crossed chromosomes occurred at diakinesis.

在减数分裂终变期，平均每个花粉母细胞有0.2个四价体、0.05个六价体和0.05个八价体，约30%的花粉母细胞中存在拉十字的染色体。

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。