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- In 1927, at Chou-k'ou-tien, near Peking, a hominid lower molar of unusual pattern was discovered. 1927年，在北京附近的周口店发现一颗形状异常的人类下臼齿。
- In 1927, at Chou-k'ou-tien, near Beijing, a hominid lower molar of unusual pattern was discovered. 1927年,在北京附近的周口店发现一颗形状异常的人类下臼齿。
- A tooth adapted for tearing apart flesh, especially one of the last upper premolar or first lower molar teeth in carnivorous mammals. 裂齿，食肉齿适合于撕裂肉的牙齿，尤指食肉哺乳动物最后上前臼齿之一或第一个下臼齿
- A tooth adapted for tearing apart flesh,especially one of the last upper premolar or first lower molar teeth in carnivorous mammals. 裂齿，食肉齿适合于撕裂肉的牙齿，尤指食肉哺乳动物最后上前臼齿之一或第一个下臼齿
- Results High fluoride exposure in pregnant mic e could cause subameloblastic cysts in first lower molar of fetal mice.Programm ed cell death (PCD) ... 结果孕鼠高氟引起胎鼠牙胚分泌期造釉细胞下囊腔的形成,囊腔上方的造釉细胞发生了程序性细胞凋亡(PCD)。
- For upper &lower molars, round type beak. 大的下颌磨牙，宽喙，更大弹性。
- It was shown that the particles with small diameter and narrow distribution could be obtained at a low molar ratio of of KBH_(4) to CuS... 实验表明,硼氢化钾与硫酸铜的摩尔比较小更利于制备粒径小、粒径分布窄、团聚程度低的铜纳米颗粒。
- The results showthat fly ash will reacte with Ca(OH) 2 and high Ca/Si ratio C-S-H gel produced by the hydration of clinker,and so that to produce the C-S-H gel with a lower molar ratio of CaO/SiO. And such C-S-H gel can bind more Na + and K + ions. 结果显示 ,粉煤灰的掺入对ASR有较好的抑制效果。 粉煤灰主要是通过与Ca(OH)2 及水泥熟料水化生成的高Ca/Si比的C -S-H凝胶发生二次火山灰反应 ,生成大量低Ca/Si比的C -S-H凝胶 ,提高了对孔溶液中Na+ 和K+ 的吸收 ,从而起到抑制ASR的作用
- The critical micelle concentrations and aggregation numbers of sodium dodecyl sulfates(SDS) mixed with different low molar ratio of cetyltrimethylammonium bromide(CTAB) were tested by pyrene fluorescence probe method. 用芘(Py)荧光探针法测定了添加少量十六烷基三甲基溴化胺(CTAB)后,十二烷基硫酸钠(SDS)的临界胶束浓度(CMC)和胶束聚集数(Nm)。
- In these case, another four first molars extraction is a good choice to reach a good mesial and distal relationship between upper and lower molar area and get a good profile. 此时如增拔上下第一大臼齿，则可使臼齿区域的近远心关系及病人侧貌得到良好的改善。
- low molar ratio urea-formaldehyde resin 低摩尔比脲醛树脂
- RESULTS: Clinical crown height of upper premolars、 lower premolars and lower molars are increased. 结果:上下颌前磨牙、下颌磨牙的临床冠高度有所增加;
- Width between left and right premolars in upper and lower arch are increased while decreased between lower molars. 在咬合打开后，进行咬合打开前、后的模型测量研究。
- RESULTS: Clinical crown height of upper premolars lower premolars and lower molars are increased. 对照组12例，为条件相当而未作治疗的儿童。
- Sherman recommended that Clarke be disciplined, but higher-ups rejected the idea. 谢尔曼建议对克拉克进行纪律惩戒，但高层拒绝了这个意见。
- Unwaged members pay a lower entrance fee. 无固定收入的人入场费从优。
- A man's voice is usually lower than a woman's. 男子的嗓音通常比女子的低。
- The little boy used to push out his lower lip. 那个小孩以前老要撅起下嘴唇。
- Tom was lying on the lower bunk. 汤姆躺在下铺。
- Any chance of a lower price from you? 你能不能要价低一点？
