牙根

Arboreal plant Paulownia fortunei, Ulmus pumila and Broussonetia papyrifera had relatively higher complex ability to accumulate heavy metal.Cedrus deodara, Platanus acerifolia and Ligustrum lucidum also had some complex ability to accumulate heavy metal. These species could be selected as the greenery tree as well as purified tree in the area. Among the herbaceous plants, the accumulation ability of Cynodon dacytlon was better than others.

经对比筛选，木本植物中泡桐、白榆和构树具有较高的重金属综合富集能力，雪松、悬铃木和女贞等树种亦有一定的富集能力，这些树种可被选为该区净化重金属污染的绿化树种；草本植物中，狗牙根的富集能力大大超过其他草本植物。

The measurement covered the tooth material,premolar diametre,premolar basal arch widthand basal arch length. The ratios of PMD/TM, PMBAW/TM and BAL/TM were calculate.

测量牙量、双尖牙弓宽径、双尖牙根尖基骨宽径、基骨弓长度，并计算PMD/TM、PMBAW/TM、BAL/TM值，对其进行统计学处理与分析。

Type 1-1-1,2-2-1 and 2-2-2 account for 91 4%;The appearing rats of distal lingual canal are 24 7%;The appearing rats of double root canal orifices are as follows:Medial canal 78 3%,distalcanalIt don't ...

远中舌根的发生率为 2 4 。7%；双根管口率：近中根为 78.3%，远中根(不含远中舌根，下同)为 19.3%；双根管率：近中根为 88.3%，远中根为 2 3.3%；双根尖孔率：近中根为 5 6 。7%，远中根 8.3%，单根管口而有双根尖孔者，近中为 6 。7%，远中为 3.3%。结论下颌第一恒磨牙根管的类型复杂，充分了解其根管解剖对提高根管预备效果、减少根管遗漏有重要意义。

FG has good biocompatibility and can close the primary wound with reducing the downgrowth of junctional epithelium and can significantly improve the periodontal tissue regeneration in treatment of flircation artifieial defects.

提示FG对PDLC无毒性或抑制作用，有较好的生物相容性，可促进PDLC向牙根面的迁移和附着。

Objective To determine the influence of the microbial flora isolated from failed endodontic tooth to dogs' apical tissue.

目的 观察根管治疗失败病例根管内分离的主要微生物对狗牙根尖周组织的影响。

We all have a friend who knew us when...maybe way back in Miss Meltzer's second grade, when our family lived in that tree-room flat in Brooklyn, when our dad was out of work fo seven months, when our brother Allie got in that fight where they had to call the police, when our sister married the endodontist from Yonkers, and when, the morning after we lost our virginity, she was the first, the only, friend we told.

也许可以追溯到二年级的时候，当时我们家住在纽约市布鲁克林区的一套三室公寓。我父亲失业七个月，我哥阿里参与了一起斗殴事件都惊动了警察局，我姐嫁给了一个扬右克斯市的牙根管医师，当我不再是处女的第一个早晨，她是我透漏秘密的第一个且是仅有的一个朋友。

Among these plants, only Equisetum hiemale, Cyperus rotundus and Cynodon dactylon inhabit in all four tungstrn mine.

这些植物中，只有木贼、莎草和狗牙根3种植物在4个尾砂库中都有出现。

It is mainly against the Kentucky bluegrass, perennial ryegrass, bermudagrass and tall fescue, etc..

它主要危害草地早熟禾、多年生黑麦草、狗牙根及高羊茅等。

Believing myself to know better and not wanting to be a fishwife like them, I could only grit my teeth and bear it.

好男不跟女斗，我也不屑跟这两个泼妇互相骂街，只有咬紧牙根，充耳不闻。

Biological characterization and the effect of 5 kinds of fungicide of Bipolaris cynodontis were studied.

对狗牙根平脐蠕孢菌的生物学特性及5种杀菌剂对该病原菌的抑制作用进行了研究。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。