Most of wedge-shaped defects were found at first bicuspid teeth.

Objective: To observe the restoration and healing effects of implantation of natural non organic bone ( NNB) in chronic periapical bone destruction of anterior teeth or bicuspid teeth.

目的：观察前牙、双尖牙慢性根尖周病变骨质破坏时，植入天然型无机骨（NNB）的修复与愈合效果。

The second; Bicuspid aortic valve is heritable

二叶式主动脉瓣的遗传性

Second bicuspid actually, lower left.

确切地说，是左下角的第二颗两尖齿

Conclusion With respect to the protection of the anchorage of molar, it is more suitable for the palatal implant to connect with the first permanent molar than with the maxillary second bicuspid.

结论就保护磨牙支抗来说，种植体连接在上领第一性磨牙较之连接在上领第二双尖牙更加合适。

In addition, the changes of width between second bicuspid and mandibular molars showed statistical significances.

下牙弓变化中，第二双尖牙间和磨牙间宽度增加有显著性差异。

This paper describes a flow visualization experiment over the leeside of a slender tapered wing with a leading edge sweepback angle of 65 ° and a biconvex section.

给出了前缘后掠65°、双弧形剖面的细长梯形翼背风面流动显示结果。

At the limit condition, the ordinary formula of self imaging on plane grating can be obtained. STUDYING THE RULE OF IMAGE CONSTRUCTION FOR BICONVEX LENS BY USING THE METHOD OF VISION DIFFERENCE

它与在球面波照射下平面光栅的自成象规律类似。用视差法研究凸透镜的成象规律

The rule of adaxial image formation is studied, of the transmission light and reflected light through the two optical surfaces L_1 and L_2 of the biconvex lens.

研究了经双凸透镜两个光具面L1和L2的透射光线和反射光线的近轴成像规律，以此说明其像群的形成。

This paper, in detail, introduced how to study the rule of image construction for biconvex lens by using the method of vision difference.

本文详细地介绍了如何运用视差现象研究凸透镜的成象规律。

Studying the rule of image construction for biconvex lens by using the method of vision difference

用视差法研究凸透镜的成象规律

Reporter learned the other day from the insider place that Nie Yuan and will love one another two year biconditional gate female apprentice Yang Guang to marry officially.

记者日前从知情人士处获悉，聂远将和相恋两年的同门师妹杨光正式结婚。

Chromic Compound's Cleaner Production& the New Process of Roasting Chromite without Calcium to Produce Sodium Bichromate

铬盐的清洁生产&无钙焙烧生产红钒钠新工艺

The difference did not change even under the action of sodium fluoride, potassium bichromate, mitomycin C and colchicine.

在氟化钠、重铬酸钾、丝裂霉素C和秋水仙素等四种环境诱变剂作用下，以上倾向没有变化；

Influence of Potassium Bichromate Concentration and Storage Time of Sample on Determination of Milk Fat by Milko-Scan

重铬酸钾浓度和样品贮存时间对Milkl-Scan测定乳脂肪的影响

Determination of Organic Matter in Soil with the Method of Potassium Bichromate-dilution Heat Colorimetric

重铬酸钾稀释热比色法测定土壤有机质的研究

Observation of germicidal efficacy of compound potassium bichromate acid solution

重铬酸钾复合酸液杀菌作用观察

The Cr~ ( 3+) standard solution is prepared from a potassium bichromate solution and the preparing procedure and the standard working curve are presented.

Cr3+标准溶液由重铬酸钾溶液制备，介绍了制备方法及标准曲线。

Determination of Phosphite Content in Zinc Phosphite by Potassium Bichromate Method

重铬酸钾法测定防锈颜料亚磷酸锌中的亚磷酸根

Ammonium bichromate ( dichromate): Salt formed by neutralising chromic acid with ammonia. An orange color crystal that is soluble in water, insoluble in alcohol.

重铬酸铵：氨与铬酸中和所产生的盐。橙红色晶体。可溶于水，不溶于醇（酒精）。

Results 0.1 ‰ mercury bichloride solution can easily cause conjunctiva red, pain, photophobia, shed tears and cornea edema.

结果1万升汞（二氯化汞）易导致结膜充血、畏光、流泪、角膜水肿、疼痛。