Zinc 2 + activates the flotation of silver-doped sphalerite while depresses the flotation of AgCl, Ag 2 SO 4 and Ag 2 O.

Objective : To report seldom symptoms of isolated sphenoid sinus reference.

目的: 报告孤立性蝶窦病变的罕见症状,以减少对该病的误诊.

Objective : To correctly diagnose and treat sphenoid sinus disease.

目的: 提高孤立性蝶窦病变的诊断率和治疗率.

Methods: From 1986 to 1997, we came across 16 cases of isolated sphenoid sinusitis.

方法: 自1986年1997年间, 本科共经历16例临床诊断为孤立性蝶窦炎病例.

Conclusions: At present , endoscopic sphenoidotomy is the mainstay of treatment for isolated sphenoid sinusitis.

但有免疫缺陷疾病者,容易并发眼窝和颅内合并症,预后较差.

Purpose : To study the diagnosis and surgical treatment of isolated sphenoid sinus neoplasms.

目的: 研究孤立性蝶窦肿瘤的诊断和治疗.

To explore diagnosis and reasonable remedy of sphenoid sinus cyst.

目的探讨蝶窦囊肿的诊断及合理的治疗方法.

Reviewclinical datas of 12 sphenoid sinus cyst patients under nasal endoscope surgery.

方法回顾性分析12例经鼻内镜手术治疗的蝶窦囊肿患者的临床资料.

In addition, asymptomatic sphenoid sinusitis was diagnosed in 2 other patients.

另外, 有2例无症状的蝶窦炎.

This paper expounded the characteristic of LPG spherical tank.

阐述了液化石油气球罐的特点.

Surface Gao Guang processes, the spherical surface reflection effect, bright Ze dazzles.

表面高光处理, 球面反射效果, 亮泽炫目.

The spherical gear device can be used to deliver spherical motion.

球齿轮机构可用来传递空间球面运动.

Spherical shape SiO _ 2 powder is synthesized with the emulsion method, presented in this article.

本论文主要是采用乳液法制备球形二氧化硅.

The Earth is a nearly spherical planet.

地球是一个近似球体的行星.

The reasons for crack appearance in LPG spherical tank and the methods for prevention.

介绍液化石油气球罐检验中裂纹形成原因及预防措施.

Optional disc configuration which provides line contact between spherical disc and conical body seat.

备选阀瓣结构,在球形阀瓣和锥体阀座之间具有线接触作用.

The eye is very nearly spherical in shape, and about an inch in diameter.

眼的形状非常接近球形, 直径约一英寸.

...purple and gold spherical earrings.

紫色和金色的球形耳环

Aperture : Compound lens corrected for spherical aberration and coma . Also called Aplanat.

消球差透镜: 矫正球面销售量差和慧星差的复合式透镜.

The Focusing property of flat-topped multi-Gaussian laser beam by lens with spherical aberration is discussed.

利用广义惠更斯-菲涅耳衍射积分公式,研究了平顶多高斯光束通过球差透镜的聚焦特性.

There is a different spherochromatism after the two systems secondary spectrum , spherical aberration and somatic aberration.

当这两种系统消球差、彗差及复消色差后会产生不同的色球差.