单词:laser cavity regeneration process
单词:laser cavity regeneration process 相关文章
第三章 呼吸系统 Chapter 3 Respiratory System aditus laryngis 喉口 anterior horn 前角 anterior mediastinum 前纵隔 apex of lung 肺尖 aryepiglottic muscle 杓会厌肌 arytenoid杓肌 arytenoid articular surface 杓关节面 arytenoid cartilage 杓状软骨 base of
I am going to take a chance and say that very few people enjoy going to the dentist, especially for a filling. A dentist usually treat a cavity by removing the damaged part of the tooth. Then they fill the hole with porcelain or a combination of silv
By Carol Pearson Washington 30 April 2008 Ten years ago, the U.S. Food and Drug Administration approved LASIK, eye surgery with a laser that enables people to see without glasses. But about five percent of LASIK procedures fail, and those patients ca
EXPLORATIONS - The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can
Days of Painful Tooth Repair May Be Over From VOA Learning English, this is the Health Lifestyle report. Many people fear a visit to the dentist. They are not so much afraid of the doctor, but of the dental equipment and treatments. Well, fear no mor
New Laser Device Helps Parkinson's Patients Walk 新激光设备帮助帕金森患者重获行走能力 Parkinsons disease slowly destroys the brains ability to control the muscles, depriving the patients of their mobility. Researchers at the Mayo Cl
Here is some thanksgiving tips food and safety expert Ben Chatman in North Carolina State University. First, do not wash the turkey, which***. The water splashing off a portroy can toss bacteria around your entire food preparation area. Two, s** is t
The United States Navy has demonstrated a new laser weapon operating in the Persian Gulf. The Laser Weapons System, or LaWS, is deployed on the USS Ponce transport ship. A live test firing of the weapon was recently carried out for Cable News Network
This is All Things Considered. I'm Michelle Norris. Phone calls from Sweden woke up two American scientists this morning, John Hall and Roy Glauber. They will share the Nobel Prize for Physics with a German Researcher Theodor Haensch. All three worke
The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can go from the sci
EXPLORATIONS - The Laser: Futuristic Science Found at Your Local Store MARIO RITTER: Welcome to EXPLORATIONS in VOA Special English.Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one
Sports stars and politicians are in London to tour the Olympic Park construction site, where in exactly two years athletes from around the world will compete in the 2012 Games. Despite cost concerns, British authorities say they are ahead of schedule
加速钙和矿物质吸收的蛀牙新疗法 For over a hundred years, dentists have been repairing cavities by removing the decayed tooth tissue with a drill and filling the hole with metal or plastic material. Depending on the cavitys depth, this
Technique May Eliminate Drill-and-Fill Dental Care For over a hundred years, dentists have been repairing cavities by removing the decayed tooth tissue with a drill and filling the hole with metal or plastic material. Depending on the cavitys depth,
Larry和李华刚刚忙完手头的工作。他们一起去吃冰激凌。李华今天要学两个常用语:my treat和ginormous. LL: Well, Li Hua, you just finished a big paper, and I just finished an important project at work. Let's go for ice cr
By Paul Sisco Washington 14 November 2007 At the McDonald Observatory in western Texas, a unique space program has been quietly underway for more than 30 years. It is called the Lunar Laser Ranging Program. VOA's Paul Sisco has more. Research scienti
A proud pensioner has spent 26 years creating the ultimate life-like dolls house. 一名充满活力的退休老人花费26年的时间打造出了一座高仿真娃娃屋。 Leonard Martin constructed the intricate house from scratch as a way to fil
Listen to the patients' questions to a doctor.Check the correct answers that the doctors may response. 1.What caused my stomachache? 2.Do I need to take medicine? 3.What is this d rill for? 4.Is the cavity serious? 5.Can you do something about the ca
A: Hey, Gary, great to see you again. Please have a seat. So tell me, what seems to be the problem? B: Thanks, doc. Ive got a really bad toothache! I cant eat anything, and look, my face is all swollen. I think it might be my wisdom tooth. A: Well, l