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GCs are generated by means of controlled precipitation of crystals from the glass-forming matrix phase, leading to a material comprising one or more crystal period(s) embedded within a residual glass matrix. In principle, GCs Mix the beneficial optical Qualities from the crystalline stage Using the processing ability, chemical versatility and microstructural homogeneity Eyeglasses [eighteen�?4]. On the other hand, they need the inconceivable mixture of substantial glass forming ability and immediate crystal nucleation, which must be nicely separated through the kinetics of crystal growth. The previous is so as in order to course of action the glass. The latter is in an effort to induce homogeneous crystal precipitation within a controllable way method, especially when aiming for nanoscale crystallites to be able to acquire visually transparent or translucent GCs.
Dr. Greene remains to be haunted because of the Demise of Jodi O'Brien and isn't absolutely sure he can perform as a doctor. At Susan's urging, he takes the night off but unfortunately for him, The brand new head with the ER Dr. 'Wild Willy' Swift arrives unannounced. Susan impresses Swift together with her managing of many instances over a busy night. She also has to cope with the case of the youthful guy that has experienced the hiccups for two days but could in truth be struggling from some thing way more severe.
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掺铒玻璃从一个深奥的元素演变为现代技术的基石，体现了人类的创造力。随着我们突破新的科学和技术阈值，掺铒玻璃的潜在应用似乎无穷无尽，预示着一个未来，今天的奇迹只是通往明天无法想象的突破的垫脚石。
Using the information she has been given about her former partner Al's wellbeing, Jeanie Boulet decides to obtain herself tested. Doug Ross' girlfriend Karen forges his prescription for percodan. Hathaway's boyfriend, Shep, is refusing to go through his anger administration therapy. Mark's ex-wife Jen tells him that she will re-marry. Loretta Sweet asks Greene if he would develop into guardian to her Young children.
Just after prolonged exposure for the crisis home, and a brief discussion with Dr. Anspaugh over the finale of your preceding time, he decides to vary his specialty to unexpected emergency medication, to Benton's dismay. To ensure that get more info Carter to change from his surgical residency to an crisis drugs residency, he agrees to operate free of charge for his initially calendar year, considering that County General experienced no far more funding for a further spot.
John Carter is concerned that his most up-to-date paramour can have remaining him having a souvenir in their sexual come upon. Doug Ross treats a young Female suffering from significant asthma but whose mother cannot manage her medication. Benton treats Ivan the liquor store proprietor that's shot to the 3rd time in as several months.
ER was filmed in 1.78:1 widescreen from the start, Despite the fact that it was not broadcast in widescreen right until the seventh period, when it began showing during the 1080i High definition structure.[citation needed] Considering that the sixth episode of season 7, it's appeared in letterbox format when in typical definition. Due to this fact, the U.S. DVD box established features the widescreen versions with the episodes, like All those episodes initially broadcast in 1.
YbYAG crystal is a lot more suited to diode-pumping than the standard Nd-doped methods. It may be pumped at 0.94 μm laser output. In contrast Using the normally utilized Nd:YAG crystal, Yb:YAG crystal provides a much larger absorption bandwidth to reduce thermal administration demands for diode lasers, an extended higher-condition life time, three to 4 situations decrease thermal loading per device pump electricity.
So that you can even more quantify the solidification outcome with the glass-ceramics around the chromium ions, leaching tests were performed to the stainless steel slag along with the glass-ceramics using a nitric acid solution, a concentration of 5%, respectively. The outcomes had been shown in Desk four. It absolutely was obvious which the written content of chromium ions within the glass-ceramics from the leaching fell off hundreds and 1000s of situations, when compared with the stainless steel slag.
If just about anything had long gone Incorrect during the published from the Reside episode (like a complex failure or forgotten dialogue), the producers had supplemental actors prepared to improvise a scene that will have already been inserted to deal with. This contingency was never ever used.
Mark has to work for that fourth night time in a very row though plenty of the staff are absent and the volume of patients is towering.
The direct oxide raises the glass's refractive index, supplying crystal its renowned sparkle and brilliance. Crystal is usually a heavier material, and can be worked into much more in depth patterns than standard glass.