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What is non translational symmetry in crystals?

What is non translational symmetry in crystals? Definition. A symmetry operation that is not compatible with the periodicity of a crystal pattern (in two or three dimensions) is called a noncrystallographic symmetry. Rotations 5, 8, 10 and 12 are compatible with a translation in higher-dimensional spaces, but they are commonly considered noncrystallographic. What are the elements of crystallographic symmetry? Each arrangement of atoms has a certain number of elements of symmetry; i.e., changes in the orientation of the arrangement of atoms seem to leave the atoms unmoved. One such element of symmetry is rotation; other elements are translation, reflection, and...

Q&A

Is Michael Gelman still married?

Is Michael Gelman still married? Michael Seth Gelman (born August 4, 1961) is the executive producer of Live with Kelly and Ryan. He also occasionally takes small roles on television, appearing in two episodes of Kelly Ripa's ABC sitcom Hope and Faith....Michael GelmanYears active1987–presentSpouse(s)Laurie Gelman (m. 2000)Children2 What happened Gelman's wife? On Thursday, her husband Michael Gelman — who is the executive producer of Live! with Kelly and Ryan — posted a health update to his Instagram, which said that the Class Mom author was "safely recovering after breaking her pelvis in a freak ski accident" and being transported to...

Tips

What is an example of proactive change?

What is an example of proactive change? Proactive Behavior For example, a company that takes a proactive stance would recall a faulty line of products rather than wait for customers to complain and deal with the issue down the road. What does proactive change mean? Proactive change management occurs when managers initiate the change from within, and plan ahead to avoid or manage future problems. What is the difference between planned change and reactive change? The reactive changes, unlike the planned changes are immediate responses or actions taken by the organization, due to the influencing changes developed in the operating...

Q&A

How much is a 5 gram Credit Suisse worth?

How much is a 5 gram Credit Suisse worth? Credit Suisse 5 Gram Gold BarsProductBest Price5 Gram PAMP Suisse Fortuna Gold Bar - With AssayAs Low As $330.39 Shop Now Is Credit Suisse real gold? Credit Suisse Gold Bars are one of the authorized forms of bullion for IRA investing. By placing real, physical gold inside of an IRA, Credit Suisse Gold offers diversification in your portfolio that is independent of fluctuations in stocks or bonds. Is Credit Suisse a good gold bar? The highly reputable Credit Suisse founded over 150 years ago is an international symbol of the excellent...

Popular

Does California have the worst drivers?

Does California have the worst drivers? LOS ANGELES (CBSLA) – A report has found that California drivers are among some of the worst in the United States, ranking as the fourth-worst state in the country in 2021. Drivers were evaluated on a four factor system: Accidents. Speeding Tickets. Does LA have the worst drivers? LOS ANGELES, CA — Although the pandemic may have cut down on people's driving during the last year, it didn't stop Californians from hitting the road and getting into accidents. A new report found California ranked 31st among the worst drivers in the United States. What...

Tips

What empires controlled Africa before colonization?

What empires controlled Africa before colonization? Some notable pre-colonial states and societies in Africa include the Ajuran Empire, Bachwezi Empire, D'mt, Adal Sultanate, Alodia, Warsangali Sultanate, Buganda Kingdom, Kingdom of Nri, Nok culture, Mali Empire, Bono State, Songhai Empire, Benin Empire, Oyo Empire, Kingdom of Lunda (Punu-yaka), Ashanti Empire, Ghana ... What empires existed first in western Africa? A succession of three great kingdoms came to power as their people, gained control of valuable trade routes in West Africa. Ghana was the first of these empires, followed by the kingdoms of Mali and Songhai. Historians think the first people in...

Miscellaneous

Is Wicked the Musical available to stream?

Is Wicked the Musical available to stream? You can stream “Wicked in Concert: A Musical Celebration” on all devices that the PBS app is available on, including Roku, Amazon Fire TV, Android Phone/Tablet, Android TV, Apple TV, iPhone/iPad, Google Chromecast, PlayStation, Xbox, and Web Browsers. Is Wicked the musical on Amazon Prime? Watch Wicked | Prime Video. How can I watch the wicked concert on PBS? SO PBS presents WICKED IN CONCERT: A Musical Celebration of the Iconic Broadway Score on Sunday, August 29, 2021 at 9:00 p.m. ET on SO PBS, PBS.org and the PBS Video App. Is Wicked...

Lifehacks

What is business logic in model?

What is business logic in model? 3 Model (Business Logic) The model represents the objects that implement your business logic. The objects process client data and return a response. Views and controllers invoke objects in the model. After the controller has read the request, objects in the model perform all the actual work in processing the request. What is BLL and DAL? In this Bolg we learn use of Class Library as BLL(BusinessLogicLayer), BO(BusinessObject) and DAL(DataAccessLayer) Layers. What is BLL programming? In programming, the Business Logic Layer (BLL) serves as an intermediary for data exchange between the presentation layer and...

Tips

What are the grade boundaries for an EPQ?

What are the grade boundaries for an EPQ? In 2019, the grade boundaries for the AQA EPQ were, out of a possible fifty marks, 45 for an A*, 40 for an A, 35 for a B, and 30 for a C. For Edexcel, the maximum mark is 54, in one of those wacky moves that exam boards make. What percentage is a * in A Level AQA? 90 per cent In A-level, grade A* is awarded to students achieving grade A overall and 90 per cent or more of the maximum uniform mark on the aggregate of the A2 units....

Lifehacks

Is there a saint called Sebastian?

Is there a saint called Sebastian? Sebastian, (died c. 288, Rome [Italy]; feast day January 20), early Christian saint popularized by Renaissance painters and believed to have been martyred during the persecution of Christians by the Roman emperor Diocletian. He is a patron saint of archers and athletes and of those who desire a saintly death. What is the symbol of Saint Sebastian? According to legend, Saint Sebastian was martyred by the Roman emperor Diocletian for his Christian faith. By the 16th century, artists were using Christian tales as an excuse to portray the humanistic nude body. The four arrows...