What does DR mean

DR refers to a new technology that directly perform digital X -ray photography under computer control, that is, the non -crystal silicon tablet detector converts the X -ray information that penetrates the human body into a digital signal, and it will be reconstructed by the computer and carried out a series of images. Later treatment. The DR system mainly includes the composition of the X -ray device, the direct conversion tablet detector, the system controller, the image monitor, and the image processing workstation.
The expansion data DR imaging speed is fast, the collection time is less than 10ms, and the imaging time is only 3 seconds. The radiological diagnosis physician immediately observes the image on the screen. It can be transmitted to the post -processing workstation in a few seconds to conduct a diagnosis report. The regular chest DR photo is about 5-10 minutes from the examination to the diagnosis report.

DR has high spatial resolution and low noise rate. The non -crystal silicon is directly converted into a electrical signal after receiving X -ray irradiation, which can avoid other imaging methods such as ordinary screen combination photos, CR and other light irradiation. The sharpness of the image caused by the phosphorus is reduced, so it can obtain high -clear images. And can get high -performance MTF curves.
Reference materials DR (DR) Baidu Encyclopedia

DR's full name Darry Ring is a romantic proposal diamond ring brand, which is affiliated to Shenzhen Derry Jewelry Co., Ltd.
This always interprets the brand concept of "lifetime · unique love" with a unique customization model of "men's life can only customize one". DR aims to provide a perfect diamond ring for each lover, leading the trend of true love with young, fashionable, and luxurious brand style.
DR proposal diamond ring men can only buy one for life, related rings, bracelets, earrings and other accessories can be purchased multiple times. For example, the wedding anniversary, or other meaningful days to buy it to you as a surprise. And send text messages on the anniversary you fill in.
Extension information:
DR originally originated from the fan group of DRRY RING (Darry Ring), a high -end romantic proposal diamond ring brand. Love is absolutely loyal.
DR diamond ring (Darry Ring) the world's first legendary contract: Each man can only customize one in his life with his ID card, which means "only love one person in your life".
Darry Ring's unique true love leads to the culture of fashion proposal. Behind the proposal ceremony, women not only need to find the romance of being cherished, but also eager to get a DR -style life only true love. Proposal can be said to be an indispensable sacred ritual in love. It is the most beautiful fantasy expectation in every woman's heart, and also symbolizes the opening of the marriage life of two people.
Reference materials: Baidu 100-DR

Hello, in the securities market, DR is the abbreviation of Receipt, that is, the deposit voucher, which is a relatively mature securities variety on the overseas market. Some investors may have heard of ADR or GDR.
Specifically, DR refers to securities issued by the depositor and based on overseas securities, which represent the securities and interests of the basic securities of overseas companies in one country or region securities market.
. Generally, DR involves multi -part subjects such as overseas basic securities issuers, depositors, custodians, and investors as DR holders. Among them, investors who are holders of DR essentially enjoy the rights and interests of overseas basic securities corresponding to DR. Basic securities are generally held by the depositors in their own name, and at the same time custody in the custodian of basic securities issuance.