The aim of this study is to analyze whether the stock prices decrease at ex-dividend date in Indonesia Stock Exchange (IDX) that is determined by amount of dividend drop-off Accessories ratio (DDR).This study also attempts to investigate the differences the stock prices decrease at ex-dividend date based on Investment Opportunity Set (IOS).Sample c

In shield tunnel boring machine constructions, backfill pressure affects surface settlement and the stability of other underground structures nearby.Therefore, it is essential to pre-calculate backfill pressure in the design stage.This Accessories study examines and compares the seven internationally known backfill pressure calculation theories and

To develop a device with broad functionality for treatment amblyopia.methods.Analysis of functionality and technical characteristics of devices for amblyopia treatment and the development of multifunctional apparatus.results.The full-color light transmitters (i.e., LEDs) are used in device.It provides the radiation withfull color spectrum.There are

According to the trajectory characteristics of hypersonic boost-glide vehicles, a tightly coupled integrated navigation algorithm for hypersonic vehicles based on Headwear the launch-centered Earth-fixed (LCEF) frame is proposed.First, the strapdown inertial navigation mechanization algorithm and discrete update algorithm in the LCEF frame are intr

The low productivity of buffalo herds and condemnation of carcasses in slaughterhouses Accessories due to tuberculosis lesions have resulted in increasing economic losses because these animals cannot be treated and must be destroyed by sanitary slaughter.Tuberculosis is a widely distributed zoonosis that affects the beef supply chain of the Brazili