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Dacheng
Dacheng Li, Nangang District Harbin CN
| Patent application number | Description | Published |
|---|---|---|
| 20090020589 | Ultrasonic brazing of aluminum alloy and aluminum matrix composite - A method of ultrasonic brazing metal matrix composite, which forms a reinforced composite bond without filling welding wire with reinforcement or adding alloy element to generate ceramic phase, includes the steps of setting a filler metal; introducing ultrasonic vibration to braze in air; dissolving the base materials, and introducing ultrasonic wave again. The method performs the aluminum brazing at low temperature. The periodic time of brazing is shorter and the cost is lower than the conventional brazing methods. The strength, service temperature and dimensional stability of the joint are close to the base article. | 01-22-2009 |
Dacheng Wang, Beijing CN
| Patent application number | Description | Published |
|---|---|---|
| 20110158941 | CRYSTALLINE RECOMBINANT INTERFERON WITH ALTERED SPATIAL CONFIGURATION, THREE-DIMENSIONAL STRUCTURE AND USES THEREOF - This invention provides a crystalline recombinant interferon (rSIFN-co) having (i) the same amino acid sequence as that of human consensus interferon, and (ii) altered three-dimensional structure as compared to IFN-α2b. The interferon of the present invention exhibits enhanced biological activities. The present invention also provides a structure model of said interferon useful for drug screening and/or drug design and the mimetic of said interferon. | 06-30-2011 |
Dacheng Yang, Shenzhen CN
| Patent application number | Description | Published |
|---|---|---|
| 20100197237 | CHANNEL ESTIMATION METHOD OF THE MOBILE COMMUNICATION SYSTEM BASED ON THE TIME DIVISION PILOT FIELD - A method of channel estimation of a mobile communication system based on a time division pilot field is disclosed. The method uses a transmitting end that transmits a time division pilot sequence having a cyclic prefix and a receiving end that transforms the time division pilot sequence into frequency domain using a fast Fourier transform module. Channel estimation is performed to obtain a channel frequency response estimation result. The receiving end transforms the channel frequency response estimation result back into time domain and obtains a channel impulse response estimation result. | 08-05-2010 |
Dacheng Yang, Sichuan CN
| Patent application number | Description | Published |
|---|---|---|
| 20080293808 | Non-Steroidal Androgen Receptor Modulators, Preparation Process, Pharmaceutical Composition and Use Thereof - Non-steroidal androgen receptor modulating compounds of the general formula (I), their pharmaceutically acceptable salts, preparation process and pharmaceutically compositions containing the said compounds are disclosed. Such compounds of the general formula (I) or their pharmaceutically acceptable salts can be used for preparing non-steroidal medicines to treat and/or prevent conditions or diseases such as prostatic hyperplasia, prostate cancer, hirsutism, severe hormone-dependent alopecia or acne, etc. as a result of androgen receptor antagonistic activities. | 11-27-2008 |
Dacheng Zhang, Beijing CN
| Patent application number | Description | Published |
|---|---|---|
| 20120072513 | METHOD AND SYSTEM FOR OBTAINING HOST IDENTITY TAG - A method and a system for obtaining a Host Identity Tag (HIT) are disclosed. The method for obtaining an HIT includes: receiving an update message that carries a newly generated HIT; and obtaining the newly generated HIT from the update message. In the method and system for obtaining an HIT above, the latest HIT and the current IP address of the host are obtained from the update message directly, or a third-party server is used to obtain the latest HIT according to the mapping relationship between the new HIT and the old HIT. In this way, normal communication may be performed. | 03-22-2012 |