An equipment and drag by difference of density, employed in services of salvage markets and icamentos subaquaticos

• 1. 一种水利工程用水草打捞处理装置及其使用方法 [P] . 中国专利： CN113463596A . 2021-10-01
• 2. 一种水利工程用水草打捞设备 [P] . 中国专利： CN215518685U . 2022-01-14
• 3. Signal amplifier for telecommunications or sound studio equipment has two non-inverting operational amplifiers and subtraction stage employing complementary difference amplifiers [P] . 德国专利： DE19858078A1 . 2000-06-21

  机译： 用于电信或录音棚设备的信号放大器具有两个同相运算放大器和采用互补差分放大器的减法级

• 4. Phase difference measuring appts. for phase modulated equipment - employs frequency division and multiple comparator modules to extend system range and accuracy [P] . 德国专利： DE3913872A1 . 1990-11-08

  机译： 相位差测量装置。用于调相设备-采用分频和多个比较器模块来扩展系统范围和精度

• 5. super high efficiency generation equipment of electricity used magnetic flux density difference and electric clutch [P] . 韩国专利： KR20200090077A . 2020-07-28

  机译： 电力用磁通密度差和电离合器的超高效发电设备

• 1. End-user video-quality estimation based on a Reduced-Reference model employing activity-difference for IPTV services [C] . Yamada T., Miyamoto Y., Serizawa M. Digest of Technical Papers International Conference on Consumer Electronics (ICCE '09) . 2009
• 2. Towards a competitive Community-wide telecommunications market in 1992. Implementing the Green Paper on the development of the Common Market for telecommunications services and equipment. State of discussions and proposals by the Commission. COM (88) 48 final, 9 February 1988 [O] . 1988
• 3. A ROTATABLE EXTENDER FOR SERVICING ELECTRONIC EQUIPMENT EMPLOYING NUCLEAR INSTRUMENT MODULES [R] . J. B. Sevec, A. D. Stein 1973

• 1. 不同大气密度和阻力计算模型对低轨卫星轨道预报精度的影响 [C] . Wei Chunbo ,韦春博 ,Gu Defeng . 第九届中国卫星导航学术年会 . 2018
• 2. 不同放养密度和水草覆盖度下底埋培养基的克氏原螯虾池塘底泥微生物群落特征 [A] . 秦伟 . 2015