Designation: C 475 – 94 Standard Speciﬁcation for Joint Comp

Standard Speciﬁcation forPortland Cement1 pot

... this speciﬁcation, perform sampling and testing in accordance with Practice C 183. 8.2 Practice C 183 is not designed for manufacturing quality control and is not required for manufacturer’s certiﬁcation. 9. ... percentages of tricalcium silicate, dicalcium silicate, tricalcium aluminate, and tetracal- cium aluminoferrite shall be calculated from the chemical analysis as follow...

Ngày tải lên: 28/06/2014, 10:20

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Tài liệu Cabling Standard - TIA 607 - Commercial Building Grounding and Bonding Requirements for Telecommu doc

... TELECOMMUNICATIONS GROUNDING AND BONDING INFRASTRUCTURE The electrical service entrance is outside the scope of this Standard and is grounded and bonded in accordance with all applicable electrical ... electrode system for the telecommunications infrasfructure • the central attachment point for telecommunications bonding backbones (TBB) and equipment, and is located such...

Ngày tải lên: 10/12/2013, 02:15

7 594 2

A Study of Channel Estimation for OFDM Systems and System Capacity for MIMO-OFDM Systems

... Results and discussion 124 5.2 The closed-loop capacity with imperfect feedback channel for MIMO-OFDM systems 127 5.2.1 System Model 128 5.2.2 Closed-Loop Capacity and Feedback SNR for MIMO-OFDM ... imperfect feedback channel is investigated. In Chapter 6, the capacity variances for OFDM systems over Rayleigh and Ricean fading channels are derived, respectively. Finally,...

Ngày tải lên: 20/11/2012, 11:28

205 640 2