类似的,由公式13 \begin{align} \sigma_{N_{\rm{HI}}} &= \frac{16\pi}{3 h\nu_{\rm{HI}}A_{\rm{HI}}} \frac{\sigma_S}{\Omega_{bm}}(1+z)^4 \\ &=2.64 \times 10^{20}(1+z)^4\left(\frac{\sigma_S}{\mathrm{JyHz}}\right)\left(\frac{\Omega_{\mathrm{bm}}}{\oper...
The inner diameters of the coils should be larger than 20 times the outer diameters of the cables. When stripping the jackets of cables, avoid damaging the shield layers (braid or aluminum foil), insulation, core conductors, and other jackets that do not need to be stripped. After assembling...
Coil cables longer than 2 m (6.56 ft) after cutting. Bind and fasten the coils using bundling ropes. The inner diameters of the coils should be larger than 20 times the outer diameters of the cables. When stripping the jackets of cables, avoid damaging the shield layers (braid or aluminum...
6 edgertronic SC2X Sanstreak / edgertronic 1,910fps @1920*1088 Full HD 20,132 fps @ 1920 x 96 + Overclock! No Crop $15,990.00 $8.37 2017 7 RX100 VA Sony 250fps @ 1,824×1,026 1000fps @ 1,244×420 No Crop/Improved AF/Speed! $829.00 $3.31 2018 8 RX100 V Sony 250fps @ 1...
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There are times I feel like I am going in circles trying to decorate my house, so many ideas jumping around in my head, and I can’t seem to pull it all together, like a lot of people I am budget minded always looking to get a great deal when shopping. I moved into my current ...
You can filter for flexibility, number of stops, airline, and departure/arrival times to find the best flight for you. The cheapest month to fly May is the cheapest month to fly to Maui. This coincides with the low season when fewer people travel. Whichever month you travel in, though, ...