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cell ageing SEI

  before the Lithium battery can be used, cell ageing must be done, which takes 10 to 12 days Lifetime degradation: 美國能源部的一種強大 X 光分析儀,觀測鋰電池充放電過程後,發現在電解液裡的氫分子,會慢慢的與電池陰極的脫鋰氧化物起反應,氫分子占據了鋰離子的位置,讓鋰離子無法回到陰極,而造成電池衰退。 也就是說在這段感情裡,變心的不是外出工作的鋰離子,而是原本在等待鋰離子回來的陰極材料(磷酸鐵、鎳鈷錳這些金屬),和碳酸酯電解液中的氫分子在一起了。或許大家之前都錯怪了鋰離子,而沒有看見真正的元兇是氫分子。 Technews

Gaggia espresso machine maintenance

This applies to both baby Gaggia and gaggia classic machines baby Gaggia VERSIONS: 1970s or original (with an adjustable thermostat)  baby Gaggia was for home espresso market, and was introduced (1977) earlier than gaggia classic (1991) baby gaggia old , millenium or baby 1991 : baby gaggia old restoration  ( use internet archive)   Cerinicoffee Enco-vending  baby gaggia new:   11200 (black) 11202(white)  square buttons and light explosion diagram OPV can be adjusted from water outlet, located on the ceiling of the water reservoir, using: 3/16 hex key water boiler water inlets and outlets:   karine oliver blog     RI8155/12 , with 4 round buttons and lights - water reservoir moved to top of backside R12300 baby class ( stainless steel casing) or RI8157/40 or new baby 06 - disc shaped button panel Tom Brasier's wiring diagram BABY 06 TWIN SIN031MDR-RI8159 How to program the baby twin baby dose and twin is having swivel joint steam wand ...

coffee roasting basics

  23:54 coffee physical and colour changes roast profile, 烘焙度     phases roast by color and smell

to roast coffee using a microwave oven

 waveRoaster microwave popcorn maker. 

vadouvan spice

  vadouvan 在法文是「經過太陽曬乾的香料」之意,誕生於南印度法國殖民時期,由法國料理中常見的洋蔥、紅蔥、大蒜與印度咖哩粉組成,光想像就讓人口水直流。 INGREDIENTS 2 pounds onions, cut into 1-inch pieces 洋蔥 1 pound shallots, halved紅蔥 12 garlic cloves, peeled蒜頭 1/4 cup vegetable oil 1 teaspoon fenugreek seeds葫蘆巴籽 1 tablespoon thinly sliced fresh curry leaves (optional) 1 tablespoon ground cumin孜然 1 teaspoon ground cardamom小 荳蔻 粉 1 teaspoon brown mustard seeds 3/4 teaspoon turmeric黃薑 1/2 teaspoon grated nutmeg肉荳蔻 1/2 teaspoon hot red-pepper flakes 1/4 teaspoon ground clove丁香 quoted as french style curry spice or marsala spice with chicken epicurious wiki  Nom mag

to make an analemma sundial

goto SHC Sundial Design voila !: sundial design softwares 1 sundial design softwares 2  (down) DeltaCad   illustrating shadows   blocklayer Android: TpSol   Solar Info  Sol Et Umbra Stallinga   how to observe precisely equinox  

Equation of Time 均時差

sun time vs clock time     it is due to  i) the plane of the Equator is not the same as the plane of the Earth's orbit around the sun, but is offset from it by the angle of obliquity, and ii) the orbit of the Earth around the sun is an ellipse and not a circle, and the apparent motion of the sun is thus not exactly equal throughout the year.   Positive values when a sundial appears faster compared to a clock showing local mean time; negative when slower   sundials uk oarval wiki  usno navy mil archive codeproject in c# wikipedia