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(조선,해양) 기장설계업무일반 2 2009.09.30해당카페글 미리보기
PROTECTION SYSTEM 1) 원리 S.W. STRAINER 또는 SEA CHEST에 COPPER, ALUMINIUM, PURE, IRON, ALUMINIUM-BRASS 혹은 CUPRO...양극(ANODE)으로 하고 PIPE LINE 이나 PIPE의 표면은 음극(CATHODE)으로 작용하여 전기 분해에 의해 양극 자체가 서서히 녹아...
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고철비철시세동향및LME.국제원자재가격동향8월31# 2011.08.31해당카페글 미리보기
것으로 알려졌다. 7월 수출량은 33,254 ton 으로 10개월 연속 감소하고 있는 것으로 알려졌다. 2011년 7월까지의 refined copper 의 수출량은 348,373 ton 이며 7월 cathode 수출량은 30,918 ton 이었던 것으로 알려졌다. 3. 일본의 7월 Zinc 수출량이...
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250W SMPS With Power FETs 2006.12.28해당카페글 미리보기
und cathode D3 against Gnd Phase 3: If everything is all right up to now, one can proceed with the exciting test at 230 Vac. The laboratory power supply, the 48 V transformer, the measuring instruments and all provisional cable links...
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차아염소산나트륨(락스) 2020.04.12해당카페글 미리보기
as copper, nickel, cobalt,[17] and iridium.[19] Catalysts like sodium dichromate Na 2Cr 2O 7 and sodium molybdate Na 2MoO 4 may be added industrially to reduce the oxygen pathway, but a report claims that only the latter is effective.[17...
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부식 2016.11.23해당카페글 미리보기
and cathode directly affects the corrosion rates of the materials. Galvanic corrosion is often prevented by the use of sacrificial anodes. Galvanic series[edit] Main article: Galvanic series In any given environment (one standard medium...
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산화·환원 반응 2016.11.23해당카페글 미리보기
red(cathode) + E0 ox(anode) Examples of redox reactions[edit] Illustration of a redox reaction A good example is the reaction between hydrogen and fluorine in which hydrogen is being oxidized and fluorine is being reduced: H 2 + F 2 → 2...
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원자(atom) 2016.01.08해당카페글 미리보기
all copper atoms contain 29 protons. The number of neutrons defines the isotope of the element.[3] The number of electrons influences the magnetic properties of an atom. Atoms can attach to one or more other atoms by chemical bonds to...
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Galvanic corrosion 2016.11.23해당카페글 미리보기
as part of a galvanic couple, promoting corrosion of the anode, while protecting the cathode metal. In other cases, such as mixed metals in piping (for example, copper, cast iron and other cast metals), galvanic corrosion will contribute...
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중정석 2018.02.13해당카페글 미리보기
in cathode ray tubes); and for dielectrics. Historically baryte was used for the production of barium hydroxide for sugar refining, and as a white pigment for textiles, paper, and paint.[2] Although baryte contains a "heavy" metal...
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Cathodic protection 2016.11.23해당카페글 미리보기
the cathode (the target structure to be protected). The table below shows a simplified galvanic series which is used to select the anode metal.[11] The anode must be chosen from a material that is lower on the list than the material to...