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渣漿泵黃金的工業(yè)用途
黃金的工業(yè)用途是從20世紀(jì)50年代初隨著高科技的發(fā)展才形成的，主要用于電子工業(yè)、信息產(chǎn)業(yè)、航空和宇航等工業(yè)中。黃金被現(xiàn)代工業(yè)應(yīng)用的原因是其具有許多優(yōu)良的特性，如化學(xué)穩(wěn)定性、耐腐蝕、不氧化、導(dǎo)電性和對太陽光的熱反射性等。
①在電子和信息工業(yè)中的應(yīng)用。黃金被廣泛地用于電子、電器和通信工業(yè)的設(shè)備和耗材中，如電話機(jī)、程控交換機(jī)、電視機(jī)和無線通信器材等的繼電器、固體電路微型集成塊、插接件、高頻開關(guān)等，使用純金或鍍金材料，可保證其接點(diǎn)可靠，以及反復(fù)連通或切斷的轉(zhuǎn)換性能。
②在航空航天工業(yè)中的應(yīng)用。黃金可使安裝在噴氣式飛機(jī)，宇航飛行器、導(dǎo)彈上的電了系統(tǒng)與地面接收系統(tǒng)之間發(fā)出的指令和信號在通過聯(lián)結(jié)器傳送到接收器的過程中，不會發(fā)生千分之一秒的中斷;在宇航站的外殼上加裝鍍金鋁塑隔熱反射屏后，可使站內(nèi)溫度由43C降到24"C;在宇航服上鍍一層厚0.2yum的金，可使宇航員在太空行走時免受紅外線的熱輻射等。
③在軍事工業(yè)中的應(yīng)用?？墒褂命S金制造各種用途的紅外線探測器和反彈道導(dǎo)彈裝備;在航海望遠(yuǎn)鏡上鍍金，可使望遠(yuǎn)鏡無需擦洗，長期保持清晰。
④在化學(xué)工業(yè)中的應(yīng)用。在化學(xué)工業(yè)中，黃金主要作催化劑使用，精細(xì)制備的黃金載體催化劑具有高活性和選擇性，而且比其他任何催化劑的工作溫變都低;納米級金載體催化劑催化活性強(qiáng)，
可降低一些化學(xué)化應(yīng)的反應(yīng)溫度:以黃金為原料生產(chǎn)的金鹽是電鍍工業(yè)的主要原料:黃金常被用作化工設(shè)備的安全膜。
⑤在紡織工業(yè)中的應(yīng)用。黃金合金是制造化學(xué)纖維生產(chǎn)設(shè)備噴絲頭的首選材料;扁平的鍍金絲在棉線或絲線上，常被用于高貴紡織品的花邊或鑲邊;黃金作絲綢上印金敷彩技術(shù)的原料。
⑥在陶瓷和玻璃工業(yè)中的應(yīng)用。黃金可作陶瓷和玻璃工業(yè)中的著色劑。將金、鉍、銠合金溶解于芳香油中制成“金水”，作為染料，在高檔瓷器、搪瓷和工藝瓷器釉面上繪制花紋圖案，經(jīng)煅燒即成金邊或金色花紋圖案;氯化金用于裝飾瓷器的紅、紫釉底色;在弱酸性氯化金的稀溶液中加入氯化錫溶液制成的紫紅色膠體，是紅色玻璃的著色劑等。
⑦在建筑裝飾中的應(yīng)用。黃金可用于建筑裝飾，以顯示建筑物的豪華;另常用于建筑玻璃的防護(hù)材料，可反射太陽光的熱輻射。
⑧在日用品工業(yè)中的應(yīng)用。黃金是制造加熱和干燥設(shè)備紅外線輻射器的良好材料:還常用于金筆、表殼、表帶、眼鏡架等日用品的生產(chǎn)中。
(3)黃金用于制造首飾
黃金具有高化學(xué)穩(wěn)定性、美麗的顏色等優(yōu)良的特性和觀賞收藏價值，故常將黃金用于制作首飾、飾品和各種器物等。目前，全世界每年都要用大量黃金制作首飾，約占制造業(yè)總用金量的80%。
(4)黃金用于醫(yī)療
黃金可用于治病和長壽的藥物，金可用于治療肺結(jié)核和關(guān)節(jié)炎。另外，金廣泛用于牙科材料、針灸材料和人體植入材料等。如金可用于鑲牙，制造針灸中的14K金針，用作埋入式心臟起搏器的材料，用作視覺、聽覺、疼痛等多種神經(jīng)修復(fù)刺激裝置的材料等。
4銀的主要用途是什么?
銀除了作貨幣外，在現(xiàn)代工業(yè)和醫(yī)療中也具有廣泛的用途。
(1) 銀用作貨幣
銀和金一樣，具有許多優(yōu)良的理化性質(zhì)和自然屬性:呈銀亮色，具美學(xué)價值;產(chǎn)量和儲量少;呈固態(tài)，有良好延展性，易于制形:密度大、體積小，便于攜帶和儲藏;易于分割與合并;有儲存價值。因此，銀在古代就被用作貨幣。由于黃金貴重，所以黃金作主幣，白銀作輔幣。
(2)銀用于制作首飾等飾品
由于白銀具有月光般美麗的顏色、柔軟的質(zhì)地、較好的耐腐蝕性、良好的延展性和銀白光亮的色澤，因此常用于制作各種飾品和銀制餐具，如銀盆、銀碗、銀匙、酒杯以及項鏈、戒指、手鐲等。
(3)銀在醫(yī)療中的應(yīng)用
在外科方面，銀基合金材料廣泛用于牙科鑲嵌、修復(fù)和材料焊接，銀合金可用于針灸的材料，氯化銀是制作醫(yī)用光纖的材料;在醫(yī)學(xué)診斷和檢測方面，鹵化銀是良好的光敏材料，用于制作感光成像材料，因此廣泛用于醫(yī)療診斷器材，如醫(yī)用X光片、CT片和核磁共振成像片等，以銀為材料的電極可制作生物傳感器，用于血液檢測;在醫(yī)藥學(xué)方面，銀具有消毒殺菌作用，并可用于水、葡萄酒、醋和奶的保鮮。
(4)銀的工業(yè)用途
①在宇航、電子電器工業(yè)中的應(yīng)用。銀具有良好的導(dǎo)電、導(dǎo)熱性能以及良好的化學(xué)穩(wěn)定性和延展性，故可用于宇航工業(yè)中，如航天飛機(jī)、宇宙飛船、衛(wèi)星和火箭上的導(dǎo)線:在電子和電器工業(yè)中，可作為導(dǎo)體材料、電接觸材料和銀電池等，用于計算機(jī)、電話機(jī)、電視機(jī)和雷達(dá)等的集成電路、印刷線路、開關(guān)電路。
②銀用作感光材料。 銀對光縣有很強(qiáng)的收感性， 是最好的光前物質(zhì)。因此可用于感光材料，制作黑自和彩色膠片、干版和相紙等。
③在化工領(lǐng)域的應(yīng)用。化學(xué)渡銀是一種電化學(xué)離子反應(yīng)過程，也稱“銀鏡反應(yīng)”可在非會屬材料上鍍銀，如制鏡工藝就是在玻 渣漿泵廠家
璃上鍍銀，廣泛應(yīng)用于醫(yī)療器械、顯微鏡、望遠(yuǎn)鏡的制造中，用于耐破材料，如制造燒破用的堿鍋，制造實驗室熔融氨氧化鈉和氫氧化鉀的銀坩堝等;生產(chǎn)硝酸銀，可用于人工降雨、化學(xué)分析、醫(yī)藥及膠片沖洗等。
Industrial use of slurry pump gold
The industrial use of gold was formed in the early 1950s with the development of high technology, mainly used in electronic industry, information industry, aviation and aerospace industries. The reason why gold is used in modern industry is that it has many excellent properties, such as chemical stability, corrosion resistance, non oxidation, conductivity and thermal reflection of sunlight.
Application in electronic and information industry. Gold is widely used in equipment and consumables of electronic, electrical and communication industries, such as relays, solid-state circuit micro integrated blocks, connectors, high-frequency switches for telephones, program-controlled exchanges, televisions and wireless communication equipment, etc. the use of pure gold or gold-plated materials can ensure the reliable contact, as well as the repeatedly connected or cut-off conversion performance.
Application in aerospace industry. Gold can make the instructions and signals sent between the electric system installed on the jet aircraft, aerospace vehicle and missile and the ground receiving system transmit to the receiver through the coupling without interruption of one thousandth of a second; after the gold-plated aluminum-plastic heat-insulating reflective screen is installed on the outer shell of the space station, the temperature in the station can be reduced from 43c to 24 "C; a layer of 0.2y thick is plated on the space suit The gold of UM can protect astronauts from infrared radiation when they walk in space.
Application in military industry. Gold can be used to make infrared detectors and Anti Ballistic Missile Equipment for various purposes; gold plating on navigation telescope can make telescope clear for a long time without scrubbing.
Application in chemical industry. In the chemical industry, gold is mainly used as catalyst. The finely prepared gold support catalyst has high activity and selectivity, and its working temperature is lower than any other catalyst. The nanometer gold support catalyst has strong catalytic activity,
It can reduce the reaction temperature of some chemical reactions: the gold salt produced with gold as raw material is the main raw material of electroplating industry: gold is often used as the safety film of chemical equipment.
Application in textile industry. Gold alloy is the first choice material for the spinneret of chemical fiber production equipment; flat gold-plated silk is often used for lace or edging of noble textiles on cotton or silk threads; gold is used as the raw material for gold printing and color coating technology on silk.
Application in ceramic and glass industry. Gold can be used as a colorant in the ceramic and glass industries. Gold, bismuth and rhodium alloy are dissolved in aromatic oil to make "golden water", which is used as dye to draw patterns on the glaze of high-grade porcelain, enamel and craft porcelain. After calcination, the patterns can be made into golden border or golden pattern. Gold chloride is used to decorate the red and purple glaze background color of porcelain. Purple red colloid made of tin chloride solution is added into the dilute solution of weak acid gold chloride, which is the color of red glass Color agent.
Application in architectural decoration. Gold can be used for building decoration to show the luxury of buildings; it is also often used as a protective material for building glass, which can reflect the heat radiation of sunlight.
⑧ application in commodity industry. Gold is a good material for making infrared radiator of heating and drying equipment. It is also often used in the production of daily necessities such as gold pen, watch case, watch belt, glasses frame, etc.
(3) gold is used to make jewelry
Gold has high chemical stability, beautiful color and other excellent characteristics and ornamental collection value, so it is often used to make jewelry, jewelry and various artifacts. At present, a large amount of gold is used to make jewelry in the world every year, accounting for about 80% of the total amount of gold used in the manufacturing industry.
(4) gold for medical treatment
Gold can be used as medicine for curing diseases and longevity, and gold can be used for treating tuberculosis and arthritis. In addition, gold is widely used in dental materials, acupuncture materials and human implant materials. For example, gold can be used for inlaying teeth, making 14K gold needle in acupuncture, as the material of embedded cardiac pacemaker, as the material of vision, hearing, pain and other nerve repair stimulation devices.
What is the main purpose of silver?
In addition to being used as currency, silver is also widely used in modern industry and medical treatment.
(1) silver as currency
Like gold, silver has many excellent physical and chemical properties and natural attributes: silver bright color, with aesthetic value; less output and reserves; solid state, good ductility, easy to form: large density, small volume, easy to carry and store; easy to separate and merge; storage value. Therefore, silver was used as money in ancient times. As gold is precious, gold is the main currency and silver is the secondary currency.
(2) silver is used to make jewelry and other ornaments
Because silver has beautiful color like moonlight, soft texture, good corrosion resistance, good ductility and silver white bright color, it is often used to make various jewelry and silver tableware, such as silver basin, silver bowl, silver spoon, wine cup, necklace, ring, bracelet, etc.
(3) application of silver in medical treatment
In surgery, silver based alloy materials are widely used in dental inlay, repair and material welding. Silver alloy can be used in acupuncture and moxibustion. Silver chloride is the material for making medical optical fiber. In medical diagnosis and detection, silver halide is a good photosensitive material for making photosensitive imaging materials. Therefore, it is widely used in medical diagnostic equipment, such as medical X-ray film, CT film and nuclear magnetic resonance imaging The electrode made of silver can be used to make biosensor for blood detection; in medicine, silver has the function of disinfection and sterilization, and can be used for the preservation of water, wine, vinegar and milk.
(4) industrial use of silver
① application in aerospace, electronic and electrical industry. Silver has good conductivity, thermal conductivity, chemical stability and ductility
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