黑硅石 的英文怎麼說
中文拼音 [hēiguīdàn]
黑硅石
英文
chert-
The studies indicate that different content of pyrophyllite and dolomite can cause the following three cases : ( 1 ) making the refractory point decrease linearly and, to some extent, influencing the microstructure and properties of sintered body ; ( 2 ) acceleratingmullite formation during sintering, reducing thermal expansion coefficient of bond, reinforcing the matching nature and improving the flexural strength and shock strength ; ( 3 ) preventing sic grinding tool from generating black core, expanding suitable sintering temperature range of sic grinding tool
同時,也不同程度地影響了磨具燒結體的微觀結構和性能; ( 2 )可促進在燒結過程中莫來石的形成,降低結合劑的熱膨脹系數,加強了結合劑與磨料的匹配性,提高了磨具的抗折強度和抗沖擊強度; ( 3 )在一定溫度范圍內還可防止碳化硅磨具出現黑心現象,拓寬了碳化硅磨具的燒結溫度適應范圍。Industrial practice of producing ultra - fine silica from wollastonite
利用硅灰石制備超細白炭黑工藝實踐New silicone flame retardant potting compound was prepared by blending of ltv silicone rubber as base gum with diluent, crystalline quartz filler, chain extension agent, crosslinking agent, inhibitor, carbon black and platinum catalyst
以中溫硫化硅橡膠(以下簡稱ltv硅橡膠)為基膠,混入稀釋劑、石英粉、鏈增長劑、交聯劑、阻聚劑、炭黑及鉑催化劑等組分,制得新型有機硅阻燃灌封料。Abstract : new silicone flame retardant potting compound was prepared by blending of ltv silicone rubber as base gum with diluent, crystalline quartz filler, chain extension agent, crosslinking agent, inhibitor, carbon black and platinum catalyst
文摘:以中溫硫化硅橡膠(以下簡稱ltv硅橡膠)為基膠,混入稀釋劑、石英粉、鏈增長劑、交聯劑、阻聚劑、炭黑及鉑催化劑等組分,制得新型有機硅阻燃灌封料。Obsidian is a semi translucent to opaque natural glass formed by volcanic activity. its color is usually smoky brown to black or sometimes a mixture of both
黑曜石obsidian屬於火成巖的一種,很多人都以為黑曜石並不屬於水晶,但是黑曜的成分也是sio2二氧化硅為主。It is also used in the manufacture of silica gel, silica, molecular sieve, zeolite etc. the application of sodium silicate will be further broadened in the future
在化學工業中,硅酸鈉被廣泛用於製作硅膠、硅熔膠、白碳黑、分子篩、沸石等原料。Green colour, its hardness is only second to diamond and boron carbide. its hardness and brittleness are higher than c
綠色,硬度僅次於碳化硼和金剛石,比黑碳化硅硬度和脆性略高。The above sharpening - stone are made of the blank silicon - carbide and green silicon - carbide with the vitrified bond. and are available for bro ceaaing all kinds of stone materials and floors. for the finer grain sizes, they can be also used in sharpening of the cutting tools
此種磨石採用黑碳化硅、綠碳化硅、棕剛玉為原料,用陶瓷結合劑製作而成,適用於各種石材、地面的研磨,粒度較細的,也可用來磨礪刀具。The results showed that polygorskite / nbr composite made by mechanical blending was nano - composite, the properties of nbr composite filled with 35 quantities of polygorskite were tantamount to those filled with 30 quantities of half - reiforced black carbon, and properties of polygorskite / nbr composite could be improved by using coupling agent silane to modify polygorskite
試驗表明:機械共混能夠使坡縷石與丁腈橡膠達到納米級復合;坡縷石用量達35份時其補強效果與30份半補強碳黑相當;用硅烷偶聯劑等對坡縷石進行改性,可以改善坡縷石與丁腈橡膠復合材料的物理機械性能。Abstract : the resource characteristics such as the composition, texture, structure and the prospects of industrial utilizations included white carbon black, alc13, 4a zeolite, al - si alloy and rubber filler of coal - series kaolinite in huainan and huaibei mining area were introduced
文摘:在分析了兩淮煤系高嶺巖礦石的結構和構造、礦物成分、化學成分、熱變性等性質的基礎上,探討了兩淮煤系高嶺巖資源在白炭黑、氯化鋁、 4a沸石、鋁硅系列合金、功能性填料等工業應用前景。分享友人