硼粉 的英文怎麼說
中文拼音 [péngfěn]
硼粉
英文
boron metal powder-
In order to prepare low dielectric constant glass powder, we use sio2, boracic acid etc as raw material to prepare glass powder. the result of testing is : its dielectric constant is about 4. 0, and it is suit for our experiment
作為低介常數的玻璃粉料,採用sio2 、硼酸等為原料,通過熔融、研磨製得了玻璃粉料,其介電常數約為4 . 0 ,介質損耗為10 10 4 。Borax must be reduced to powder for infants
硼砂必須研成細粉才能供嬰兒使用。Using in situ formation of ternary boride base cermets hard phases through chemical reactions and sinterbonding onto steel substrates though liquid sintering we successfully prepared a kind of ternary boride base cermet
摘要通過化學反應將原料粉來生成三元硼化物硬質相併通過液相燒結燒與鋼很好的結合,用這種工藝成功地在鋼基體上塗覆了預壓制的三元硼化物基金屬陶瓷。Studies on dynamics of boron and magnesium nutrients during fruit development of parthenocarpy and self - pollinated citrus cultivars
單性結實和自花授粉結實柑橘果實發育中硼鎂營養動態的研究Influence of powder pressed pyrophyllite and its roasting technology on cbn monocrystal synthesizing
粉壓葉臘石及其焙燒工藝對合成立方氮化硼單晶的影響Besides the professional production of smco magnets of all specifications, ngyc also manufactures all kinds of agglutinate smco magnetic powder, ndfeb magnets and other magnetic application devices and concurrently also sells alnico magnets, ferrite magnets, magnetic rubber and agglutinate ndfeb
寧港永磁ngyc除專業生產各種性能釤鈷磁鐵外,還生產各種粘結釤鈷磁粉釹鐵硼磁鐵,各種磁應用器件,還兼營鋁鎳鈷磁鐵,鐵氧體磁鐵,橡塑磁,粘結釹鐵硼等業務。It mainly includes new - type cement and wall - building material with coal gangue, industrial waste and fly ash as the raw material ; neody mi um - iron - boron material, nano - material, fire - resistance material, kaolin earth material, high - performance ceramic and fiber material, magnetic material, silicon - manganese alloy, and other nonferrous metal materials, along with production technologies of green environmental, clean materials and so on
以煤矸石、粉煤灰、工業廢渣為原料的新型水泥和新型墻體材料、釹鐵硼材料、納米材料、耐火材料、高嶺土材料、高性能陶瓷和纖維材料、磁性材料、硅錳合金等有色金屬新材料,以及綠色環保、清潔材料的生產技術等。Changes in concentrations of boron ( b ) and magnesium ( mg ) in the ovary ( fruitlet ), rind and pulp of fruit were investigated throughout fruit development of parthenocarpic kamei satsuma mandarin ( citrus unshiu marc. ) and self - pollinated egan 1 tangerine ( c. reticulata blanco ). the results showed as follows : 1 ) b concentrations in the ovary of kamei were at high levels before flowering and at full bloom, and decreased after flowering, whereas that of egan 1 was relatively low at full bloom, thereafter significantly increased. no significant differences were observed in mg changes in the ovary ( fruitlet ) between the two cultivars, which presented decreasing trends after flowering. 2 ) minor changes of b concentrations in the rind of the two cultivars were detected, remarkable changes were found for b in the pulp, which came to the peak values during the stage of fruit enlargement. mg concentrations were relatively high in the rind and pulp of the two cultivars during early fruit development, and presented obviously declining trends during the middle and late stage of fruit development
以單性結實的龜井溫州蜜柑和自花授粉結實的鄂柑1號橘為試材,對整個果實發育期的子房(幼果) 、果皮和果肉的硼鎂含量變化進行了測定.結果表明: 1 )龜井花前至花期子房硼含量就已較高,花後下降;而鄂柑1號花期子房硼含量相對較低,花後有一顯著上升;兩品種子房(幼果)鎂含量變化無明顯差異,花后均趨下降. 2 )兩品種果皮硼含量變幅較小,而果肉硼含量變幅相對較大,且均在果實膨大期出現明顯的上升高峰;兩品種果皮和果肉鎂含量在果實發育前期均相對較高,在果實發育的中後期則趨明顯下降The aluminum may be replaced at least in part with finely particled zinc, zirconium, boron, or magnesium.
鋁粉至少可以部分地用細粒度的鋅、鋯、硼或鎂所代替。Alumina powder - part 3 : methods of chemical analysis - 10 : determination of boric oxide content
礬粉.第3部分:化學分析方法.第10節:氧化硼含量測定Effect of nanometer - sized b powder on phase formation of polycrystalline mgb
2相形成中納米尺寸硼粉的作用Boron coated with different content ap on the rheological properties of the slurry containing 30 % boron have been carried out with the help of the sv2 / sv2fl measuring system in haake rotary viscometer. the experimental results reveal that the rheological properties of the slurry of boron coated with 20 % ap is best, namely, the slurry has a good levelability and a long pot life. the optimum conditions in the preparation of the boron - based propellant with 30 % boron in weight were obtained, and a technical and theoretical foundation has been established for the formulae determination
3 、用進口haake旋轉粘度儀對不同包覆硼粉在硼含量為30以上的實驗配方藥漿中的流變特性研究,篩選出用20 ap包覆的硼粉所製成的藥漿不僅流平性好而且適用期長,同時找到了含硼量為30的高含硼量推進劑藥漿成功研製的成熟工藝過程及條件,為配方的進一步定型奠定了較扎實的技術和理論基礎。The preliminary research on cabbage pollens sprouting in vitro
甘藍花粉萌發離體培養最佳蔗糖硼酸配方初探Main products include : segment ferrite magnet, sintered permanent ferrite magnet, bonded permanent magnetic powder, alnico granule, ferrite granule, magnetic door gaskets, hard pvc profiles, pvc granule, sintered ndfeb magnet - arc shape, sintered ndfeb magnet, and flexible rubber magnet, which are widely used in aerospace, telecommunication, car, home appliances, toys, and office. over the past few years, we have earned excellent reputation from satisfied customers at home and abroad
公司的主導產品為:永磁鐵氧體磁瓦燒結永磁鐵氧體磁鐵粘結永磁鐵氧體料粉alnico匯聚片粒料注射成型用各類同性異性尼磁粒料及磁體磁性門封硬pvc型材pvc粒料燒結釹鐵硼磁體及橡塑磁體,廣泛應用於航天航空電訊電聲汽車配件家用電器玩具文教和辦公用品。Methods for chemical analysis of nuclear - grade boron carbide powder. determination of iron content
核級碳化硼粉末化學分析方法.鐵量的測定Methods for chemical analysis of nuclear - grade boron carbide powder. determination of oxygen content
核級碳化硼粉末化學分析方法.氧量的測定Methods for chemical analysis of nuclear - grade boron carbide powder. determination of total carbon content
核級碳化硼粉末化學分析方法.總碳量的測定Methods for chemical analysi of nuclear - grade boron carbide powder. determination of uncarbonized boron content
核級碳化硼粉末化學分析方法.游離硼量的測定Standard specification for nuclear - grade boron carbide powder
核純級碳化硼粉末標準規范Methods for chemical analysis of nuclear - grade boron carbide powder. determination of total boron content
核及碳化硼粉末化學分析方法.總硼量的測定分享友人