的英文怎麼說

中文拼音 [péng]
英文
名詞[化學] (非金屬元素) boron (b)
  1. It is resistant to borohydride reduction in alcoholic solvents.

    在醇溶劑中,它不能被氫化物還原。
  2. On the interaction of alizarin red s with borax and spectrophotometric determination of copper

    砂相互作用及其分光光度法測定銅
  3. At present, most soda water exploited in the world is from hot spring, but the alkalescent soda water of our company from cold spring is quite rare, for it contains boron and another 17 beneficial microelements

    目前,世界發現或開發的天然蘇打水,多數屬于溫泉,而本公司開發的弱堿性天然蘇打水是冷泉,而且含和人體必需、有益微量元素17種,實屬罕見。
  4. Special industrial ceramic 、 magnet material and machining parts, such as zirconia, alumina, ndfeb and alnico products

    特殊工業陶瓷、磁性材料及製品,包括氧化鋯、氧化鋁材料製作的機械件,釹鐵、鋁鎳鈷材料製作的永磁零件。
  5. We have shown that it is possible to create a radioactivity characterized by the emission of positive or negative electrons in boron and magnesium, by bombardment with alpha rays

    我們已經展示了人工放射現象的可能性,這種放射現象的特徵是用以射線轟擊用咄和鎂中的正電子或負電子。
  6. Process on the synthesis of substituent aryl boronic acid compounds

    取代芳環酸化合物的合成進展
  7. This study adopted the ion compound antibacterial to produce the materials of antibacterial glass. two kinds of different carriers are used in this experiment, phosphate and borate system. the antibacterial glass material, which is added ag +, zn2 + through some carriers, has excellent antibacterial property against escherichia coli and staphylococcus aurous

    實驗中採用兩種不同的玻璃載體體系,即磷酸鹽載體和硅酸鹽載體,將銀、鋅離子以一定的方式直接加入到玻璃生產的配合料中,一次性熔製成形,能夠制備出對大腸桿菌、金黃色葡萄球菌等細菌具有良好抗菌效果的抗菌玻璃材料。
  8. Zmd catena of self inhale magnetic force pumps adopt structure of electrical engine direct link form, by centernog prop up, the structure is tightly, teardown and maintenance is convenient, adopt high - powered magnetism stuff nd fe boron to make inside and outside magnet. isolationsheath assembled make of import nonmetallic material, avoid magnetism backset ullage of the run - of - mill pumps have drastically

    Zmd系列自吸磁力泵採用電機直聯式結構,由中間支架支撐,結構緊湊,拆卸維護方便,採用高性能磁性材料「釹鐵」製造內外磁體,隔離套採用進口非金屬材料,徹底消除了一般磁力泵具有的磁渦流損耗,可輸送高濃度,密度大於1 . 84 t m
  9. Yellow - green or yellow chlorosis or brown necrosis in basal areas of older and expanding leaves ; margins curled downwards and leaf expansion irregular and suppressed ; chlorosis and necrosis spreading into interveinal areas of older leaves ; youngest leaves distorted, necrotic and failing to expand ; petioles truncated ; death of stem growing point

    西葫蘆缺:老葉和正展開葉的基部黃綠色或黃化或變褐壞死,邊緣向下捲曲和葉片展開不規則和抑制,色斑和壞死斑散布在老葉葉脈間,心葉扭歪、壞死、無法展開,莖生長點枯死
  10. The basis of the biopin products : tung oil, linseed oil, beeswax, castor oil, vegetable wax, lemon, turpentine, dryer without lead or barium, mineral pigment, borax etc

    產品成分主要有:桐油,亞麻油,蜂蠟,蓖麻油,加那巴蠟,檸檬,香脂松節油,不含鉛和鋇的乾燥劑,礦物顏料,砂等。
  11. Boron - bering phenolic resin modified by nano - tio2 and its application in friction materaials

    2改性酚醛及其在摩擦材料中的應用
  12. Preparation of cationic photoinitiator cp - fe - arene bf

    芳茂鐵四氟酸鹽的制備
  13. The influences which caused by the kinds of the catalyzer, phenol and formaldehyde proportion, boracic acid addition and etc were discussed

    探討催化劑種類、酚醛比、酸加入量等對其性能的影響。
  14. Boracic modified penolic resin with boracic acid and hydroxymethyl phenol was manufactured after hydroxymethyl phenol was created with in a special way

    摘要通過在一定條件下,先將苯酚、甲醛製成羥甲基酚,然後改變條件與酸共聚,制得具有合成穩定和較好耐熱性的改性酚醛共聚樹脂。
  15. Qinghai ridge boron & lithium co., ltd, certificited in 2000, is a aggregate resource corporation of mining boron mine, producing boracic acid, boride re - processing and selling industrial used salt

    青海中天鋰礦業有限公司成立於2000年,是集礦開采、酸生產、化物深加工、工業用鹽生產銷售的資源性企業。
  16. The results showed that the addition of boracic acid can increase the oxidation resistance and tensile strength of the flexible graphite, however, it has few effect on the other properties of the flexible graphite

    實驗表明,添加劑酸使柔性石墨材料在抗氧化性方面具有明顯的優越性,抗拉強度有所增加,而對其它性能的影響不大。
  17. 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 、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 。
  18. The boracic acid was used to prepare flexible graphite and the effect of amount of boracic acid addition on expanded volume, oxidation resistance, specific resistance and tensile strength of the fexible graphite obtained were analysed

    摘要初步探討了製造柔性石墨材料過程中加入添加劑酸的方法,並就酸的加入量對其膨脹倍數、抗氧化性、電阻率、抗拉強度等的影響進行了比較和分析。
  19. Asymmetric borane reduction

    不對稱烷還原
  20. Enantioselective borane reduction of prochiral ketones catalyzed by s - indolin - 2 - yl methanol or - indoline - 2 - carboxylic acid enantioselective borane reduction of prochiral ketones catalyzed by

    烷體系中吲哚醇或吲哚酸催化的前手性酮的不對稱還原
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