硼的作用 的英文怎麼說
中文拼音 [péngdezuòyòng]
硼的作用
英文
effect ofboron-
Using bf3 - et2o as a catalyst, the title compound was synthesized from allyl alcohol and epichlorohydrin by a series reaction included addition and cyclization
烯丙醇和環氧氯丙烷在三氟化硼乙醚絡合物的催化作用下進行加成和環化反應制得標題化合物。Upwards of 1273k, b2o3 will volatilize gradually and lose the protection to the interphase
而在1273k以上氧化硼揮發,喪失了對界面相的保護作用。If use jinke taed as activators, the application scope of sodium perborate will be widen by improving oxidation even at low temperature
如果相應地應用金科taed作活化劑,則更能在低溫下發揮氧化作用,大大提高了過硼酸鈉的應范圍。Taed is often used with sodium perborate and sodium percarbonate to form a good bleaching system. the main bleaching agent in this system is peracetate anion, which can increase whiteness and remove dirt, e. g., stains, tea stains, juice, and wine stains
Taed與過硼酸鈉或過碳酸鈉組合使用作為洗滌過程中的氧化物漂白系統,它們在水中反應後生成的過乙酸陰離子是該系統中的主要漂白劑,起增白、去污(如咖啡、茶、紅酒、咖哩、果汁和蔬菜等污漬)和抗微生物作用。Ore - control role of ultra - magnesium peridotite in houxianyu boron ore district, yingkou, liaoning province
遼寧營口后仙峪硼礦區超鎂橄欖巖的控礦作用The results indicate that submarine hot water deposition is the main ore - forming process of the uranium - bearing vonsenite deposit, and that the economic deposit was formed on the basis of further enrichment of boron and iron through the superposition and transformation by regional metamorphism and migmatization
研究表明,該礦床的成礦作用主要表現為海底熱水沉積成礦,區域變質混合巖化作用對礦床進行了強烈的疊加改造,使硼鐵進一步富集而形成工業礦床。The function of c2h1obn in ni - w - b alloy electrodeposition has been studied by means of cyclic voltamxnetry ( cv ), the deposition mechanism of ni - w and ni - w - b alloy studied by potentiostafic step and their structures before and after heat treatments investigated by xrd and dsc. the effects of bath compositions and deposition conditions on the structure and properties of ni - w - b alloy and ni - w - b - ptfe composite coatings were explored
本文主要以ni - w - b合金為研究對象,運用循環伏安方法研究二甲基胺硼烷在ni - w - b合金電沉積過程中的作用、階躍電位研究ni - w合金和ni - w - b合金電結晶機理、 xrd和dsc方法研究ni - w合金和ni - w - b合金電沉積層的結構以及合金在熱處理過程中的結構變化。A large number of attempt and painstaking experiment have been done in this paper according to existing project. we also do lots of chemical and electrochemical etching research in material of lab6, and find out three kind of methods to produce the field emitting cold cathode including reactive ion etching ( rie ) with oxygen, wet process etching and electrochemical etching. through produce some field emitting cold cathode single tip including lab6 field emitting cold cathode, molybdenum field emitting cold cathode, tungsten field emitting cold cathode, tungsten rhenium field emitting cold cathode, molybdenum covered with lab6 film field emitting cold cathode
而且,目前可借鑒的參考文獻較少,圍繞著前人做過的方案,本文做了大量工作,在已有文獻介紹的基礎上,結合原有的理論和實踐基礎,摸索出了包括高溫氧作用反應離子( rie )刻蝕法、濕法腐蝕法和電化學腐蝕法在內的三種制備工藝,運用電化學腐蝕工藝成功制備了單尖的六硼化鑭場發射冷陰極尖錐、鉬場發射冷陰極尖錐、鎢場發射冷陰極尖錐、鎢錸合金場發射冷陰極尖錐以及有六硼化鑭薄膜覆蓋的鉬場發射冷陰極尖錐。Use of borosilicate - glass raschig rings as a neutron absorber in solutions of fissile material
裂變材料溶液中用作中子吸收劑的硼硅玻璃雷氏環的使用At the initial stage of planar technique, b was employed as ideal diffusion impurity in base - region of npn si planar devices because of the match of its solid - solubility and diffusion coefficient in si with those of p in emission - region, and the good shield effect of sio2 film to b. but because of the relatively large solubility ( 5 1020 / cm3 at 1000 ) and the small diffusion coefficient, the linear slowly - changed distribution of acceptor b in pn junction can not be formed, which could not cater to the requirement of high - reversal - voltage devics. thereafter b - a1 paste - layer diffusion technology and close - tube ga - diffusion technology had been developed, while the former can lead to relatively large the base - region deviation and abruptly varied region in si, which caused severe decentralization of current amplification parameter, bad thermal stability and high tr ; the latter needed the relatively difficult pack technique, with poor repeatability, high rejection ratio, and poor diffusion quality and productio n efficiency
在平面工藝初期,由於b在硅中的固溶度、擴散系數與n型發射區的磷相匹配, sio _ 2對其又有良好的掩蔽作用,早被選為npn硅平面器件的理想基區擴散源,但b在硅中的固溶度大( 1000時達到5 10 ~ ( 20 ) ,擴散系數小, b在硅中的雜質分佈不易形成pn結中雜質的線性緩變分佈,導致器件不能滿足高反壓的要求,隨之又出現了硼鋁塗層擴散工藝和閉管擴鎵工藝,前者會引起較大的基區偏差,雜質在硅內存在突變區域,導致放大系數分散嚴重,下降時間t _ f值較高,熱穩定性差;後者需要難度較大的真空封管技術,工藝重復性差,報廢率高,在擴散質量、生產效率諸方面均不能令人滿意。In the growth of c - bn films, the bombardment of particles with high energy plays a vital role
在立方氮化硼的形成過程中,高能粒子對薄膜的轟擊起著至關重要的作用。Rare earth among them improves orange shan face to face fruit weight, the fruit quality effect are maximal, gush the shi rare earth comparing with to spraying water, citrus 24. 66 improve 14. 44g, fruit strengthens the shape thing improving 1. 15 percentage points, fruit and fruit weight ratio valve re - high 0. 036 ; boron is best to raise citrus fruit, citrus fruit sprayed borax 1. 71 percentage points higher than spraying water
其中噴施稀土對提高柑桔單果重、果實品質作用最大,與噴施清水比較,柑桔單果重提高14 . 44g ,果實固形物提高1 . 15個百分點,果瓣重與果重的比值高0 . 036 ;噴施硼砂對提高柑桔坐果率效果最好,比噴施清水高1 . 71個百分點。Moreover, the significant effects in other hematologic malignancies and the mechanisms of bortezomib in hematologic malignancies are reviewed in this paper
本文就硼替佐米在惡性血液病中的作用機製作一綜述。As a proteasome inhibitor, bortezomib has shown inhibition on cell proliferation, inducing cell apoptosis, inhibition of cell adhension and inhibition of tumor angiogenesis for multiple myeloma cells
摘要硼替佐米作為一種蛋白酶抑制劑,對多發性骨髓瘤細胞表現出抑制細胞生長、誘導腫瘤細胞凋亡、抑制細胞粘附、抑制腫瘤血管生成等作用,同時對血液系統其他惡性腫瘤具有顯著的作用。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In addition to these diseases acute need antibiotics to control infection, sore throat and local drug is also very important, such as iodine tablet, mrs eliminate fun, borax films such as mouthwash bactericidal effect, i would increase the drug - containing lesions and the contact area, especially to remove inflammatory secretions, reducing local symptoms very favorable
對這些疾病除急性期需要用抗菌素控制感染外,咽喉局部用藥也非常重要,如碘喉片、杜滅芬、硼砂漱口片等具有殺菌作用,口含能增加藥物與病變組織的接觸面,尤其對消除炎性分泌物、減輕局部癥狀非常有利。Under temperature below 60 celsius deg., perborates and percarbonates can not bleach by itself, hence the application of taed. however, taed also can not function alone
在60以下的水溫中,過硼酸鹽或過碳酸鹽不能單獨起漂白作用,因此,需要taed使其發揮此作用。Lab6, as one kind of better material, is so perfect that it is important to research its chemical etching in the arts and crafts to be used in the preparation of emitting cathode, we simply state the chemical etching technical research in material of lab6 and have gainded graphics surface of lab6
而對六硼化鑭的化學腐蝕在以其為陰極的陰極發射體制備工藝中起著至關重要的作用,本文簡述了對材料的化學腐蝕工藝的初步研究,並得到了圖形化的六硼化鑭表面。Having very high hardness and excellent wear resistance, the abrasive materials diamond and cubic boron nitride have many applications in the processing of hard brittle materials for instance sintered - carbide tooling, patterns, pottery, glass, stone and semiconductors as well as many others. these abrasives are long lasting at extremely high speeds and have a significant cost - saving impact on the processing of ordinary steel materials
金剛石和立方氮化硼cbn磨料因其高硬度和優良的耐磨性能,不僅在硬質合金工具模具陶瓷玻璃石材半導體等硬脆性材料加工中有廣泛應用,而且作為半永久性及超高速磨具在一般鋼材的加工中發揮著日益突出的作用。The experimental evidences indicated that three deposition parameters, i. e., energy density of laser, rf plasma power and substrate negative bias played key roles in the growth of the c - bn films at room temperature. on this basis, the explanation of formation process and mechanism of c - bn film was given
通過分析各個沉積參數在薄膜生長中的作用,證明三個沉積參數:激光能量密度、射頻功率和基底負偏壓是室溫下生長立方氮化硼薄膜的關鍵因素,並在此基礎上初步解釋了立方氮化硼薄膜的形成過程及機理。分享友人