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- Result showsthat there is a better relation among coal conversion,H/C atomic ratio and maceralin the coal. 實(shí)驗結果表明，原煤中的H/C原子比和有機顯微組成和煤的轉化率存在較好的相關(guān)性，煤的轉化率隨原煤中的H/C原子比增高、鏡質(zhì)組分含量增加而增大；
- The P/V atomic ratio, activating temperature, activating time,space velocity of catalyst have been determined. 考察了催化劑P/V原子比、活化溫度、活化時(shí)間和反應空速對催化劑性能的影響。
- One kind of elemental atoms and all other elemental atoms are variant. 一種元素的原子與所有其它元素的原子是不同的。
- The study indicates that the aromaticity is related to the types of kerogen, and keeps good relationship with the H/C atomic ratio of kerogen. 微晶參數與干酪根的演化程度有關(guān),成熟度越高微晶參數值也越高。
- The CIG precursor film with a Cu/(In+Ga) atomic ratio of approaching 1.0 and an adjustable Ga/(In+Ga) ratio and with uniform distribution of all alloys was obtained. 制備得到了Cu/(In+Ga)原子比接近1,且Ga/(In+Ga)比例可調的成分分布均勻的CIG薄膜。
- Properties of ytterbium absorbing deuterium at pressure less than 0.1 MPa in a vacuum system are studied and the phases of deuterides with various D/Yb atomic ratio are analyzed. 在真空系統中的氘壓低于 0 1MPa條件下研究了金屬鐿的吸氘性能 ,并對不同原子比的氘化物的物相進(jìn)行了分析。 在常壓、3 0 0℃下 ,金屬鐿吸氘不明顯 ;
- Irradiation in atmosphere can decrease the sulfur/ferrum atom ratio on pyrite surface and that in liquid may,on the contrary,increase the rat... 并對電子束輻照條件下黃鐵礦表面反應機理進(jìn)行了分析。
- When [O]/[C] atom ratio increases, H2 mole fraction decreases sharply while CO and CO2 mole fraction almost doesn't change. 隨著(zhù)[O]/[C]原子比的增加，H2摩爾分數明顯降低，CO和CO2摩爾分數幾本不變。
- Si/Ti atomic ratio of the deposited thin films was mensurated by ICP-AES. TiO2/SiO2 thin films were characterised by XRD, FTIR and BET methods. Photocatalytic activity of TiO2/SiO2 thin films was evaluated by degradation of methylene blue as a probe. 用ICP-AES測定TiO_2/SiO_2復合薄膜中Si/Ti原子比,用BET法測定了薄膜上粉體的比表面積,用XRD、FTIR三點(diǎn)全反射光譜法等對TiO_2/SiO_2復合薄膜進(jìn)行了表征,并用亞甲藍的降解,評價(jià)了TiO_2/SiO_2復合薄膜的光催化活性。
- With appropriate Ga content in CIG precursors, the atomic ratio of Cu/( In + Ga) can be close to 1:1; adjusting the Ga content in the precursor results in a control of Cu/(In + Ga)ratio of the CIGS films with uniformly distributed constituent elements. 結果表明,通過(guò)調節CIG前驅膜的Ga含量可制備得到 Cu/(In+Ga)原子比接近1,且Ca/(In+Ga)比例可調的成分分布均勻的CIGS薄膜。
- The effects of the atomic ratio of carbon and zirconium and the flowrate ratio of hydrogen and argon in the coating gas on the characteristics and structure of ZrC coating layer were studied. 研究表明碳化鋯鍍層的密度隨沉積溫度而變化，反應氣體中碳鋯的原子數比值和氫氬流量比值影響碳化鋯鍍層性能和結構。
- Based on the principle of non weighting determination of C、H、N atomic ratio,a micro injection sample introducing method was developed for determination of H/C ratio for volatile reagent. 根據不稱(chēng)重法測定化合物碳、氫、氮原子比的理論,建立了微量注射法測定強揮發(fā)性液體樣品的氫/碳原子比的方法。
- It is also found that High C/F atom ratio for source gases, low deposition pressure and high microwave input power contribute to enhancement of cross-linked structure in a-C:F:H films and thus improve the thermal stability of the films. 實(shí)驗中還發(fā)現，源氣體較高的碳氟原子比、較低的沉積氣壓和較高的微波輸入功率有助于a-C：F：H薄膜交聯(lián)結構的增強，因而有利于改善薄膜的熱穩定性。
- Using water or toluene as solvent, preasphaltene is the dominant fraction in the extract.H/C atom ratio in asphaltene and preasphaltene is higher with water than with toluene, but... 本文詳細考察了水和甲苯兩種溶劑超臨界萃取的區別及其混合溶劑萃取的特性。
- What is radioactive?In the natural world, where the atomic nucleus unstable, can spontaneously emit radiation, some time into other elements atomic nucleus elements called radioelement. 何謂放射性?在自然界,凡原子核不穩定,能自發(fā)地放出射線(xiàn),過(guò)一些時(shí)間變成其它元素原子核的元素,叫放射性元素。
- PASCA (positron annihilation spectroscopy for chemical analysis), ESCA, TA and micro-reactor have been used to study the Ni-W/Al2O3 catalysts with various Ni/W atomic ratios (R) . 采用PASCA,ESCA,TA和微型反應色譜等技術(shù)研究了Ni-W/Al_2O_3催化體系。
- The elemental mathematics is very easy. 初等數學(xué)很簡(jiǎn)單。
- The elemental truth was facing us. 基本的事實(shí)面對著(zhù)我們。
- atomic ratio of moderator to fuel 原子慢化比
- In a printer, the removable type element. 印刷機上可拆卸的打印部件。
