The determination of human thymidine kinase ( htk ) in human serum, which is a key indicator of cancers can give information for the diagnosis and treatment of the malign diseases. the protein a layer was first self - assembled onto the gold electrode surfaces of quartz crystals, the monoclonal antibodies were then orientedly immobilized through the specific binding between the fc terminals of the antibodies and the self - assembled protein a. with this sensor, the affinity constant of antigen - antibody binding was estimated to be 1. 85 106 l / mol according to the scatchard ’ s plotting method, which proved the high bioactivity of antibody. finally, an amplified piezoelectric immunosensor was designed to determine the htk in
實驗中將蛋白a吸附於鍍金
壓電石英晶體電極表面,用於定向固定htk單克隆抗體,成功研製了檢測htk的
壓電石英晶體傳感器,並基於標準scatchard繪圖法,計算出免疫反應的親和常數為1 . 85 106l / mol ,證明該單克隆抗體具有較高的免疫活性;同時基於酶
催化沉澱技術,設計了的檢測htk的質量放大
壓電石英晶體傳感器,該傳感器可在0 . 1 - 10ng范圍內對htk進行定量檢測,應用此傳感器成功地對5種癌癥病人血清中htk的濃度進行了測定,實驗結果為癌癥的臨床診斷與治療提供了參考。
Children 1d. ; and the infinite possibilities hitherto unexploited of the modern art of advertisement if condensed in triliteral monoideal symbols, vertically of maximum visibility divined, horizontally of maximum legibility deciphered and of magnetising efficacy to arrest involuntary attention, to interest, to convince, to decide
如果
壓縮成三字母單一觀念80的記號,那就是:豎著,能夠最大限度地看到察覺橫著,能夠最大限度地讀到辨認,還有著不知不覺地吸引人的注意力,產生興趣,使之信服並採取行動的
催眠般功效。
It is installed with various production equipment for the atmospheric distillation, catalytic cracking of heavy oil, delayed cocking, hydrogenated white oil, anti - corrosion additives, alkane - purpose chemical reagent and special oils
中國石化集團杭州煉油廠現有常減
壓蒸餾、重油
催化裂化、延遲焦化、加氫白油、防銹添加劑、烷烴化學試劑和特種油品等生產裝置。
( 8 ) by studying match between the electronic system and catalytic converter on the base of electronic controlled bypassing air system, conclusions having been gotten as follows : higher conversion efficiency of emission have gotten when a / f fluctuates at definite scope and frequency, by controlling the comparing voltage of 02 sensor, the working scope of catalytic converter can be controlled and the matching that can fulfill the high efficiency of hc, co, nox at same time has been optimized
( 8 )進行基於所開發的電控補氣系統上的
催化器與電控系統的匹配研究,當控制系統調節空燃比在一定范圍按照一定頻率進行波動時,可以提高
催化轉化器的轉化效率;通過控制氧傳感器的比較電
壓,可以控制
催化轉化器的工作窗口,實現排放污染物中, hc 、 co 、 nox轉化的最優匹配。
Effects of catalyst - to - oil ratio on distribution of catalytic pyrolysis gas products of daqing atmospheric residue
劑油比對大慶常
壓渣油
催化裂解氣體產物分佈的影響
The conventional method to prompt the heat decomposition of chlorate candle depends on the combustion of metal fuels mixed in chlorate candle
摘要傳統的氧燭是將氯酸鹽或高氯酸鹽與金屬燃料、
催化劑混合后
壓縮所制得。
The optimum conditions for air electrode preparation were shown as follow : 20 % ptfe and 20 % mno2 in active layer, thickness of active layer 0. 15 - 0. 25mm and the ratio of active carbon to ethine black 4 : 1 ; 60 % ptfe in the gas diffusion and waterproof layer, employing na2so4 as pore - making agents, thickness 0. 35 - 0. 45mm, colding forming and layer sequence catlytic layer / gas diffusion and waterproof layer / current collector layout ; employing 40 meshed nickel screen as current collector and thermal treatment temperature over 200
確定了制備空氣電極的優化工藝條件,
催化層中ptfe含量約20 , mno _ 2的最佳含量約為20 ,
催化層中活性炭和乙炔黑的比例為4 : 1 (質量比) ,厚度在0 . 15 - 0 . 25mm之間。防水透氣層中ptfe的含量約為60 ,以無水硫酸鈉作為造孔劑,厚度一般為0 . 35 - 0 . 45mm 。電極各層採用
催化層/防水透氣層/集流體的排布方式,冷
壓成型,熱處理對空氣電極的性能影響較大,熱處理溫度不低於200 。
Development and application of atmospheric residue hydrogenation guard catalyst and demetallization catalyst
常
壓渣油加氫保護劑和脫金屬
催化劑的開發及應用
The present results indicated that the paraventricular nucleus of the hypothalamus and the supraoptic nucleus might have important roles in neuroimmunomodulation. 2. following lps or seb was administered intraperitoneally, the expression of pcna of splenic cells and il - 1 receptor type i in pvn and son were observed by using immunocytochemistry in the mice. double fluorescent labeling technique was used to determine the relationship of il - 1 receptor type i co - expressions with arginine vasopressin or oxytocin
二、小鼠腹腔內給予細菌內毒素lps或腸毒素seb ,用免疫組織化學方法觀察了脾臟核增殖抗體及下丘腦室旁核和視上核中1型il 1受體的表達,並採用雙標記技術觀察了1型il刁受體陽性神經元和加
壓素及
催產素表達的關系。
The intermediate pressure exhaust gas boiler in the shop of yantzi petrochemical oil refinery works is needed to recycle the exhaust heat from the dust
揚子石化煉油廠
催化裂化車間中
壓余熱鍋爐,用來回收
催化再生煙氣的余熱。
The effect of these catalysts is greater at low pressures than at high pressures.
在低
壓下這些
催化劑的作用要比在高
壓下為大。
Commercial application of fzc series catalysts for residue atmospheric hydrotreating
系列常
壓渣油加氫處理
催化劑的工業應用
Pilot test and commercial application of catalysts for res iduum hydrotreating in fixed bed
常
壓渣油加氫脫硫
催化劑的開發研製
The experimental results demonstrate that the suitable mea hot - pressing temperature and pressure are 120 and 15. 5mpa, respectively. the optimum catalyst loading in anode is 4 mg pt / cm2, and the best contents of nafion ionomer in anode and cathode layer are 45wt % and 35. 3wt %, respectively
實驗結果顯示,制備膜電極時最佳的熱壓溫度和壓力分別為120和15 . 5mpa ;陽極催化劑的適宜載量為4mgpt / cm2 ;陽極和陰極催化劑層的nafion最優含量分別為45 . 0wt %和35 . 3wt % 。