氧梯度 的英文怎麼說
中文拼音 [yǎngtīdù]
氧梯度
英文
oxygen gradient-
At the same time, on the condition of different value of ph ( substrates : benzidine and a - naphthol ), catalytic reaction reveal distinct results as well
接著進行了ph梯度實驗,發現不同ph條件下, dna和辣根過氧化物酶也表現不同之處。The reaction rate is limited by the concentration gradient of oxygen in the sample.
反應速率受試樣中氧濃度梯度的限制。The results of the tests were that : current two metal layers wave - guide film on columned ferrites was replaced by multi - function gradual films which improved the influence of rheotaxis to some extent. so the wave - guide films of ferrites were good to meet to the micro - wave conduction and driving consumption
主要結果如下:用多層梯度功能膜代替了現有的雙層鐵氧體金屬波導薄膜,在一定程度上改善了趨肽效應的影響,使得鐵氧體波導薄膜在微波傳輸和驅動功耗上達到比較好的結果。Xanthophyli cycle has been widely concerned since the finding that it has the function in heat dissipation. with the trans - thylakoid ph gradient, zeaxanthin ( z ) together with antheraxanthin ( a ) can absorb excess energy from chlorophyll and release it as heat, thus protect the photosynthetic apparatus from photodamage by high light. violaxathin de - epoxidase ( vde ) is the key enzyme in xanthophylls cycle
目前普遍認為葉黃素循環的色素定位於天線色素蛋白復合體上,在跨膜質子梯度( ph )形成后,玉米黃質( z )和環氧玉米黃質( a )能夠從葉綠素中吸收過多的激發能,並以熱能的形式耗散到體外,從而保護光合器官免受強光的破壞。Ysz - ni ( nickel - yttria stabilized zirconia ) cermets have been widely used in the solid oxide fuel cells ( sofc ) and functionally gradient materials ( fgm ) areas
Ysz - ni (鎳-氧化釔穩定的氧化鋯)金屬陶瓷可以應用於固體氧化物燃料電池( sofc )和功能梯度材料( fgm )中。Also, the author ’ s design strategy and creativity has been given in this paper. specifically, it includes : based on the feasibility analysis of the fit selection of control parameters in the aeration process, the aeration process of wastewater treatment of the joint - constructional complete - mixed activated sludge process has been aimed at in this paper. then, the state equations of the aeration process have been proposed in this paper, which is on the base of dissolved oxygen concentration ( do ) and discharge quantity of sludge ( qw ) as control variables, the concentration of bod and sludge as state variables. based on the present study on optimization control of wastewater treatment, the multivariable optimal control model with restriction factor has been presented in the paper with introducing modern control theory and system analysis into the field of activated sludge wastewater treatment,
具體包括:以完全混合、表面曝氣合建式活性污泥工藝的污水處理曝氣過程為研究對象,在闡述了曝氣過程式控制制參數選取可行性的基礎上,建立了以溶解氧濃度do和活性污泥排放量qw為控制變量,以曝氣池中有機物濃度s和微生物濃度x為狀態變量的活性污泥曝氣過程的基本狀態方程;運用現代控制理論的觀點和污水處理理論,在現有關于污水處理最優控制問題研究的基礎上,建立了有約束條件多變量能耗最小數學模型,該數學模型是以有機物排放總量和狀態變量的末值條件作為約束條件,曝氣過程的能耗最小作為目標泛函;採用增廣拉格朗日乘子法對最優控制問題進行轉化,並對應用極大值原理求解能耗最小這一最優控制問題進行了詳細的解析;引入約束運算元,應用具有控制約束的共軛梯度演算法對能耗最小這一最優控制問題進行求解,並進行模擬實驗驗證。Microfiltration of sewage with gradient alumina membrane
梯度氧化鋁膜對生活污水的凈化處理Through investigating the sinter process of al2o3 and at composite, the sinter parameters of atio5 / al2o3 is obtained
通過對鈦酸鋁與氧化鋁的燒結研究,進一步確定了鈦酸鋁氧化鋁梯度復合材料的燒結工藝制度。The mounted sections were dewaxed in xylene and passed in graded alcohols for pcrmutation, dip in distilled watcr. h. e staining was proceeded, then dehydrated in graded alcohols, cleared in xylene, and sealed 8 with neutralized resin
Im 、 ph7 2磷酸緩沖液中過夜后,再用上述磷酸緩沖液沖洗切塊三遍,然後梯度酒精脫水,醋酸乙戊酯置換,二氧化碳臨界點乾燥,真空噴金,日歷s七500n觀察、照像。Study of silver oxide graded material composite
銀基氧化物梯度復合材料的研究In the present dissertation, five commercial metallic materials ? tungsten alloy ( 93w ), oxygen free copper ( ofc ), titanium alloy ( tc - t ), pure aluminum ( al ) and magnesium alloy ( mb2 ) were chosen as the composite system of the flier - plate with graded wave impedance, and their acoustic and mechanical parameters were measured. the thickness of each material was controlled so that flier - plates with a parabolic or cubic wave impedance distribution were designed
依據實現準等熵壓縮和超高速發射對梯度飛片體系的理論要求,論文首先在一個較寬的波阻抗變化范圍內,確定鎢合金( 93w ) 、無氧銅( ofc ) 、鈦合金( tc _ 4 ) 、工業純鋁( al )和鎂合金( mb _ 2 )五種綜合性能良好的金屬和合金材料作為波阻抗梯度飛片的復合體系,並測量了材料的相關聲學和力學參量。Aerotaxis ( aerotactic movement ) a taxis in response to an oxygen concentration gradient
趨氧性:一種對氧濃度梯度產生回應的排序。The results show that thermoluminescent anomalies, whose two edges are higher and the middle is lower, indicate the uranium deposit, the rapidity step of natural voltage indicates the transitive section of oxidation - reduction
自然電位陡梯度變化帶反映了氧化還原過渡帶的位置。鈾、鉬、釩的地氣異常在礦體上方或礦體邊緣位置有不同程度的顯示。It summarized the comprehensive geophysical and chemical prospecting information model of interlayer oxodatipn zone sandstone - type uranium deposit. that is, the thermoluminescent anomalies, whose two ends are higher and the middle is lower, the rapidity step of natural voltage and the geogas anomalies of u indicate the uranium deposit
最後歸納總結出了層間氧化帶砂巖型鈾礦的綜合物化探信息模式,即土壤天然熱釋光的低值;自然電位的陡梯度帶;鈾的地氣高值異常信息基本反映了鈾礦體的客觀存在。When the content of nano zno is 10wt %, the varistor voltage of zno varistor is higher, the voltage ratio is lower, and the leakage current is the lowest, which means better electrical properties of varistor
納米氧化鋅的添加量為10wt %時,壓敏電位梯度較高,漏電流最小,壓比較低,即壓敏閥片的綜合電性能較好。In short, adding appropriate amount rare - earths oxide can improve potential gradient greatly, decrease leakage current with voltage ratio no changed and make zinc oxide varistor with outstanding comprehensively performance
總之,添加微量稀土氧化物能夠顯著提高氧化鋅壓敏閥片的電位梯度、降低漏電流,使其具有優良的綜合性能。So the optium content of ceo2 is 0. 06mol % in this study. when the la2o3 content is 0. 04mol %, potential gradient is the highest, and improves about 57 %, voltage ratio is lower, leakage current is minmum
當la _ 2o _ 3含量為0 . 04mol時,氧化鋅壓敏閥片的電位梯度達到極值,與不含la _ 2o _ 3的氧化鋅壓敏閥片相比提高約57 ,且壓比較小,漏電流最低。So the optium content of nd203 is 0. 04mol % in this study. when the ceo2 content is 0. 06mol %, potential gradient is maximum, improves about 30 %, voltage ratio is lower, and leakage current is the lowest
當ceo _ 2含量為0 . 06mol時,氧化鋅壓敏閥片的電位梯度達到極值,比添加ceo _ 2前的電位梯度提高約30 ,且壓比較低,漏電流最小,因此本實驗ceo _ 2添加量的最佳值為0 . 06mol 。Adding 0. 04mol % nd2o3 improves the varistor voltage remarkably, and at the same time decreases the leakage current and the voltage ratio, then zinc oxide varistor show outstanding comprehensively performance. nano zno powder was added into varistor materials
研究結果表明,壓敏閥片中加入納米氧化鋅后,其壓敏電位梯度顯著提高,當納米zno含量達到sowt %時,壓敏電位梯度可達613 . 73vlmm 。In this dissertation, mgo5 is introduced to form solid solution to restrain the decomposition of at in high temperature. then at is mixed with the al2o3, forming gradient composite to raise the integral intensity of the material and not affecting the thermal properties. the experimental results show that the additive mgo5 can effectively restrain the decomposition of at and promote the sinter process, which enhances the density of at
本文在充分分析本領域國內外研究現狀的基礎上,首先通過引入添加劑鈦酸鎂( m2t ) ,使其與鈦酸鋁形成固溶體,以達到抑制鈦酸鋁中溫分解的目的;再通過與強度高、氣密性好的氧化鋁進行梯度復合來提高整體材料的強度並能彌補鈦酸鋁滲透性能差,同時對材料的低熱膨脹性能影響不大。分享友人