電位降 的英文怎麼說
中文拼音 [diànwèijiàng]
電位降
英文
fall of potential-
Calciferous salt is ideal coagulants which decrease the electric potential. the experiment also showed a new method to treat the coal dressing wastewater by using calcium cinder carbide and pam together
通過對各種降低動電電位的混凝劑的測試，得出鈣鹽是較理想的混凝劑，並確定了電石渣與聚丙烯酰胺聯用治理煤泥水的最新方法。The silver colloid in the composite material never changed the ability of zp to tune the potential of redox mediators. but the ability of the zirconium phosphate to adsorb neutral red and the redox reaction ability of this phenothiazine dye were enhanced significantly in the composite film due to the nanosize silver colloid
磷酸鋯降低了納米銀膠粒在水溶液中的聚集，提高了其催化活性，而銀膠粒保持了磷酸鋯對介體的電位調制能力，並大大的提高了磷酸鋯對堿性染料的吸附能力和染料分子的活性。And agmatine also decreased apa, vmax ) v dd, rpf and apd50, 9o in a concentration - dependent manner in human atrial fibers and guinea pig papillary muscles
胍丁胺還可濃度依賴地縮短離體豚鼠乳頭肌與人心房纖維的動作電位的時程，抑制v _ （ max ）和降低vdd和rpf 。Keywords : sedimentation velocity and potential, electrophoretic mobility, electric conductivity, charged composite particle, charged porous particle, arbitrary double - layer thickne
關鍵詞：沉降速度與電位、電泳可動度、電導度、帶電復合粒子、帶電多孔性粒子、任意電雙層厚度。The result shows that with the addition of rare earth elements, ultrasonic irradiation and magnetic field, the chemical component, surface configuration, microstructure and properties of electroless co - ni - b and co - fe - b alloy changes remarkably. such kind of change can be described as the followings. firstly the depositing speed of electroless alloy bath is raised while the polarizability and cathodic overpotential are reduced ; secondly the surface quality of the alloy coating and adhesion of the coating and matrix are improved ; thirdly in the coatings the content of the elements in the transient group increases, but the content of cobalt decreased ; fourthly the amorphous structure is transformed to microcrystal structure and polycrystal structure ; fifthly the microhardness and wear resistance of the coating are enhanced ; sixthly coercitive force is reduced, and magnetoconductivity of the coating is increased ; lastly the magnetic intensity of the coating increases with the addition of energy and light rare earth elements such as ce, la and decreases with the addition of heavy rare earth elements such as y. on the other side, when the alloy coatings passes through the heat treatment under the temperature of 250 or 500, their properties will change
結果顯示化學沉積co - ni - b 、 co - fe - b工藝在稀土元素（ ce 、 la 、 y 、 dy ） 、能量（超聲波、磁場）介入后，沉積過程、合金成分、鍍層形貌結構和性能都有顯著變化，表現在：鍍液的陰極極化過電位和極化度降低，沉積速度提高；鍍層的結合力、表面質量改善；鍍層中過渡族元素的含量增加，輕元素硼的含量降低，同時證實了稀土元素與過渡族元素共沉積的可能性；鍍層的顯微結構由非晶態向微晶和多晶態轉變；鍍層的顯微硬度與耐磨性提高，力學性能優化；鍍層的矯頑力降低；磁導率提高；鍍層的磁化強度在能量（超聲波、磁場）和輕稀土元素ce 、 la介入后提高，重稀土元素y介入后降低。Finally, the method of estimating power customer emission level based on binary linear regression is put forward, which make it a condition that harmonic emission is steady at the point of common coupling. combined with power system thevenin equivalent and customer norton equivalent, according to the principle of least squares method, the voltage that a customer ' s harmonic current begets at the point of common coupling can be estimated in the light of the plural correlation of network parameters
最後，提出了基於二元線性回歸的用戶諧波發射水平估計方法，該方法在假設公共聯接點諧波發射穩定的情況下，結合系統側戴維南等值與用戶側諾頓等值的電路圖，按照最小二乘法原理，利用電網各參數的復數關系推導關于系統側諧波阻抗的二元線性回歸方程，並根據諧波阻抗的估計值求取用戶諧波電流在公共聯四川大學碩士學位論文（ 2003 ）接點產生的電壓降。In acid copper sulphate solution, the nc copper has a more negative corrosion potential which is decreasing with reducing the grain size and diffusion impedance was only found in the as - prepared and as - annealed at 180 ? nc copper due to the diffusion within the pores and channels on the surface. both the tafel plots and eis study demonstrated that the nc copper exhibits a higher corrosion current and lower polarization resistance than its mc couterpart
在酸性硫酸銅溶液中，納米晶銅的腐蝕電位比微米晶銅要負，並且隨著晶粒尺寸的減小而降低。 eis研究表明，未退火的和180退火的納米樣品中發現了擴散阻抗，與表面孔洞和通道中的擴散有關。極化曲線外推法和電化學阻抗研究都表明納米晶銅的腐蝕電流比微米晶銅高，而極化電阻要低。Fall - of - potential method
電位降測組法The emulational calculating theories of traction power supply system ' s operating charts combine with actual things of engineering design at present in chapter three, to set up traction web current distributing mathematical model, integral distributing mathematical model, locomotive distribution and obtaining current model at every moment, and on which making use of mathematical planning methods to set up mathematical models is based at every moment in every instance interval of the railroads. for instance, instantaneous current, instantaneous voltage descent and effective current, main changing capacity and so on, in addition, there are the minimum power shortage model, the optimal transformer substation location, the least engineering expenditure, the optimal mathematical model of traction power supply system. optimize design ' s algorithm of traction power supply system is introduced in detail in chapter four, where programming idea and realizing method of the computer software are given an explanation
本研究主要進行了以下工作：結合牽引供電系統運行圖的模擬原理和現行工程設計的實際情況，建立了牽引網電流分佈、積分分佈、任一時刻機車分佈和取流的數學模型；應用數學規劃方法建立了任一距離區間、任一時刻的瞬時電流、瞬時電壓降數學模型和有效電流、主變容量和主變壓降、最小功率損失、最佳變電所容量、最佳變電所位置、最少工程費用、最少運營維護費用和牽引供電系統方案最優等方面的數學模型；闡明了牽引供電系統優化設計的演算法和計算機軟體編程思想及實現方法；進行了工程實例計算；最後，對牽引供電系統優化設計技術應用進行了總結。The modified copolymer solution has lower surface tension than the unmodified one. by measuring adsorptive content, we find that the adsorptive content of fdn superplasticizer is higher than the modified copolymers, but their adsorptive shape on the surface of the cement particles is different. measuring of potential of cement particle indicated that higher potential leads to better dispersibility for used superplasticizer
通過對減水劑的表面張力、吸附量、 5電位研究，發現改性后的減水劑均比未改性的共聚物更能降低水的表面張力；茶系減水劑比合成的減水劑具有更大的飽和吸附量，但彼此的在水泥顆粒表面的吸附形態並不相同：減水劑一水一水泥體系具有雙電層，加了減水劑的水泥膠粒的電負性顯著增加，改性后產物的負電性與改性前相比明顯增加。Partial substitution of manganese in lixmn204 by cobalt or lithium can reduce the fermi energy, increase the. net charge of lithium ion, and diminish the value band width, corresponding to the drop of the discharge voltage, the loss of the reversible capacity, and the improvement of the cycling performance due to increasing structural stability, respectively
在limn2o4中摻入鈷和用鋰離子代替16d位錳離子將使材料的費米能減小，放電電壓降低；摻雜態中部分鋰離子的凈電荷增大，鋰離子與氧離子的相互作用增強，可逆容量降低；摻雜態的價帶寬度變窄，結構的穩定性增加，從而改善循環性能。These spectral changes are generally attributed to a progressive decrease in muscle fiber conduction velocity with the accumulation of h + in muscle in the development of muscle fatigue. however, there are a few other experimental studies revealed it was not all
長期以來，人們傾向認為在肌肉疲勞過程中semg信號功率譜左移可能與h ~ +積累誘發肌纖維動作電位傳導速度下降有關，但有研究提示此結論並不可靠。Light microtechnique and sa - galactosidase method was used to study the effects of super - high - concentration of glucose on the senescence of human diploid fibroblast 2bs cells, ros and the membrane potential of mitochondria during this process were measured. our results showed that 200 mmol l of glucose inhibited the growth of 2bs cells, led to the changes of reactive oxygen species and decrease of mitochondrial membrane potential, and caused senescence of 2bs cells rapidly. it supports the hypothesis of oxidative damage of senescence. moreover it is a better system for the study of the effects of ros during the process of replicative senescence
利用光學顯微鏡觀察和酸性-半乳糖苷酶染色技術研究了高濃度葡萄糖對人二倍體成纖維細胞2bs細胞衰老進程的影響，並用流式細胞儀檢測了此過程中活性氧和線粒體膜電位差的變化。結果表明： 200 mmol l的葡萄糖對2bs細胞有生長抑制作用，能引起活性氧含量的變化，導致線粒體膜電位差顯著下降，並誘導了細胞的衰老。這為氧化損傷假說提供了新的證據，並為研究活性氧和復制衰老之間的關系提供了較好的體系。Results showed : ( 1 ) cbt cell death in low tempratures is accompanied by characteristic changes, such as, reduced cell size, distorted nucleus, chromatin condensation and margination and cell ( cytoplasmic ) vacuolization ; cell mortality and ca2 * concentration increase along with time passed in low temperature. mitochondrial membrane potential and 02 increased at first, and then decreased. activities of sod decreased at first, followed by significant increasing and finally depressed
結果表明： （ 1 ） cbt在低溫協迫下，細胞圓縮，細胞核變形，染色質濃縮且邊位，細胞質空泡狀；細胞死亡率隨處理時間的增加而增加；細胞內鈣離子濃度隨處理時間延長而遞增；線粒體膜電位差在低溫處理早期急速上升，隨后一直下降；細胞內超氧陰離子（ o _ 2 ~ - ）在低溫處理前期出現高峰，接著呈下降趨勢；細胞內sod活性在低溫處理前期減弱，接著上升，然後持續下降。A modified definition of polarization resistance calculated from the equivalent circuit of eis make its value dependent on the grain size. in anodic polarization test ( sweeing and stair - steps ), the maximum ( critical ) current density increases while the passivation potential and breakdown potential lowers with the reduction of the grain size. fegsem images showed the grain growth and pitting corrosion of the nc copper surface, uniform corrosion in the mc copper surface and the broken passivation layer in both surfaces
在陽極極化實驗（包括掃描法和臺階法）中，致鈍電流雖晶粒尺寸減小而增大，而致鈍電位和擊穿電位都隨著晶粒細化而降低。 fegsem照片發現了納米晶銅的晶粒長大和孔蝕，微米晶銅表面的均勻腐蝕，和兩種銅表面破碎的鈍化膜。Simulation results show that cathode over - potential under low current density is considerably increased because of methanol crossover, but its effect becomes much lower under high current density
模型顯示在低放電電流密度下，甲醇穿透顯著地增加了電池陰極過電位，降低了電池電壓；但在高電流密度下，甲醇穿透對電池性能的影響不顯著。Mol l, artemisinin can be reduced via the hemin - catalysis and its original cathodic peak at - 1. 08v completely disappeared. the cathodic overpotential of artemisinin is decreased ca. 600mv. this process is verified by the fact that complex edta - fe can also promote the artemisinin reduction with decreasing the cathodic overpotential of artemisinin for 590mv. these results show that the reduction of artemisinin at the glassy carbon electrode is a catalytic process with the aids of hemin. hemin can greatly decrease the cathodic activation energy of the reduction of artemisinin and promote the decomposition of artemisinin
Mol l氯化血紅素存在下，青蒿素仍可被催化還原，陰極過電位降低了600mv 。配合物edta - fe具有類似氯化血紅素的催化性質，它降低了qhs陰極過電位590mv 。在這個體系中，青蒿素在碳電極上的還原是一個藉助于氯化血紅素催化的還原過程，氯化血紅素的存在降低了青蒿素還原活化能，促進了青蒿素的分解。The fluorescence intensity in high - passage cells was increased obviously ; whereas the mitochondrial membrane potential was decreased obviously
結論內皮細胞在復制性衰老過程中，伴隨著細胞形態退化、細胞周期異常，細胞內自發熒光產物增加，線粒體膜電位降低。Anode potential fall
陽極電位降The results showed air electrode ( 1cm2 ) which had been optimized exhibited good performance that short circuit current of aluminum / air battery was as high as 380ma and the polarization potential was diminished from 0. 259v to 0. 212v at 60ma / cm2 when the concentration of salt electrolyte was 2mol / l
以2mol / l的食鹽溶液為電解液，採用優化工藝制備的空氣電極為陰極（ 1cm ~ 2 ） ，鋁合金為陽極，測得電池的最大短路電流超過380ma 。在電流密度為60ma / cm ~ 2時，極化電位為0 . 212v ，與優化前所制備的空氣電極相比，極化電位降低20 。分享友人