溶度分級 的英文怎麼說
中文拼音 [róngdùfēnjí]
溶度分級
英文
solubility fractionation-
The investigation of a lot of parameters about treated sandstone, brick materials and earthen materials with fluorited polymers has been carried out, such as the formation of polymer, the penetration depth, porosity, capillary absorption and penetration coefficient, water uptake, compressive strength, drilling resistance, absorption isotherms of water vapor, water vapor diffusion, color changes as well as resistance to desegregation of water, frizzing - throwing cycles, worming - cooling cycles, and so on. in addition, the influence of salt crystallization, acid and base, and uv aging have also been assessed in order to better understand the protection effects and utilization possibility of two fluorinated polymers, mainly according to astm standard and the combination of international methods together with general technological
分別以國家級文物保護單位的土質、砂巖和磚材文物樣品為對象，依據astm標準及國際通用文物保護研究方法與評估準則相結合，通過膠化物形成周期、滲透深度、孔隙度、毛細吸水和滲透系數、持水量、抗壓強度、抗鉆強度、吸附水蒸氣的能力、透氣性、外觀顏色等系列參數的測定，及凍融、冷熱循環、酸堿腐蝕后抗壓強度的衰減、可溶鹽對保護效果的影響、酸堿及光照對表面保護效果的影響，對兩種含氟聚合物及其與有機硅的共混物在文物加固保護和表面防護中的可行性和保護效果給予了系統研究。So it is very important to understand the cyclic deformation behavior of zircaloy - 4. in this paper, bauschinger effect of zircaloy - 4 with different metallurgical state at room temperature and 400 ? is investigated in an incremental step test and cyclic deformation test under constant strain control. bauschinger effect during cyclic deformation is described by using back stress, which is mainly responsible for bauschinger effect ; back stress is attained by using kwl " s method
本文採用單試樣逐級加載循環變形和恆應變幅循環變形試驗，研究了不同冶金狀態、溫度、氫以及固溶處理下的zr - 4合金的bauschinger效應現象；種種結果表明，影響bauschinger效應的主要因素是背應力；本文正是從背應力的角度來分析各種狀態下zr - 4合金的bauschinger效應現象；背應力的計算主要通過使用kwl方法而獲得。This paper illustrates the reaction of larch bark tannin extracts with sulfite and sodium hydroxide and the tests of its solution viscosity, mw - distribution and thin - layer chromatography
摘要通過對落葉松栲膠進行亞硫酸鹽和氫氧化鈉的改性，則定其溶液黏度，用不同溶劑進行分級和薄層色譜。According the key factors we find, we bring forward a new conception : multilevel suppressor and design a new high performance suppressor whose ion - exchange membrane has bigger areas and using three electrodes including one cathode ( anode ) and two anodes ( cathode ), at the same time we fill the suppression compartment with one kind of ion exchange resin which has moderate exchange capacity. according to our experiment ' s results, we find the new type suppressor has quite high working current efficiency and suppressing capacity. in most cases, the suppressor ' s current efficiency is over 90 % ; the suppressor can transform the naoh ( concentration : 200mmol / l, flow rate : i. oml / min, conductance : over 10000 i - i s cm " ) to pure water ( conductance : 8. 9 it s cm in chapter 3, the high performance suppressor is applied in determination some trace - amounts ions in plating solution, sewage. in this chapter, we also have a research on the gradient ion chromatography
第二章首先以xyz - 1型電化學抑制柱為例，分析了電化學抑制柱的抑制過程得出影響抑制容量的主要因素主要是抑制柱的電流效率和離子交換膜的極限電流密度，因此採用中等交換能力的離子交換樹脂作為抑制室的填料以提高電流效率，在通常情況下電流效率可達到90以上；在選用同種離子交換膜的前提下，可通過增加離子交換膜的有效面積達到提高極限電流的目的從而提高抑制柱的抑制容量，因此提出了多級抑制的概念並據此研製了共電極式高容量電化學抑制柱，該抑制柱最高可將流速為1 . 0ml / min ，濃度為200mmol / l電導率超過10000 s ? cm ~ （ - 1 ）氫氧化鈉溶液抑制為電導率低至8 . 9 s ? cm ~ （ - 1 ）的純水，並且具有穩定性高、分析結果準確等優點。The nanoparticle titanium dioxide was prepared with tnb as raw material by the sol - gel process, the effects of the alcohol salt concentration the kind of solvent the water volume hydro1yze temperature. the dried ways of the wet gel and the calcined temperature of the dry gel on the specific surface area. particle size
本文以鈦酸丁酯為前驅體，利用溶膠?凝膠法制備了納米級的tio _ 2粉體材料，通過正交實驗研究了醇鹽的濃度、溶劑的種類、水含量、水解溫度、乾燥條件和煅燒溫度等工藝條件對納米粒子的比表面積、粒徑大小及分佈、晶相組成等性能的影響。Surface chemical analysis - secondary - ion mass spectrometry - method for estimating depth resolution parameters with multiple delta - layer reference materials
表面化學分析.次級離子質譜法.多層標準材料深度溶解參數的估算方法Solvents for paints and varnishes - ethylene glycol ethers - gas chromatographic determination of the degree of purity
顏料和清漆用溶劑.乙烯乙二醇醚.純度等級氣相色譜分Solvents for paints and varnishes - propylene glycol ethers - gas chromatographic determination of the degree of purity
顏料和清漆用溶劑.丙烯乙二醇醚.純度等級氣相色譜分Based on the theoretical analysis and experimental researches, it is presented that the wider spectra are resulted from the many fluorophores with large numbers of vibrational energy levels on the ground level in the blood cells, and the reduction of the spectral intensity is due to the reabsorption of the blood cells and the energy transfer of the collisions between the fluorophore and another one or other macromolecule. on the other hand, when the concentration of the blood cells is increased, the reabsorption of the blood cells, the secondary fluorescence due to the reabsorption and the influence of the concentration on the energy levels of fluorophores are all the factors of the red - shifted spectral peaks
在進行理論分析和研究的基礎上，提出了因血細胞中存在多種熒光團，且這些熒光團的電子能級上又存在大量的不同的振動能級，從而導致被激發的熒光團發出較寬的熒光光譜；血細胞濃度的增大，熒光團以及其他大分子之間的距離變小，造成它們之間因碰撞的能量轉移概率加大，因而易產生熒光猝滅，結果導致熒光強度的變小；血細胞溶液中重吸收所導致的熒光猝滅和二次熒光發射，以及血細胞濃度的變化對其中熒光團能級系統的影響都是導致熒光峰值波長「紅移」的原因；進而研究了led光誘導血細胞產生熒光光譜的機理。We first expand the nonlinear temperature - dependent convective and radiative heat transfer coefficient about the ambient temperature by taylor - series method, and then the crystal temperature and the pull rate as well as the bulk melt temperature are determined by the perturbation techniques in a simply analytical manner
分析之過程為首先將隨溫度變化之對流系數及輻射系數做泰勒級數展閉，再以攝動理論之技巧，同時求解晶圓棒之溫度、拉伸速度及溶解液之溫度。It was found that in the simulated physiological solution, the hydrogen bindings between some amido groups in the mp - 11 molecules are decomposed and the mp - 11 dimers become monomers. it induces the increase in the contents of the a - helical and ( 3 - turn conformation, the decrease in the content of the random coil conformation of mp - 11 as well as the increase in the exposure extent of the heme group. therefore, the reversibility of the electrochemical reaction and the electrocatalytic activity of mp - 11 for h2o2 reduction increase comparing the situation in the aqueous solution
發現在模擬生理條件下， mp - 11分子的多肽鏈上一些酰氨基的氫鍵發生了解離，使部分雙聚的mp - 11分子變成單體分子， mp - 11分子二級結構中-螺旋和-轉角結構的含量增加，無規捲曲結構含量降低，導致了mp - 11分子中血紅素的暴露程度變大，因此mp - 11電化學反應的可逆性和對h _ 2o _ 2還原的電催化活性比在水溶液中有所增加。In order to study the photochemical activity of the product further, this dissertation, taking methyl orange as a deputy of organism, has studied the relation between the concentration of the organism and the reactive time during the process of light degradation, and, on the basis of the relation, the kinetic process of the photocatalytic degradation was achieved by the treatment on the curve of the organism concentration to the reactive time : zero order reaction of the high organism concentration, first order reaction of the middle organism concentration, second order reaction of the low organism concentration
在產品對有機物的光降解方面，本文主要以產品光降解甲基橙溶液為例，研究了光降解過程中，有機物濃度與時間的關系。並在此基礎上，對有機物濃度與時間的曲線進行了動力學處理，得出產品光降解甲基橙的動力學過程分為三步，摘要即:高濃度時的零級反應、中等濃度時的二級反應和低濃度時的一級反應。In order to investigate the effects of ph, temperature, naf and bivalent cations on the conformation of the phosphatase in solution, we monitored the difference of intrinsic fluorescence of the phosphatase and compared changes of the enzyme activity under those conditions. the tertiary structure loosed and the intensity of fluorescence decreased below ph 6. 0. the intensity of fluorescence was lowest at ph 5. 0 and the tertiary structure was reconstructed as the solution ph was increased
其中在ph5 . 0及以下時，蛋白質的三級結構變得鬆散，熒光強度下降， ph5 . 0時尤為顯著，而當溶液ph高於5 . 0時（酶的最適ph ） ，樣品的熒光發射強度明顯增加，表明酶蛋白受溶液酸堿度的影響，構象發生部分變化，部分trp殘基向疏水環境移動，其三級結構得到恢復。The piezoelectric quartz crystal impedance analysis is a new method to study the quartz crystal resonance. it has been well established as a powerful tool capable of responding in situ to an electrode mass change down to the nanogram level and the change of the solution viscosity and density, and it is also expected to find wider applications in chemistry, life science, surface science, food science, environment monitoring and so on
壓電石英晶體阻抗分析法是研究石英晶體諧振的新技術，可獲取多維壓電信息，從而現場動態監測電極表面低至納克級的質量及溶液粘密度等響應，可廣泛應用於化學、生命科學、表面科學、食品科學、環境檢測等領域。Each product is noted from 1 to 4 according to its solubility in the cleaning solvent ( water ) : this data is available in the literature
每個產品按其在清潔溶劑（水）中的溶解度分為4級：這些數據都可在文獻中找到。Henan road technologies limited is a pure chemical production of fine chemicals mainly to study the high - tech enterprises, is the production of carbon jimiji surface - active agents, and conventional carbon surface active agent than its spot, more pro - oil base, a number of lower - level critical jiaoshu concentrations may increase as the number of levels of reactive surface in the extremely low concentrations of an outstanding performance, and some anions and surface active agent hunrong without precipitation
河南省道純化工技術有限公司是一家以研究生產精細化學品為主的高新技術企業，現生產多種吉米奇陽離子表面活性劑，與常規陽離子表面活性劑相比，其親水、親油基更多，可成數量級降低臨界膠束濃度，可成數量級提高表面活性，在極低濃度下即具有優異的性能，並可和部分陰離子表面活性劑混溶而不沉澱。分享友人