液性限度 的英文怎麼說
中文拼音 [yèxìngxiàndù]
液性限度
英文
liquid limit apparatus-
Compared with the behavior of macromolecules in real solution system, the adsorption information in the monte carlo simulation system, such as adsorption isotherm, surface coverage, and bound fraction, was studied for discussing its relation to simulation parameters. five - selection simple cubic lattice, self - avoiding walk, and nearest interaction model were used to construct the homopolymer adsorption model on the solid - liquid interface. periodic boundary conditions were used to reduce the fixed error from limited cubic lattice in size
模擬中採用五選擇簡單立方格子上的自迴避行走和最近鄰相互作用模型；使用周期性邊界條件以減小有限大格子空間帶來的系統誤差；用鏈節間相互作用能、界面吸附能、體相濃度和鏈長約束體系中的高分子的吸附行為；用末端轉動、 l -翻轉、曲柄運動、蛇形運動和r - r切除-生長法對模擬體系進行擾動；用系統達到吸附平衡后的樣本來研究模擬體系中的高分子鏈在固液界面上的吸附。Laser, ultrasonic beam and microwave are used in non contacting level measuring systems. laser systems suffer from dirt, ultrasonic sensors are strongly affected by changes of the velocity of sound and usually a pipe is needed to couple the ultrasonic waves into the liquid tank, which is difficult when there is a high pressure or when explosion protection is necessary
壓力式液位測量系統原理簡單、成本低，但測量精度和應用場合有一定的局限性，超聲液位儀精度較高，但設備復雜，一般需要用導管將超聲波傳到被測的液體中，因而安裝維護較麻煩，激光測距系統對環境要求嚴格。Abstract : the model parameters for uniquac and nrtl equations are obtained by using the infinite dilute activity coefficients of a component at several temperature and the nonlinear regressive technique. the vaporliquid equilibrium ( vle ) data calculated by using the parameters for uniquac or nrtl equation is agreement with that from vle experiment
文摘:通過一個組分在不同溫度下的無限稀釋活度系數，利用非線性回歸確定了四氫呋喃1 ， 4丁二醇、水1 ， 4丁二醇二元體系的uniquac 、 nrtl溶液模型參數.用所獲得的兩溶液模型參數對三元氣液平衡數據進行理論推算，並與實測的三元氣液平衡數據進行比較，發現兩結果比較吻合During the temperature fields, the results indicate that the processing parameters such as the extrusion velocity, casting temperature, perform preheating temperature, die preheating temperature and so on are important for the temperature fields besides the dwell time. they are must be in concordance each other to the deforming zone is in the quasi - solid state, and the stable semi - solid extrusion is implemented. during the deforming fields, the hyperbolic sine thermo - rigid - viscoplastic fem model is selected according to the forming feature of the process, and the variations of the stress - strain fields are studied
在溫度場的模擬中，模擬結果表明，保壓時間是影響製件成形質量的關鍵因素之一，擠壓速度、液態金屬澆注溫度、預制體預熱溫度和模具預熱溫度等工藝參數對溫度場的影響也很大，需進行參數之間的協調，只有當變形區內部始終維持準固態時，才能實現穩定的液-固擠壓成形過程；在變形場的模擬中，根據液態浸滲擠壓的成形特徵，選用了雙曲正弦剛-粘塑性有限元計算模型，研究了變形過程中應力應變場的變化規律，研究了模角對變形和金屬流動的影響及變形力的變化過程和其影響因素。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。Liquid helium cryocondensation pump has great advantages in large pumping speed, working pressure range and high ultimate pressure, etc. it ' s more excellent than any other vacuum pump. it can meet the vacuum requirement of nbi and can improve the transportation efficiency. the development of neutral beam injection ( nbi ) system in the world, the structure of nbi system used on the ht - 7 device of asipp was introduced in the thesis
液氦低溫冷凝泵是利用低溫面對氣體有強吸附能力的原理，實現抽氣的真空獲得設備，它具有抽速大、工作壓強范圍寬、極限真空度高等一系列優點，是普通真空設備無法比擬的，作為中性束注入系統的主抽泵，它能滿足中性束注入系統對大抽速的要求，提高中性束的傳輸效率。Corporate system is a typical form of the modern enterprise system ; it is the result of modern market economy and the large - scale socialized production. because of the limited risk and the unlimited benefit, it greatly stimulates the investor ’ s enthusiasm and strongly promotes the development of contemporary society. corporate capital is the “ blood ” on which a company should live, the material base for management of a company, and property foundation for a company ’ s responsibility
公司制度是現代企業制度的典型形態，是現代市場經濟和社會化大生產的產物，它以投資者風險責任的有限性和資產受益的無限性極大地刺激了投資者的積極性，快速地推動當代社會的發展;公司資本是公司賴以生存的「血液」 ，是公司經營的物質基礎和公司對外承擔責任的財產基礎;現有法定、折衷和授權三種資本制，英國、美國等實行授權資本制，德國、日本、韓國等最初實行法定資本制，因實踐中存在的問題越來越多，先後改法定資本制為折衷資本制;近年來，就實施何種公司資本制度最有利於公司的發展成為大家關注的問題，學者們眾說紛紜，並沒有達成一致意見。Finite difference time - domain method is used to calculate the reflection for these probes and absorbing boundary condition is used to deal with the singularity in the axis of the coaxial - line in the simulation. by comparing the reflection of different probes, the best probe has been selected according to sensitive requirement. the influence of parameters : such as thickness of protective film, length of protruding inner conductor of the coaxial - line probe to the measurement has been studied
通過時域有限差分法進行數值模擬分析，並採用吸收邊界處理同軸線軸心奇異點，計算出各種探頭測量相同溶液的反射系數，根據其測量的靈敏度，選出最優設計；並通過分析所選探頭的各種設計參數，如薄膜厚度、內導體伸出長度等的變化對測量結果的影響，找出該探頭各參數的最佳范圍，使其具有高度靈敏性，以適用於測量化學反應溶液的介電常數。This paper is consisted of two major parts : one deals with the general working performance of the fmghp by setting up mathematic model and developing computer procedure, getting the datum related to the capillary flow and heat transfer, analysing the working characteristics of fmghp in different working temperature, heat flux and inclination angle etc. in this part, the prediction of capillary and boiling limit are also included. the other major part studies the flow and heat transfer characteristics in the micro - film region formed by the meniscus attached on the metalic fin in the micro rectangular groove. investigations on the influence of width of groove and other factors on heat transfer in this region have been made. the importance of this micro - region in the heat transfer of the entire heat pipe has been unveiled. the heat transfer characteristics gotten by this research could be used in design and application and also optimization of this kind of fmghp
本文在大量查閱現有國內外文獻的基礎上，總結並綜合前人有關微槽平板熱管理論研究方面的成果，對單面刻有槽道的微槽平板熱管進行了較為深入和細致的研究。本文的研究共分兩大部分，其中第一部分考察了該型熱管的整體工作表現，通過建立數學模型和開發相應的計算程序，得到了熱管內部毛細流動和傳熱的數據，分析了熱管在不同工作傾角、不同加熱熱流以及不同工作溫度等情況下工作特性的變化規律，考察了汽液界面上的剪切作用對熱管傳熱量的影響，並且進一步在理論上預測了該型熱管的毛細和沸騰極限。It was shown that salt expansion value of low liquid - limit clay was accumulated before the sixth freezing and thawing cycles, but the increment of salt expansion was reduced gradually with increasing cycles ; the salt expansion accumulation of low liquid - limit clay could be separated into three phases ; the deformation of clayey sand was mostly frost heave and subsidence under cycles, and collapsibility value of clayey sand was accumulated with increasing cycles ; the variation of salt expansion ratio and collapsibility ratio was a parabolic function of freezing and thawing cycles
試驗結果表明：低液限粘土前五次凍融循環過程中鹽脹具有較好累加性，隨著凍融循環次數的增加，鹽脹量增長速度逐漸降低；含砂低液限粘土的鹽脹過程可以被分為三個階段；粘土質砂在凍融循環過程中的變形主要為凍脹和沉降變形，具有較好的溶陷累加性；低液限粘土、含砂低液限粘土的鹽脹率和粘土質砂的溶陷率與凍融周期之間的關系符合二次拋物線變化規律。In the light of its special property being not easy to gain strength, through mechanics researches on different methods to stabilize this kind of low _ liquid _ limit silty soil as subbase material, evaluated both technically and economically, we have got a cement lime stabilization plan to meet the index requirements for non _ side _ limit strength of compression of subbase of class2 road stipulated in the specification ; by means of improving the workmanship, thickening the loose layer of soil, adding soil on covering weave fabric before compaction, such problems can be solved as very poor compaction, loose surface during compaction, roughness and unevenness, coats of layer and shear damages
本文針對黃河沖積而成的低液限粉土其粘粒含量極低、土的不均勻系數很小、膠體活性差的工程特性，通過採用不同方法穩定該類土作底基層材料的力學性能研究，從技術、經濟角度綜合評價，得到滿足規范抗壓強度指標要求的水泥石灰穩定方案。通過對原材料、試驗配合比設計、施工、等方面進行優化，從而顯著減輕了基層的早期及長期縮裂程度，從而提高了路面的耐久性。The reasonableness of the numeric method for computing limiting concentration of light component in distillate is confirmed using the calculated results of the example
通過舉例計算檢驗了餾出液中輕組分極限濃度的數值計算方法的合理性。It elaborates on the function of main parts of the polishing machine and its realization, and design a new type of permanent pressure monitoring system to overcome the limitation of the narrow spacial size which it is impossible that the application of traditional hydraulic control devices to achieve permanent pressure grinding. the model of polishing machine has been completed by pro / engineer
對拋光機結構、精度及相應的控制系統框架進行了設計;對各個主要部分的功能及其實現等進行了闡述;並設計了一種新型的類恆壓力拋光裝置，克服了空間尺寸狹小、無法應用傳統的液壓控制裝置實現恆壓力磨削的局限性。Decreasing cell thickness will increase the influence of surface interaction to mid - cell phase transition, and increase the temperature, anchoring field strengths region for biaxial phase. at very high value of hc, phase symmetry in mid - cell lags behind that in surface. keywords : liquid crystal, phase transition, surface energy
對有限厚度液晶盒，減少盒厚可增加表面相互作用對系統的影響，使雙軸相所在溫度區域增加，表面與盒中心液晶的對稱性並非總是同步，當| h _ b |較大時，盒中心液晶雙軸相的對稱性明顯滯後於表面。The unconfined compressive strength, shearing strength and permeabi lity of stabilized soils were tested in laboratory, the strength of contaminated composite soils sampled with different ph and soaped in corresponding ph were compared. the results from experiments indicate that there exists a certain relationship between the soft soil properties and the unconfined compressive of grouted soil. with the increase of water content, porosity ratio, degree of porosity, plasticity limit, liquid limit and liquid index, the compressive strength of cement - sodium silicate - stabilized soil decreases, while increases as the bulk weight and compressibility modulus
通過對水泥?水玻璃加固土的無側限抗壓強度試驗，以及用不同酸堿性水製成與養護的固結土所進行強度對比試驗，得出軟土的物理力學性質指標與加固土的抗壓強度之間存在一定的相關關系，即隨著含水量、孔隙比、孔隙度、液塑限及液性指數的增加，水泥?水玻璃加固土的抗壓強度相應地降低；而隨著原狀土的容重、壓縮模量的增加，水泥土的抗壓強度也隨之增加。The study solves engineering problem as follows : ( 1 ) the systematic study on the historical course of xigeda strata deposit and geologic environment includes strata, lithologic characters and constitution et in the liangshan and panzhihua region. the results show that the xichang - panzhihua express way is controlled by the anninghe fault and the xigeda fault, the earthquake frequently happen in the region of pass, the different sedimentation number is more great, they effect the road building, safety in operation and structure belong road ( 2 ) because in some place the xigeda strata is foundation and roadbed, the study on the basic properties of the xigeda strata include density, moisture content plastic and liquid limit graduation. the results show that the xigeda strata is deposition in lake, the main component is mudstone and sandstone, the fine particle is main, it has some viscosity, the moisture content of mudstone is different the it of sandstone, the other property are likeness. the xigeda strata has no dilatation on total, some claystone have low and medium dilatation ; ( 3 ) the study on the basic properties of xigeda filler include the composition of matter the biggest standard dry density, the optimum moisture content the results show that xigeda filler can use as road material, it is well grade filler and admixture filler on essence, its compaction index should change in different place because the property is controlled by mudstone and sandstone that change is great in different place ; ( 4 ) the study on the xigeda filler craft used as express way roadbed, includes suitable thickness, compaction numbers and methods and equipment choice et
公路沿線廣泛分佈有昔格達地層，昔格達地層能否用作高速公路路基填料，國內沒有先例，本論文就是結合導師的科研項目，在非典期間，現場長達5個月的工作，完成了從試驗、現場施工工藝到路堤分層沉降監測等工作，是面對生產實際，認識昔格達地層的性質和其作為地基、路基和填料應用中面臨的問題進行的研究。主要的研究內容有：對攀西地區地層巖性、構造等地質環境和昔格達地層的沉積歷史過程作了系統的分析，研究表明西攀高速公路主要受安寧河斷裂和昔格達斷裂影響，通過地區地震活動頻繁，差異沉降較大，對公路建設、安全運行和沿線構築物設計有較大影響；由於昔格達地層在有些路段作為地基、有些作為路基，對其基本性質進行了研究：包括天然密度、含水量、塑液限、顆粒級配等指標的試驗研究。研究成果表明：昔格達地層為湖相沉積，主要為砂巖和泥巖，它以細粒組為主，同時粘粒的存在，使其具有一定粘性。However, their high viscosity and insolubility in neutral aqueous solutions restrict their uses in vivo recent studies on chitosan have attracted interest for oligochitosan which is not only water - soluble, non - toxic, biocompatible but also possess versatile functional properties
但是它們的高粘度和在水溶液中的不溶性極大的限制了在體內的應用。於是低分子量、水溶性好、無毒且生物適應性好的殼寡糖逐漸得到了重視。This part emphasizes the synthesis of nanoarrays, aiming at controlling the size and distance of nanocrystallites using calixarene derivatives by altering the size, length and chemical structure of the organic molecules ; 2. this part emphasizes in situ synthesis strategy for fabrication of polymer network of zns based nanopowder, aiming at size controls, coating and preventing agglomeration following " one - pot " synthesis ; this method fits to low cost, large scale production ; 3. according to development in zno nanomaterials, we first report on the synthesis, characterization of amorphous zno, aiming at describing the principles and approaches of synthesis techniques, optical properties, spatial structure and doped effect ; the amorphous zno displays cage - like structure, showing a strong ultraviolet emission while the visible emission is nearly fully quenched, a potential uv - emission material ; 4
本論文以量子結構自組裝為出發點，提出利用杯芳烴及其衍生物的化學受限反應實現尺寸可調半導體納米粒子自組裝；提出有機聚合網路原位組裝zns基納米熒光粉方法，把熒光粉的納米化、包敷、防團聚在「一鍋」反應中完成，適于低成本，批量生產；根據當前zno的研究情況，我們首次合成了非晶zno ，研究了它的光學性質，確定了它的結構，並對其摻雜進行了初步的研究，非晶zno表現出強的深紫外發光特性，而可見發射非常弱，是一種有巨大潛在應用價值的深紫外發光材料；利用非晶zno的亞穩特性，對晶化過程中非晶zno納米晶zno三維受限量子結構特性，界面特性進行了深入的研究；利用固相熱分解一般受擴散控制特性，實現了尺寸可控的zno三維量子結構的自組裝；利用非晶zno的高度分散性，容易均勻成膜特性，實現了非晶籽晶誘導低溫液相外延自組裝生長高取向zno晶體薄膜。The optode shows a satisfactory linear response for the dissolved oxygen in water ( r = 0. 9992, n = 6 ) the relative standard deviations were 1. 7 % 5. 0 %, the detection limit was 0. 03 11 g / ml ( sfn = 3 ). the exposure time and recovery time of the optode membrane are 30s and 90s respectively. the reversibility of the fluorescence signal was evaluated by alternate measurements in oxygen saturated water and nitrogen - purged water
7 5刀之間，最低檢出限為0刀3pg il ；考察了標準海水中主要離子濃度放大1倍后的樣品溶液、鹽度在0 49范圍內的人工海水，以及ph在l 13范圍內的緩沖溶液等干擾因素的對膜響應的影響，結果無顯著性干擾；將本法與國標法相比較，驗證了方法的可用性，最終用於在線監測海水中的溶解氧。The front double - wishbone suspension features a hydraulic mount to minimise vibration through the steering wheel. multi - link rear suspension is designed for increased ride comfort with anti - lift and anti - dive technology
雙橫臂前懸為液壓懸掛，可最大限度地減輕方向盤振動，多連桿后懸架採用防顛簸技術以提高駕駛舒適性。分享友人