本體試樣 的英文怎麼說
中文拼音 [běntǐshìyàng]
本體試樣
英文
test specimen from casting itself-
( 6 ) in this paper. adopting fea software ansys to simulation and analysis the al ecap process. in order to spread out studying of ecap in the future. the results show : die comer angle, the radius of round angle, the friction coffience of workpiece and die, the properties of die ( elastic modulus, possion ratio ) et al, have some degree impact on the deformation of materials
（ 6 ）採用有限元（ fea ）分析軟體ansys對al的擠壓過程進行ecap模擬與分析，為后續研究工作做好鋪墊，分析結果表明：外切角、圓角半徑、試樣與凹模之間的摩擦系數、凹模本身的特性（如彈性模量、泊松比等）等等，對材料的變形量都由不同程度的影響。From the results of 10 ( superscript # ) transformer oil and deionized water, the error is limited to 5 %, which indicates the definite feasibility of the experiment
通過對110 （上標# ）變壓器油和去離子水等流體試樣的測量，實驗誤差控制在5 %之內，表明本實驗具有一定的可行性。And it is suggested that the outer environment would have its impacts on enculturation to an extent when there occurs some “ break ” in the important part of the process, which would lead to some issues worth studying. therefore, the following are the issues that the present paper intends to explore : what would happen to one ’ s enculturation if the “ break ” occurs, what impacts that the “ break ” would have on the process, and what would result in for the man in his real life
當受到外界環境的影響，濡化過程在某一重要階段發生某種程度上的斷裂時，濡化教育會發生什麼樣的變化，這些變化對濡化教育的正常進行會有什麼影響，這些影響具體到現實生活中會產生什麼樣的結果是本文試圖論述的幾個主要問題。The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film
試驗結果表明：所選原料的尺寸、形狀及純度可滿足固體潤滑劑的性能要求；聚四氟乙烯樹脂熱分解溫度超過400 ，但在ptfe中加入無機填料會使復合材料吸水率提高，熔融溫度及分解溫度降低，且伴有氧化分解反應；碳纖維表面含有c = o及c - o - c等極性基團，有利於提高其與其它組分的相容性，提高層間剪切強度；均勻設計試驗方法能夠用較少的試驗次數找出配方與摩擦性能間的關系，擬合曲線基本能表示各配方的摩擦系數發展趨勢；配方中不加銅粉或不加石墨，其摩擦系數均較高，說明銅粉和石墨應該配合使用；當銅粉15份、石墨60份時，銅粉30份、石墨30 - 40份時，銅粉60 、石墨15 - 30份時，摩擦系數均具有較低值；純聚四氟乙烯樹脂在空氣冷卻時結晶度最大，磨損量也是三者中最大的；同時，固體潤滑劑試樣在空氣冷卻時的磨損量也是三者中最大的：不論是固體潤滑劑與45 #鋼軸配副或是固體潤滑劑鑲嵌入銅套后與gcr15鋼軸配副，在金屬表面均可形成潤滑轉移膜，從而減少金屬摩擦副表面間的直接接觸，大大延長其使用壽命;轉移膜中主要含有較多的石墨、少量聚四氟乙烯、 moo 。This artiele tries to find out the tifferences by comparison between china ' s art of lettering of the time and the seal cutting in the ming and qing dynasties in china from the two aspects of artistic subject and creatine ranks, and then from the same abjeet of expression ( chinese characters ), from the same, technique of expression ( cutting cutting ), eraws experience and lessons from the art of seal cutting ( especially the seals of scholars in the ming and qing dynasties ) which was similarly deeplhy rooted in china and closely connected with tradition, so as to make a research on its location and orientation and promote sound development of the art of lettering of the time
摘要本文試圖從藝術本體、創作隊伍兩方面尋找中國當代刻字藝術與中國（明清）篆刻藝術相比較差距，進而從同一表現對象（中國漢字方塊字） 、同一表現手法（刻）和同樣紮根在中華大地上的、與傳統接軌的篆刻藝術（特別是明清文人印）那裡汲取經驗教訓，促使當代刻字藝術健康成長，作出定位、定向研究。The tensile and compression experiment on bulk nanocrystalline ag prepared by igc method was carried on mt810 with different grain sizes and zwick 10tn2s machine at different strain rates under normal temperature respectively. the stain rate sensitivity m was found to be 0. 025, which was extremely lower than the ordinary values. also the work hardening exponent is very low
本文從用惰性氣體蒸發冷凝和真空原位壓結法（ igc ）制備得到的直徑80mm ，厚度7 . 6mm的大尺寸納米晶金屬ag樣品上切割得到符合力學實驗要求的拉伸和壓縮試樣，在mts810和zwick精密力學測試機上分別精確測定了拉伸和壓縮應力?應變曲線與晶粒尺寸和應變速率的關系。Developing a software for the testing machine measuring and controlling system. the software can automatically switch control mode according to standard in the process of tensile testing and automatically judge constitutive mode of material. at the same time, it can automatically measure elastic modulus e, yield strength o s, proof strength, non - proportional extention o 0. 2, percentage extention 8, tensile strength o b, etc. it can applied in industry practice
在經典pid控制與模糊控制的基礎上，設計了模糊自適應pid控制應用於試驗機的應力、應變及位移控制； 3 、開發了一套完整的試驗機測控系統軟體，能在試樣拉伸過程中按標準自動切換控制方式並自動判別材料本構模式，能夠自動測定彈性模量e 、屈服限_ s 、條件屈服限_ （ 0 . 2 ） 、延伸率、強度限_ b等，應用於工程實際。In this paper, the property difference of sio2 sols used for preparing thin films by esam method or sol - gel process has been discussed. three kinds of sio2 sols were prepared, catalyzed by hcl or nh3 h2o only, or hcl first and then nh3 h2o respectively ( please note : in following text, the sio2 sol catalyzed by hc1 first and then nh3 h2o and its correspondent films will be named sio2 sol 1 # and film 1 ; the sio2 sol catalyzed by nh3 h2o only and its correspondent films will be named sio2 sol 2 # and film 2 # ). through investigating the assembling properties of the sols, observing thin films " microscopic structure with tem and testing their transmissivity with 721 spectrophotometer, we find that the first kind of sol is not suitable for preparing esam films, but the last two, i. e. sol 1 # and sol 2 #, are good
本文討論了esam法制備薄膜所用的溶膠與sol - gel法所用的溶膠在性能上的區別，在hc1或nh _ ? h _ 2o分別單獨催化和hc1 nh _ 3 ? h _ 2o分步催化三種催化條件下制備了sio _ 2溶膠（以下規定hc1 nh _ 3 ? h _ 2o分步催化的sio _ 2溶膠為1 ~ #溶膠，相應的薄膜為1 ~ #薄膜， nh _ 3 ? h _ 2o催化的sio _ 2溶膠為2 ~ #溶膠、相應的薄膜為2 ~ #薄膜） ，在通過組裝薄膜並用透射電鏡（ tem ）觀察薄膜微觀結構以及用721分光光度計測試樣品的光透射率，得出了后兩種催化方法所制備的溶膠適合於esam法鍍膜，而第一種溶膠不適于用此法鍍膜的結論，用傅立葉紅外光譜（ ft - ir ）研究了溶膠組成；用差熱失重分析儀（ dta - tg ）對膠體進行了熱分析。This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory
本文較全面、系統地綜述了國內外生物質熱解液化制取生物燃油技術研究發展現狀及存在的問題，主要研究內容有： （ 1 ）實驗、測定了20種常見生物質的能量（發熱量）和c 、 h 、 n元素含量，根據實驗結果分別建立了以h和c為自變量的生物質能量預測經驗公式，並通過r _ （ 0 . 05 ）檢驗；為閃速熱解液化裝置能量轉化率計算和生物質能量利用率計算提供了依據和方便； （ 2 ）選擇了8種生物質試樣作了等加熱速率（ 10 min 、 20 min 、 40 min 、 60 min ）和恆溫加熱的tg和dtg實驗，根據實驗數據和阿倫尼烏斯公式建立了生物質熱解反應動力學微分方程，並採用goast - redfem積分法和p函數對其動力學參數進行了求解，解析出各種生物質的頻率因子和活化能參數，進而建立了各種生物質的熱解動力學模型，為科學確定反應器的閃速熱解工作溫度范圍及熱解反應動力學描述，提供了理論和依據； （ 3 ）為研究和確定不同尺度的生物質顆粒中心達到全熱解的時間，在體視顯微鏡下對不同粒度的生物質顆粒的長徑比進行了實驗觀察和測定，得出生物質的長徑比（ l d ）一般在5 . 0 6 . 0之間，平均為5 . 3的結果； （ 4 ）採用復雜溫度場傳熱學理論對生物質傳熱過程及充分熱解時間理論進行了研究，解析推導出了不同尺寸生物質顆粒中心溫度達到充分熱解溫度的時間（ t ） ，得出了理論推導的充分熱解時間與最大產油率的熱解時間相一致的結果，為閃速熱解反應器固相滯留時間設計和預測提供了理論依據； （ 5 ）根據上述實驗結果，綜合運用工程力學、工程材料、機械設計學原理，推導、建立了轉錐式閃速熱解反應器物料滯留時間（ ）與轉速（或頻率）合理匹配理論； （ 6 ）提出了轉錐式閃速熱解反應器的最小錐角設計、錐壁強度設計、生產能力設計理論和功率計算方法及臨界轉速理論等。In the dissertation, a novel hybrid excitation constant voltage synchronous generator is adopted to improve the system performance, which takes the advantages of both electrical excitation and permanent magnet machines. a parted configuration is presented in order to design the structure of the generator. the adaptive digital adjustment is settled in principle using the single chip microcomputer 80c31 as the control core of the voltage regulator and adopting the proportion - integral - differential control as the control arithmetic, then a sample is made
論文對同步發電機的工作原理、性能特點、電機本體以及電壓調節器的硬體和軟體設計進行了研究，針對稀土永磁同步發電機變載、變轉速情況下輸出電壓不可調的不足之處，採用一種新穎的電機型式? ?自適應復合勵磁恆壓同步發電機，綜合了永磁發電機和電勵磁發電機的優點，提出一種磁路分開的結構進行電機本體的設計，並選用單片機80c31作為電壓調節器的控制核心，比例?積分?微分控制（ pid ）作為其控制演算法，從原理上較好地解決了其電壓的自動數字調節，並試制了一臺樣機。Based on the results of these tests, strength model and pore water pressure model have been advanced and validated. in addition, not only have the liquefaction mechanism of the soils been analysed, but also the influence of the factors on the extent of liquefaction of the saturated soils have been discussed
在總結前人工作的基礎上，結合本次試驗成果，分析了飽和土體的液化機理及其影響因素，主要討論了土性條件（包括試樣密度、顆粒特性、固結時間、超固結及其結構性）和初始有效固結壓力的影響。In the macroscopical field : ( 1 ) the relationship between the moisture and the speed of average collapse was attained, that is, the speed of average collapse will increase with increasing of the moisture at first, but it will decrease when the value get to certain max with increasing of the moisture ; ( 2 ) the model of relationship between the pressure and the speed of average collapse was established on the basis of experiment. the conclusion of that the speed of average collapse bouncing increase with increasing of the pressure was attained and the relationship between stress and distortion was established ; ( 3 ) the method of synthetical evaluation for collapsibility loess under the effect of time, pressure and moisture was offered
在宏觀角度上： （ 1 ）以遼寧阜新地區黃土試樣的固結試驗數據為分析對象，得到了黃土濕陷速率與含水量的關系曲線呈單峰狀態的結論，即黃土濕陷速率在土體浸水初期會隨著含水量的增加而增大，但當含水量超過某一數值趨于飽和含水量時，黃土濕陷速率卻隨著含水量的增加而減小； （ 2 ）立了黃土濕陷速率與壓力之間關系的數學模型，得出了黃土濕陷速率隨壓力的增大而呈階越增長的結論以及阜新地區濕陷性黃土的本構關系； （ 3 ）提供了在時間、含水量及壓力等因素共同作用下，對黃土濕陷性進行綜合評價的方法。In our work, many methods were used to study the shrinkage control mechanism of unsaturated polyester resins with low profile additives cured at low - medium temperatures, including a dilatometer for volume change which was designed and developed in our laboratory, and sem for morphology
本文的目的是研究加入低輪廓添加劑的不飽和聚酯樹脂在中低溫下固化的收縮控制機理。成功的試制了能夠測量樹脂固化體積變化的膨脹儀；用sem觀察了試樣固化后的最終形態。The cracks extend along the matrix / strengthening - phases interfaces and form the cleavage steps and tear ridges. there appear some very small dimples on the fracture surfaces of the directionally solidified samples, which come from the nb - based solid solution particles in the big plates of the strengthening phases, but no dimples on the fracture surfaces of the as - cast sample. it can be concluded from above results that niobium - niobium silicide based in - situ composites ( rmics ) with a uniformly orientated microstructure can be produced by the ebfzm with high temperature gradient, and their mechanical properties can be increased
隨著抽拉速率的提高和硅化鈮強化相間距與尺度的減小，材料的室溫拉伸強度和斷裂韌性均有提高， _ b最高可達778 . 4mpa ， k _ （ ic ）達到了46 . 3mpa ? m ~ （ 1 / 2 ） ；試樣的拉伸斷口基本表現為脆性解理斷裂的花樣，裂紋沿基體強化相界面繞過強化相進行擴展，在裂紋擴展方向存在解理臺階，並形成撕裂棱。The conclusions have been deduced from the detailed analysis of a set of experimental results as below : 1 ) the formula of tangent young ' s modulus et has been established during the unloading process ; 2 ) the shearing features of the samples are similar to undrained test even though there are draining paths so the possion ratio of the sample is about 0. 5 ; 3 ) unloading paths have little effects on the shearing strength parameters
通過對試驗結果的分析得到： 1 ）任一時刻土體的切線彈性模量公式； 2 ）卸載情況下盡管存在排水通道，但試樣仍基本上表現為不排水的性狀，按廣義虎克定律得到的泊松比在0 . 5附近； 3 ）卸荷應力路徑對土體的強度參數影響不大。It is regretful that we cannot find an article on deng zihui ' s overall agricultural thought. so i try to remedy this defect. this dissertation is divided into three parts : part i : thought on agricultural important status
遺憾的是，對于這樣一位為我國農業作出傑出貢獻的領導人，學術界卻缺乏對其農業思想作整體的研究，本文試從整體上對鄧子恢的農業思想加以探討。In this paper, aluminum foams with 40 % - 80 % porosity. 2 - 5mm pore diameter, and 0. 4 - 0. 6 restive density, were produced by the p / m method, i. e. by mixing 6061 powders and blowing agents and pressing them to densification, then foaming
本論文闡述了粉體發泡法制備泡沫鋁的工藝，即把少量的發泡劑（ tih _ 2粉末）和6061鋁合金粉末混合均勻，然後壓製成試樣，再進一步熱壓，最後在金屬基體熔點附近發泡。In this study, we use different particle of carbon powders mixed with epoxy - resin, and coating on polyester woven fabrics for designing the electromagnetic wave absorbing screens, and employ the matching of impedance to designing the transfer of single or plural layers, and observe the influence of the amount of layers and the methods of collocating screens, to attain the method of collocating screen, which achieve best effect of absorbing of electromagnetic wave
摘要本實驗採用碳粉混合環氧樹脂，塗抹在聚酯布上，做為電磁波吸收體之表面護幕和間距護幕，以單層和多層疊合，並利用阻抗匹配的理論，觀察疊層層數和排列試樣的方法，對電磁波吸收效果的影響，藉由此求出具有最佳吸收效果的排列方法。Ttis paper sms the recen research results in the topic, maks a briefly descripon of the foral risks, then researthes on the mechanism to cause them, introduces way to assess the level of anancial risk. based on it, this paper finds out the main finaniai ratios to influeoce risk through survtw, and bulld the financial riskleve forecasting model by the method of two group ofdiscdrinate analysis. ih the research, 60 listed compedes are selected as our statstical analsis samples and cataloged into two groups, which has 30 samples, one is company which is no specially wdopn st ) the othe is on the cotw ( st )
本文對已有研究成果進行了總結回顧，接著從我國上市公司財務風險的現狀分析入手，揭示了上市公司總體財務風險的水平，並從多方面具體分析了上市公司財務風險的成因，然後介紹了財務風險評估的幾種常用方法；在此基礎上，採用問卷調查法確定了財務風險預警指標體系后，選擇滬深兩市60家上市公司作為估計樣本（其中30家為st公司， 30家為非st公司） ，運用兩組判別分析法建立了上市公司財務風險預警模型，再選擇了20家上市公司作為測試樣本，來測試已建立模型的效果；對ykf公司的財務風險進行綜合分析，其結論與運用建立的預警模型的測試結果相吻合，故對其發出了財務風險預警；最後，針對我國上市公司的實際情況，從完善公司治理機制、重塑社會信用體系等方面提出防範公司財務風險的對策和建議。A continuous on - line monitor for volume deformation of cement - based material under multi - environment has been developed, which is designed with the environmental simulation technology, micro - distance measuring technology of laser and eddy current and the transmission agent and then realizes the automatic non - contact monitoring of the deformation of multi - group samples under multi - environment, furthermore, it is suitable to test the early - age deformation of the samples with the moulds self - designed
摘要開發出一種多環境下水泥基材料體積變形在線監測儀，本儀器採用環境模擬技術，激光、電渦流測微技術及傳動系統，實現在多環境下，對多組試件進行非接觸式變形自動化監測，並利用自行設計的模具，可對試樣進行帶模測試使其適合早期體積變形測試。分享友人