試樣減分 的英文怎麼說
中文拼音 [shìyàngjiǎnfēn]
試樣減分
英文
sample division-
If the sample absorbs at the frequency of the impinging light, then the light leaving the prism will be attenuated.
如試樣吸收一部分入射光，那麼離開棱鏡的反射光，將衰減一小部分。The structure and operating principle of an air - charged split - type adjustable shock absorber was described, e non - linear parameterized mathematical model of this shock absorber ' s damping characteristics was established according to fluid mechanics theory and the main structural affection factors to shock absorber ' s damping performance, such as the diameter of piston valve orifice, the diameter of adjustable orifice, the initial volume of gas chamber, the diameter of piston rod, the inner diameter of oil pipe and so on, were analyzed by simulations
摘要通過分析一種分體式充氣可調阻尼減振器的結構和工作原理，運用流體力學理論，建立了該減振器阻尼特性的非線性參數化模型，模擬分析了活塞阻尼閥孔徑、阻尼調節孔徑、氣室初始體積、活塞桿直徑、油管內徑等主要結構參數對減振器阻尼性能的影響，通過試驗測試，得到了減振器樣件的阻尼特性及其可調范圍。Teachers pay more attention to career development and the free - lancer emphasis in developing enterprises and self - expressing. to sum up, adult students " learning motivation has some unique features, including wide variety of motivations, instability of the learning interests, and some motivation changeability. the social contact factor cannot be neglected and the pursing degree motivation is decreasing
由分析結果可以發現，成人學員被試的學習動機存在如下特點： 1 、學習動機呈多樣性、 2 、學習興趣存在不穩定性、 3 、動機具有一定可變性、 4 、交往動機不容忽視、 5 、文憑動機強度減弱。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 。How eradicate completely to cheat : the reform of [ with ] the enlargement examination method, reduce the final result the comparison have in the course result, change the target control to control for the process ; end, should be perfect to the student ' s review systems, beg the solid spirit and creative ability as the 評 label student ' s foundations, for study result the strength and progress of the still not enough good student want to give to be well affirmative, formation encouragement the student become useful, help the student become useful of good atmosphere
怎樣杜絕作弊:加大考試方法的改革，減少期末考試成績在課程成績中所佔的比例，變目標控制為過程式控制制；最後，應完善對學生的評鑒體系，把求實精神和創新能力作為評簽學生的基礎，對于學習成績尚不夠好的學生的長處和進步要予以充分肯定，形成鼓勵學生成材、幫助學生成材的良好氛圍。At the end of the courses a test with the same meter followed, the data of which were collected, analyzed and then compared with those of the previous test so that the feasibility and the actual effect of the self - edited teaching material could be inspected
輔導干預后再用同樣量表進行測試和評定。通過對前後測試數據的收集、處理和分析，檢驗自編的理情教育輔導教材的可行性和科學性以及確定輔導課程在消除或減低情緒困擾和提高學生的心理健康方面的實效。The metastable austenitic phase of s s fiber at the interface of the fiber / cu composite would turn back to equilibrium with the interfacial energy and inter stain inducing, when the cu films were separated from s s fiber. so the magnetism value of the s s fiber declined. the information of grain - orientation at the interface of the fiber / cu composite can serve as a mechanism responsible for its declining coercivity, and a part of cu elements diffused into s s fibers
不銹鋼纖維銅復合體去除銅層后，原有的界面能及應力下降，使得原纖維界面處弱磁性的部分亞穩奧氏體，恢復到平衡態，它們對樣品s測試結果不再有貢獻；不銹鋼纖維銅復合體中，處于界面處的纖維晶粒具有很強的軸向取向排列，當晶粒取向性減弱，磁疇轉動的阻力增加，磁體的矯頑力上升。Although reducer can avoid step sense and oscillation partly, the strap transmission will influence orientation precision ( it is key norm to the small metallographic sample cutting machine ), so plan to use step motor to drive the screw directly, the step motor at low velocity, which is not drived by the subdividing drive system, will have obvious oscillation and noise that would influence the cutting function, the usage life and sample structure
由於步進電機是通過皮帶輪減速來驅動絲杠，進而帶動砂輪片前進和後退，雖然減速能部分消除步進感和振動，但皮帶傳動會影響定位精度，定位精度對精密切割機十分關鍵的技術指標。採用步進電機直接驅動絲杠，未經細分驅動的步進電機在低速運行時，有明顯的步進感、振動和噪聲，從而對切割的性能、砂輪片的使用壽命、試樣的組織結構產生較大的影響。According to the re - attacking property of the drone using the method of zero times sample test, the loss of the drone in flight test is decreased. after the data of hitting point is gotten in test, the bayesian method, which is based on the data of the test and the information of the simulation before the test, is used to analysize the precision guidance
對飛行試驗的靶試結果的分析，採用了兩種方法：零次靶試和小子樣靶試，零次靶試利用了無人機可拉起后進行重復攻擊的特性，以減少試驗損失，在得到落點數據后，運用bayes方法對落點信息和模擬信息進行分析，獲得其制導精度。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。The difference among the elasticity modulus of various microstructures is probably the main reason, which caused the experiment results above. under the same experiment conditions, such as sample shape, size, surface roughness, establishment of testing system, pressure on the probe, and thickness of coupling medium, the variety of relative attenuation coefficient ( or ) in different heat treatment samples is measured and compared by measuring the attenuation obtained from the cylindrical surface of column. the result is as following : for 40cr and 38crmoal, a mt < az mq < a s < a p + f ; for gcrlssimn, a mt < a annea < s < a p + f ; and a increased with the increasing of frequency
在保證試樣形狀、尺寸、表面光潔度、系統參數設置、施加在探頭上的壓力以及耦合層厚度等測試條件一致的情況下，利用棒材圓柱面測衰減系數法，分別測定並比較上述不同熱處理試樣相對衰減系數的變化情況，得到的實驗結果是：對於40cr及38crmoal鋼， _ （低溫回火） （淬火） _ （高溫回火） _ （正火） ；對于gcr15simn鋼， _ （低溫回火） _ （退火） _ （高溫回火） _ （正火） ；且隨著頻率的提高，衰減系數均呈現增加的趨勢。Good ohm contact resistance can make the differential resistance of the laser small and the test results of the lasers, which are produced under the optimal conditions, prove it
製作良好的歐姆接觸可有效減小激光器微分電阻，在最佳工藝條件下製作的激光器樣品的測量驗證了這一試驗結論。Based on qualitative analysis and comparison of several options for suppressing transverse vibration on deck type steel plate girder of railway bridge, conclusions are made as follows : with static reinforcing, the vibration amplitude can be suppressed to some extent, but quasi - resonance of the bridge can not be avoided, moreover, the construction is inconvenient and costly. with option of two bridge connection, the effectiveness of vibration suppression is clear ( the damping ratio approaches 50 % ) and it is fairly economic and easy, however, the quasi - resonance of the bridge can not be avoided either. with dynamic option ( mtmd option ), the quasi - resonance of the bridge can be effectively avoided ( the damping ratio is up to 51. 38 % as tested in field ), moreover, the construction cost is low, and the construction is simply and convenient
通過對目前抑制鐵路上承式鋼板梁橋橫向振動的幾種方案進行定性的分析和比較，認為：靜力加固方案可以使橋梁振幅有所減小，但不能避免準共振現象的發生，而且工程造價較高，施工也不方便；兩橋連接方案減振效果明顯（減振率近50 % ） ，比較經濟也比較方便，但同樣不能避免準共振現象的發生；動力減振方案（ mtmd抑振方案）可以有效的抑制橋梁的準共振現象（現場試驗中減振率達51 . 83 % ） ，而且工程造價較低，施工簡單、方便。The items carried out in this course including uv - vis analysis of dyes and organic compounds, determination of cr6 + in aqueous solution, quantitative analysis of inorganic phosphate, quantitative analysis of fe2 +, quantitative analysis of amino acid, application of atomic absorption, conductivity titration, acid - base titration, application of liquid chromatography, anionic chromatography, cationic chromatography, total organic carbon analysis, determination of chlorophyll and application of infrared spectrometer
實驗項目包括染料色素及有機物的紫外光可見光譜分析、水中六價鉻含量測定、無機磷酸鹽的比色定量、試樣中鐵的比色定量、胺基酸的比色定量、原子吸收光譜法的應用、電導滴定方法的應用、酸減滴定法的應用、液相層析方法的應用、陰離子層析、陽離子層析，氣體層析、總有機碳分析、葉綠素含量測定及紅外線光譜法應用。The proper temperature is felt about from the substrate of p ( 100 ) cz - si, and it is found that the solar cell conversion efficiency has been improved from 8. 85 % to 11. 45 % for the annealing process. suitable processing conditions for cells " fabrication, hydrogen passivation, sinx anti - reflection coating deposited by plasma enhanced chemical deposition ( pecvd ) are also studied
將太陽電池樣品分別用pecvd （ plasmaenhancedchemicalvapordeposition ）做減反射膜，用fg （ forminggas ）燒結，測試電池性能，發現用pecvd處理后電池效率有所提高，用fg燒結后同樣有所改善。Power transformer test is simulanted in test - room, try to prove that online measure of transformer test is feasible. the test results are satisfaction. in the end, there is software design : the instrumented - test - interface is developed ; location computer entering to sample state is the same time, and after the same " log time ", it stops the data sample note. every test signal data keeping in the data note memorizer is at the same time, so it realizes data synchronization collection. some blocking design in the process of software design can apply to the other software
文章的最後，針對變壓器試驗微機測試系統對電流、電壓、功率等變量數據採集的特殊要求，分析了同步誤差的產生原因，給出了同步軟體采樣的無差條件；建立了電壓電流有效值和平均功率測量誤差的數學模型，提供了減小測量誤差的措施；應用「同步軟體采樣技術」 ，不需要增加采樣周期數，不需要硬體同步環節，較好地解決了同步誤差對測量精度的影響。It has been shown that this updated sampling and measurement method, which can measure the content of tar and dust individually, appears much more precise and credible, particularly aiming at the characteristic of heavy tar and dust content in biomass gas. this clarification system that adopts two - level shell and tube condensers and one tar removal filter, has the advantages of high removal efficiency ( 97 % ~ 98 % ) and low operating cost. besides, it has been made more environmentally friendly considering that wastewater from condensers has measured up to related effluent state standards after being disposed in tar clarifier - tank
多次試驗表明：針對生物質氣浙江大學碩士學位論文含焦油灰塵量大的特點，改進的生物質焦油取樣測量法可實現焦油和灰塵的分離，有較高準確性和可靠性；採用二級管殼式冷凝器與一級乾式過濾器結合的燃氣冷凝凈化系統不但凈化效率高（ 97 98 ） 、運行費用低，而且含焦油廢水二經過澄清池澄清處理后可達到國家相關污水排放標準，避兔了濕式凈化系統的水污染；兼顧凈化效果、經濟性和減少污染考慮，採用以半焦為吸附材料的于式凈化系統可以達到炊用燃氣對焦油含量的要求。Modeling of mechanics multibody system is the primary sustaning technology of virtual prototype. it is the base of virtual prototype to realize simulation. design and control. the technology of virtual prototype has changed the tradisional design based on physical prototype, and has greatly reduced the expensive and time wasting manufactrue and exprements of physical proto type. it allows the users analyse and compare rared of designe plans fastly. it can realize optimized design, and can find the potential questions in the early design. it is the effective method to improve qualities of products, to shorten the developing cycle, and to reduce the developing cost
機械多體系統動力學建模是虛擬樣機的主要支持技術之一，它是虛擬樣機實現模擬、設計製造和控制運行的基礎。虛擬樣機技術改變了傳統以物理樣機為基礎的設計，大大減少了昂貴而費時的物理樣機製造及試驗過程，使用戶可以直接在計算機上快速分析比較多種設計方案，進行優化設計，在設計的早期及時發現潛在的問題，是提高產品質量、縮短產品開發周期，降低產品開發成本的有效途徑。And the field of scientific research have been attached importance to research of subsoiling and develop of subsoiler, and gained considerable development, but subsoiling technology has not been extensive application, subsoiler has so many limitations too, and great resistance is prominent limitation. this dissertiation start with improving the status of resistance, optimizing parameter of structure, ploting structure graph of subsoiler by autocad, and constituting mathematical model of subsoiler resistance, finding out every affect factor of resistance, it is not only significant to optimize subsoiler, but to gain more precise value and parameter. and that it can detract the process of producing sample, experimentation and correcting, in addition to economizing time, saving resource and enhancing efficiency
本文從改善深松鏟受力狀況、優化其結構參數以更好的滿足深松要求入手，利用計算機輔助設計（ autocad ）技術繪制深松鏟的結構圖形以利於其分析和設計，並通過對現存深松鏟的結構和受力分析，建立了深松鏟工作狀態的受力數學模型，找出了影響深松鏟受力的各個因素，不僅對深松鏟的優化有著重大的意義，而且可以得到更加精確的數值和參數，並減少了必須生產出樣機進行試驗、修正等煩瑣的過程，大大節省了時間，節約了資源，提高了生產效率。By means of mechanical properties determination, optic and electronic microscope examination and practical application it is verified that the usage of cap type filter could improve steel casting properties and effectively reduce inclusive cast defects in investment casting
通過測定鑄鋼試樣的力學性能、進行金相分析、電子顯微分析和生產應用，驗證了採用熔模鑄造帽式過濾器能改善鑄鋼性能、有效減少精鑄件由於夾雜所造成的廢品。分享友人