浮體穩定性 的英文怎麼說
中文拼音 [fútǐwěndìngxìng]
浮體穩定性
英文
floatation stability- 浮 : Ⅰ動詞1 (漂在液體表面) float; drift 2 [方言] (在水裡游) swim Ⅱ形容詞1 (在表面上的) superfici...
- 體 : 體構詞成分。
- 穩 : 形容詞1 (穩定; 穩當) steady; stable; firm 2 (穩重) steady; staid; sedate 3 (穩妥) sure; rel...
- 定 : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 穩定性 : antiwhip
- 穩定 : 1 (使穩定) stabilize; steady 2 (穩固安定) stable; steady 3 (物質的性能不易改變的作用) stabi...
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By hydraulic modeling, this paper describes studies on the stability of a floating bulkhead operating in standing water and flowing water, and it ' s hydrodynamic stability characteristics that distinguish in standing water from in flowing water ; and direct measurements of the forces acting on the model floating body during floating and sinking is taken. as a result, the rotation stress curves are produced and analyzed ; to provide data for optimum operation schedule analyses of the sluice, the relationship of the impact forces acting on the side wall of the gate and the running speed is studied ; the reasons of unstably uplifting of the bulkhead are discussed and the method to solve the problem is also given in this paper
本文結合常州新閘防洪控制工程水工模型試驗,系統分析了浮箱門在靜水和動水中的穩定性及其影響因素,指出靜水穩性和動水穩性的不同特點;試驗測定了浮箱門動水運行時的受力情況,給出並分析了定位過程轉動力的變化過程曲線;根據浮箱門啟閉速度與門體和岸墻之間撞擊力大小的關系,選擇合理的動力設備,為設計和工程實踐提供可靠依據;分析浮箱門難以穩定上浮的原因,並給出解決方案。This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions
首先對加速度計及其測試技術的發展歷史和現狀,液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹,然後確定了以二元調寬脈沖再平衡測試迴路為設計方案,並從控制理論的角度進行了分析,著重研究了系統中各部分的傳遞函數,利用系統開環傳遞函數分析了系統的穩定性,同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題,並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路,驗證了電路的正確性,最後按照測試系統的要求,採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具,利用該圖形化編程語言完成了測試系統軟體部分的設計,實現了測試功能。It act as floatability, thixotropic agent, stabilizer, thickening agent. in pharmacy, it is used as medical adhesives, disintegrating agent and stabilizer. in founding paint and various ceramics colorful paint, it is used as floatability and thixotropic agent ; some performance of this serial is superior to use the cmc, hec respectively
在水性塗料,乳膠漆,牙膏,化妝品,橡膠,日用化工中,廣泛的用作懸浮劑,膏體德觸變劑,乳膠穩定機,增稠劑在特種鑄造塗料及多種陶瓷彩釉塗料中,用作基料的懸浮劑,觸變劑。Lukang ? gel of proper density in water based system can adhesion and suspension powder materiel ( such as pigment, medicine and talcum powder etc. ), stabilize suspension liquid, prevent suspended material sediment and harden, make suspension liquid even, bright - colored, convenience, easy spraying, and unaffected by outside force and time
適當濃度的綠康凝膠在水性體系中可粘合、懸浮粉狀物料(如:顏料、藥物、滑石粉等) ,穩定懸浮液,防止已懸浮物質的沉澱積合、硬化,使懸浮液質地均勻,色澤艷麗,使用方便,噴霧更加容易,且不受外力、時間影響。Colour stability and suspension stability of strawberry juice were studied by using different anti - browning reagents
摘要研究了不同抗氧化劑和親水性膠體對草莓汁色澤和懸浮穩定性的影響。Abstract : a continuity wave model is put forward for the dispersion processof liquid - liquid two - phase system, by coupling mass and momentum conservation equations of two - fluid model. the conditions that result in a dispersion choke and the weak instability of a dispersion process are derived from the model. the phenomena of catastrophic inversion and transitional inversion are explained. the effect of drop size distribution on the maximum volume concentration of a emulsion is predicted using the model. according to the theory herein, emulsion inversion is the regime transition of liquid - liquid system due to the instablity of a dispersion process. the effect of drop size distribution on the maximum volume concentration of a liquid - liquid emulsion only occurs in a certain range of weber numbers
文摘:以雙流體模型為基礎,通過質量守恆方程和動量守恆方程的耦合,提出了液-液兩相系中彌散傳質的連續波模型.由該模型得到彌散傳質過程阻塞和彌散傳質過程弱不穩定性產生的條件,計算了液滴尺寸及其分佈對乳化液極大堆砌分數的影響,解釋了劇變型乳化逆變和漸變型乳化逆變現象.研究結果表明,乳化逆變是由於彌散傳質過程的不穩定性而引起的懸浮體型態的改變,隨液滴尺寸多分散性的增大,極大堆砌分數增大;隨液滴平均尺寸的增大,多分散性對極大堆砌分數的影響減弱;當韋伯數足夠大時,液滴尺寸及其分佈對乳化液極大堆砌分數無影響The thermal conductivities of the oil - nanoparticles nanofluids and the water - nanoparticles nanofluids are measured by using this instrument. the effects of the volume fraction, dimensions, properties of the nanoparticles and temperature on the thermal conductivity of nanofluids are discussed
採用nxe - 1型粘度計測量了納米流體的粘度,分析了納米粒子的體積份額、屬性、尺度及納米流體懸浮穩定性對納米流體粘度的影響。In this thesis, based on mathematic model and real condition, analysis and compare of different control methods are carried out at first. then a propriety control law and optimized parameters are choosen and used into multi - body model in simpack. finally, kinds of dynamic character curves after measurement and calculation are given
論文首先在數學建模的基礎上,根據實際情況,詳細分析對比了直接狀態反饋控制、 pid控制和狀態觀測器控制等常用的磁浮列車懸浮控制方法,然後將合適的控制規律及優化的控制參數用於simpack中的多體模型,通過計算,給出懸浮穩定性、運行平穩性以及列車曲線通過等動力學特性曲線。Increase the viscosity of the suspension due to longer milling time and smaller particle size, would be more helpful to physical stability of the suspension
另外,由於研磨時間的延長、粒徑變小所帶來的懸浮體系粘度的增加,對制劑物理穩定性也是非常有利的。The result showed suspension physical stability could be improved by adjustment of milling time and decrease of particle size and size distribution, while suitable adjuvant and processing conditions were selected
結果表明,在選定了適當助劑、確定了加工工藝的條件下,通過調整研磨時間、降低懸浮顆粒粒徑和粒譜分佈,可以改善懸浮體系的物理穩定性。This thesis researches on the stability of fibre suspensions applying theoretical, numerical and experimental methods. first the linear stability analysis is performed to fibre suspensions utilizing flow stability, slender - body and orientation tensor theories. the governing equations of channel and pipe suspensions of different stability handling modes and tensor closure approximations are derived
首先綜合應用流體動力穩定性理論、細長體理論以及纖維方向張量工具,對纖維懸浮流進行線性穩定性分析,推導槽流和管流的穩定性方程,並對槽流導出在不同的穩定性分析模式以及不同的方向張量封閉格式下的多種形式方程。Through the experiments of powder suspending liquid centrifugal stability 、 temperature 、 quality and absorbency, this paper researched the effect of ultrasound on dispersing capability of nano - tio2, and got the optimum ultrasound dispersing condition of nano - tio2 suspending liquid in definite extension
摘要通過對粉體懸浮液的離心穩定性、溫度和質量變化、吸光度的變化進行實驗,本文研究了超聲波對納米二氧化鈦分散性能的影響,並在一定的實驗范圍內,得出納米二氧化鈦粉體懸浮液的最佳超聲分散條件。The tem photographs are given to illustrate the stability and evenness of suspensions. some factors of affecting the stability and evenness of nanofluids, such as the property of fluid, the dimension and the property of nanoparticle, the properties of dispersants, are discussed
Tem照片顯示了用這種方法制備的納米流體具有較高的懸浮穩定性;分析了納米粒子的屬性、尺寸、液體種類及分散劑的性質和濃度等因素對納米流體懸浮穩定性的影響。Single - axis acoustic levitation of the heaviest solid ( iridium, p = 22. 6g / cm3 ) and liquid ( mercury, p = 13. 6g / cm3 ) on the earth is achieved by greatly enhancing both the levitation force and stability through optimizing the geometric parameters of the self - developed single - axis acoustic levitator. this indicates that all the solids and liquids can be acoustically levitated on the earth in principle
對自行研製的單軸式聲懸浮器進行了優化設計,極大地提高了懸浮力和懸浮穩定性,首次懸浮起自然界中密度最大的固體銥( i - r ,密度22 . 6g cm ~ 3 )和液體汞( hg ,密度13 . 6g cm ~ 3 ) 。Considering the steady development of securities market and the equity in the process of social resources reallocation, the thesis, starting from market mechanism, puts forward the tactic of state - held shares rationing though floating pricing. on the other hand, this thesis explores the operation practicability of state - held shares circulation, if corporate controlling power is allowed to give up
基於考慮證券市場穩定發展及社會資源再分配過程中的公平性,從市場利益機制出發,本文提出了國有股浮動定價漸進配售策略,對國有股減持和流通的基本原則、減持思路和具體操作程序進行了深入探討,並對可放棄控股權的國有股流通的應注意的事項提出了相應的建議。分享友人