超聲層析 的英文怎麼說
中文拼音 [chāoshēngcéngxī]
超聲層析
英文
ultrasonic tomograph-
6 - phosphogluconate dehydrogenase ( 6 - pgadase, ec 1. 1. 1. 44 ) was isolated by homogenate, ammunium sulfate fractionation, deae - sepharose chromatography, blue - sepharose affinity chromatography and gel filtration with sephadex g - 200 from bacillus subtilis, and some properties of the enzyme had been studied. a 113. 8 - fold purification was obtained with a 8. 2 % yield. the purified enzyme moved as a single electrophoretic band in page
將枯草芽孢桿菌超聲波破壁后的粗提取物進行分段鹽析、 deae - sepharose陰離子交換柱層析, blue - sepharosecl - 6b特異結合柱層析和sephadexg - 200凝膠過濾等純化步驟,得到聚丙烯酰胺凝膠電泳為單一蛋白區帶,比活為1 . 46u mg的酶制劑。Considering the nonuniqueness and instability of ultrasonic computerized tomography for structural concrete as well as the ultrasonic transmission characteristics in concrete, a natural weight matrix with dear physical meaning was introduced in the inverse algorithm
摘要針對混凝土超聲波層析成像結果不唯一和穩定性差的問題,首先依據超聲波在混凝土中的傳播特點,在反演演算法中引入物理意義明確的自然權矩陣,對走時較小的射線和射線較密的成像單元加以重權。Purified fusion protein gst - hnadc3 was used as an immunogen to inoculate rabbits and the antibody against the gst - hnadc3 fusion protein was raised, and was purified by gst sepharose 4b affinity chromatography to remove the antibody against gst
Ptg誘導表達,超聲破碎細胞后,採用親和層析方法純化融合蛋白gst十nadc3 ,並以此為抗原免疫紐西蘭株白兔制備融合蛋白抗體。應用親和層析的方法對gst十nadc3融合蛋白抗體進行純化,以去除抗gst抗體。Fusion expression of m - centrin in e. coil bl21 was performed by induction of fptg. fusion protein was digested by ppase and was purified by gst chelating affinity chromatography and ion exchange chromatography. the final products were checked by sds - page gel
融合蛋白gst - m - centrin菌體經過超聲波裂解后得到的上清夜經過gst親和層析後用prescissionprotease ( ppase )酶切,酶切產物再次經過gst親和層析和hitrapq陰離子交換層析兩步柱層析純化后,得到純度較高的的m - centrin 。The omt after its suspension treated with ultrasonic wave was inserted with poly ( styrene - butyl acrylate ) emulsion. xrd test found the layers of omt particles were dispersed partly in the composite ; extraction experiment of nano - omt / pba - st composite indicated a great amount of macromolecule has inserted into the interlayer of omt. dta analysis showed the decompose temperature of composite has improved by 73 at 4 % omt
將omt的水懸浮液經超聲波處理,與苯丙乳液復合, omt p ( ba - st )復合物的萃取和xrd試驗證明乳液的大分子已經大量嵌入omt層間,使大部分omt以納米級均勻分散於苯丙乳液之中; dta分析結果說明添加4 omt苯丙復合材料的分解溫度升高了73 。Then bacteria were collected by centrifugation and split by ultrasonic method. the purified products were analyzed by tris - tricine sds - page. the immuno - activity of the recombinant proteins were analyzed by western blot
將離心收集到的菌體超聲破壁,離心分離,收集上清液,進行離子交換層析和分子篩分離純化。When the undercooling goes beyond the coupled zone, it is found that the ( pb ) dendrites in the acoustically levitated drops can also appear in the top of the drops and the gravitational macrosegregation is effectively suppressed, which may be caused by the ultrasound and complicated fluid flow inside the drops
發現在小過冷范圍內,由於超聲波的攪拌作用層片共晶組織發生碎斷現象;在大過冷情況下,超聲波可以有效地抑制宏觀偏析的發生。On the basis of the inspection for pile foundations of a bridge in bangladesh, this paper describes the ultrasonic inspection for a special case of bored pile embedded with sounding pipes in between its double layers of reinforcement cages, analyzes the influential factors of the inspection in such case and also compares the evaluation criteria on the ultrasonic inspection for pile foundations at home and abroad
摘要結合孟加拉一座橋梁的樁基檢測,闡述了聲測管埋設在雙層鋼筋籠之間這一特殊情況的超聲檢測,對其所受的影響因素進行了分析,進而對國內與國際上的樁基超聲檢測評定標準進行了比較。This paper determines the technological process, bath formularizstion and experimental parameter of electroless multicomponent cobalt based soft magnetic film with rare earth elements joined such as co - ni - b - re and co - fe - b - re by the means of perpendicular experiment and regression analysis. this paper also studies the active mechanism of rare earth elements, ultrasonic irradiation and magnetic field on the plating process, chemical component, surface configuration, microstructure and properties of electroless multicomponent cobalt based soft magnetic film in the way of examining in the component, microstructure and properties of such alloy
本文採用正交實驗和回歸分析的方法,確定了稀土化學沉積co - ni - b - re 、 co - fe - b - re多元鈷基軟磁薄膜的工藝流程、鍍液配方和實驗參數,並通過對合金鍍層的成分含量測定、形貌結構分析和力學磁學性能評估,研究了稀土元素、超聲波、磁場介入化學沉積多元鈷基軟磁薄膜工藝后,對合金成分、結構和性能的作用機制。On the other hand, some noncoherent measurement methods can be applied to image the tissue at several centimeters depth, while the image resolution is not satisfied. therefore, focused ultrasound - modulated optical tomography has been developed and shows a promising prospect for imaging tissue in depth with better resolution
聚焦超聲調制的光學層析方法被認為是很有應用前景的一個光層析成像領域,即用聚焦超聲標記散射光子,並從這些光子中提取該處介質的信息。To overcome these shortcomings, exploration methods for ultrasonic ct and rayleigh wave and their applications in engineering are researched in this paper
本文即針對這一問題,對超聲層析和瑞雷波探測方法及其工程應用進行了探索研究。First, a new method of ultrasound - modulated optical tomography with real - time fast fourier transformation ( fft ) is reported to improve the detection sensitivity and snr. by discriminating ultrasound modulated information carried by scattering photons, the tomographic images of the biological tissue simulating media and a buried object are reconstructed with fft spectral intensity
1 、用實時快速fourier變換( fft )和聚焦超聲調制的光學層析術以增加探測靈敏度和信噪比,用fft實時地將調制光光信號濾出,用其譜強度重建圖像。The possible difficult problems which might be met in numerical and experimental research about supersonic shear layer optics technique are also analyzed in this paper
分析了超聲速剪切層光學技術的數值研究和實驗研究可能遇到的難點問題。The problem of aerodynamics and optics in researching aerodynamics window is analyzed, the importance of developing supersonic shear layer optics technique and its applications in aerodynamics window are put forward
分析了氣動窗口研究可能遇到的氣動問題和光學問題,提出了發展超聲速剪切層光學技術並應用於氣動窗口研究的重要性。The possible mechanisms are based on ultrasound - induced variations of the optical properties of the media and displacements of scattering media variations. however, this acousto - optical tomography does n ' t realize the clinical application, which needs a deep research. in this work, a new experimental configuration was proposed and demonstrated, which can improve its practicability
該工作在本實驗室的前期研究的基礎上,對超聲調制的光學層析成像的實驗技術做了詳細的闡述,並綜合各研究小組的技術特點做了新的改進,包括整個實驗方案和技術。In section five, in accordance with the drill prospecting, the paper applies the developed rayleigh wave method to detecting the ground of the navy scientific experiment building, the result is also very well. all of these prove the applicability of rayleigh waves method in engineering field and the feasibility of ultrasonic ct method to detect the weathering degrees of stone relics
第五部分把改善後的瑞雷波勘探方法結合鉆孔勘探應用於海軍科研試驗樓工程勘察中,效果較好,進一步證實瑞雷波勘探方法在工程領域的適用性,同時也說明了超聲層析方法應用的可行性。For ultrasonic ct and rayleigh wave exploration have advantages of high efficiency, low cost and easy practice, they are applied broadly in engineering
超聲層析技術和瑞雷波測試技術具有效率高、成本低、易實施等優點,在工程中得到越來越廣泛的應用。A new approach to assess the weathering degrees of rocks by the variation of rayleigh wave velocities is put forward in this paper, and the weathering degrees of the marble plate revealed by this method is exactly coincided with the actual weathering situation of this plate
在第四部分中通過把超聲層析和瑞雷波勘探方法應用於故宮玉石欄板風化程度評價中,對檢測的精度和準確性做了一定的研究,提出了由利用瑞雷波速變化評價巖石風化程度的新方法,結果比較理想。The second section and the third section detail with the theory of ultrasonic ct and rayleigh wave, present solutions for some problems to improve the applicability of ultrasonic ct and rayleigh wave exploration, and compile the computer program for ultrasonic ct, and improve the analytical program for rayleigh wave exploration
第二部分和第三部分對超聲層析( uct )和瑞雷波勘探的基本原理進行了詳細的闡述並針對當前超聲層析和瑞雷波勘探方法的適用性,提出了一些解決方案,編制了超聲層析的反演程序和改進了瑞雷波勘探正、反演程序。According to the structure characteristics and motion rules of the new type nursing robot, the close loop control system of this new type nursing robot is designed and made with the virtual instrument developing software labwindows / cvi, mcu, piezoelectric ultrasonic motor and high precision optical incremental encoder, which can make the robot reset and rotate by the predefined tracks. at the same time, in order to make the nursing robots used more widely where intensity, precision and price are not high, another control system is designed with the step motor, virtual instrument developing software labwindows / cvi, multi - function daq card pci1711, linear power amplifier. in order to use the nursing robots in acupuncture therapy, a simple finger is designed
在對其結構特點和運動規律分析的基礎上,本文以虛擬儀器編程語言labwindows / cvi為軟體開發工具,以單片機為控制核心,以超聲電機為驅動元件,以高精度光電編碼器作為速度和角位移檢測裝置,實現了機械臂的復位以及預定軌跡的閉環控制系統的開發;同時為適應一些強度不大、精度要求不高的應用場合,也為降低成本,簡化控制裝置,推動新型護理機械臂短期內應用推廣的需要,以目前應用較為廣泛、控制技術較為成熟的步進電機為驅動元件,用labwindows / cvi開發環境、 pci1711數據採集卡以及線性功率放大器開發了一套控制系統,實現了手臂的復位、勻速運動以及預定軌跡的控制系統;為推廣護理機器人在針灸理療中應用,設計了簡單的手指機構並利用labwindows / cvi開發環境,以及智能材料驅動器? ?層疊式壓電驅動器,進行了手指的抓取以及對驅動對象的轉動控制。分享友人