聚散度 的英文怎麼說

中文拼音 [sǎn]
聚散度 英文
vergence
  • : 動詞(聚集; 聚積) assemble; gather; get together
  • : 散動詞1. (由聚集而分離) break up; disperse 2. (散布) distribute; disseminate; give out 3. (排除) dispel; let out
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  1. Beryllium powders with the same particle size and various contents of beo were prepared by pre - sintering - acid washing processes initiatively and the influence of beo alone on o mys of beryllium was observed and some new results have been obtained - compared with the content of beo, the distribution of beo in beryllium has more critical influence on mys ; finely dispersed beo along the grain boundaries and in the matrix results in the dispersion strengthening of beryllium matrix and thereby the higher mys value ; on the contrary, the coarser beo particles clustering on the grain boundaries results in negative influence on o mys

    開創性地用預燒結? ?酸洗工藝制備了相同粒、不同beo含量的鈹粉,從而開展了beo含量單獨對鈹材_ ( mys )影響的研究,得出一些新的結果:與beo含量相比, beo在鈹中的分佈狀態對_ ( mys )的影響更大。沿晶界、晶內彌分佈的較細小beo對基體鈹有彌強化作用,使_ ( mys )即較高;如果beo較粗大地成簇狀集在晶界,反而對_ ( mys )有不良的影響。
  2. The mechanical properties indicated that the improved exfoliation degree of mmts was essential for better properties of the nanocomposites, while the mechanical properties of interc alated nanocomposites were dependent on the structure of the organic modifiers 3

    有機蒙脫土層間有機物含量較高,有利於合物插層和mmt片層剝離分。片層剝離分大,有利於提高復合材料的力學性能;插層型復合材料的力學性能與表面活性劑分子結構有關。
  3. Separately, tma can be used as the cross linking agent to make the polyester resin and epoxy resin for the making of thermoset powder coatings, binding agent, and intermedium of dyestuff, medicine, and resin. moreover, tma can be used to make polyester imido coatings which care special insulated paints for motors

    另外,偏酐還可以作熱固性粉末塗料脂樹脂和環氧樹脂的交聯劑,可用於分性氨基甲酸乙脂脂中,使其在環境溫為70時,性質穩定,並具有高光澤快乾耐磨等多種特性。
  4. The competition among those species like s. tsinyunensis, dryopteris erythrosora and veronicastrum stenostachyum etc., is intense in the communities, which may be one of the reasons why s. tsinyunensis is going to be endangered and with a very restricted distribution. the distribution patterns of the seven populations of s. tsinyunensis are clumped among the eight populations we studied, except population v of random distribution. the spatial pattern of 6 populations of s. tsinyunensis have high consistency with the negative binominal distribution, while another 2 populations, i. e., i and iii are poisson distributions

    6 )縉雲黃芩各種群空間分佈格局基本呈集分佈,其中7個種群的分佈格局類型是集分佈,其集強較高,另有一個種群為隨機分佈;其種群的離分佈擬合結果也嚴格符合一定的數學模式,其中負二項分佈、 poisson分佈分別是該物種種群空間分佈的理論分佈模式,其中6個種群擬合出的結果是負二項分佈,種群i和種群m擬合出的結果是poisson分佈。
  5. If it is focused. so the boiloff and cautery of focus tissue can be used in the therapy. also if it isn t focused, the laser radiating focus tissue can bring about concretion effect

    激光治療儀的發角極小,能量密高,經焦后,可達每平方厘米幾千瓦的功率, co2激光治療儀可用於對病灶組織的汽化,燒灼或切割病灶組織,所以co2激光治療儀也稱謂激光刀。
  6. The activation energies of crystal growth were calculated to be 15. 9kj mol " 1 and 148. 7kj mol " 1 respectively. cerous nitrate as originating material, ammonium hydrogen carbonate as precipitator, nanocrystalline cec > 2 powders were prepared by precipitation process. during the experiment, reacting solution was heated by microwave energy

    採用碳酸氫銨作為沉澱劑,乙二醇等表面活性劑為保護劑,採用逐滴加入沉澱劑,微波加熱代替傳統加熱的均相沉澱法,制備出了粒小、分性好的ceo _ 2納米粉體。
  7. Hydraulic control system of double - cylinder vessel gate is a sort of typical electrohydraulic proportional control system0 in order to study electrohydraulic flux control characteristics of this system, i have analyzed the principle of this hydraulic control system, and made its mathematics model ? in double - cylinder hydraulic system, it is necessary to process electric synchronous control in this hydraulic system, this paper also introduces a sort of fnn ameliorated from the point of view of intelligent control theory, and clarifies the principle of applying that network to achieve synchronous controlo at the same time, the means of fuzzy configuration analysis is used for network training, the comparative experiments make known that the method of applying fnn to realize synchronization control is feasible, furthermore, its effect is better than others0 this paper puts forward that a distributed control system can be used to monitor and control vessel gate within a real - time or remote distance, the basic project, structure, applications and functions of computerized scada system in hydraulic system of vessel gate is introduced ? a double layer network structure, epigynous and hypogynous machine network, is applied to this system, in accord with the application of technique such as plc, integrated software etc, this paper introduces the methods and application to achieve the computerized scada system in the task, and analyzes the characteristic of this system, in this paper, the application of configuration in monitor and control system of vessel gate is discussedo in addition, in accord with the application of technique such as visual basicb

    雙缸船閘液壓啟閉控制系統要求解決同步控制問題,文中從智能控制理論角出發,採用了一種改進的模糊神經網路,結合模糊類分析方法,闡述了應用該網路實現同步控制的原理。通過對比模擬實驗表明:應用模糊補經網路實現同步控制是可行的,而且它的同步控制效果要優于傳統的設置主從令缸控制方法,具有良好的魯棒性能。另外,本文提出了建立船閘控制系統的分式控制系統,介紹了船閘液壓控制系統的計算機監控系統( scada )的方案、結構、應用和主要功能,採用雙層網路化結構:上位機網路和下位機網路,並結合plc通信網路技術和組態軟體等技術構成的計算機監控系統的實現方法,實際應用,分析了這種較新的系統模式在船閘液壓控制系統的計算機監控系統的功能實現中所具有的特點。
  8. 2. the structure of purple soil is meliorated by sabaigrass. when contrast to bare land treatment and natural wild grassland treatment we knew that sabaigrass treatment and grass tree solid plating treatment reduced soil bulk density, enhanced soil capillary porosity, non - capillary porosity and porosity ratio, decreased soil sand grain content, enhanced soil clay grain and silt grain content so as to reduced the dispersal degree of soil, improved the aggregate capacity of soil, increased the amount of soil aggregate structure, meliorated the water permeability of soil, accelerated the form of good soil structure

    龍須草能改善紫色土的土壤結構龍須草純種植被和林草立體種植植被能不同程地降低土壤容重,減少土壤砂粒含量,增加土壤的毛管孔隙、非毛管孔隙和孔隙比,以及增加粉粒含量,從而降低土壤分,提高土壤團性,增加土壤團粒結構數量,改善土壤的透水性,促進良好土壤結構的形成,最終提高土壤的蓄水保肥性能,增強土壤的抗蝕性和抗沖性。
  9. Previous researchers have always determined the sp atial distribution patterns ( sdp ) of castanopsis kawakamii with a sample - dis tance method. however, the distribution patterns may be affected by the quadrat si ze and, in the course of analysis, the density differences among the cluster plots are not considered ; therefore, differences of cluster plot size and the dispersi on degree among individuals of cluster plots can not be known. authers of this pa per have determined the spatial distribution patterns of castanopsis kawakamii population in different habitats by means of non - quadrat distance method and a nalysed the pattern intensity and grain of the sdp. the pattern intensity is defi ned with the relative density differences and the pattern grain can embody the d ispersion degree of the individuals in the plots, and the dispersion degree among the plots. the determined results are as follows. the intensities of the species range in order from strong to week : litsea mollifolia p. kawakamii i. purpure a r. cochinchinensis c. kawakamii c. carlessii d. oldphamii s. superba. the gra ins of the species queue in order from coarse to close : s. superba = litsea mollif olia r. cohinchinensis c. kawakamii = i. purpurea c. carlessii p. racemosam d. oldp hamii. these determined results tally basiclly with the results authers of this paper have got in determining the same plots by means of aggregate index access ing method. in view of this, it is held that the sdp of c. kawakamii is closely related to the habitats and biological features

    前人都是採用樣方方法對格氏栲種群數量的空間格局進行測定,而格局分佈有可能受樣方大小的影響,且分析過程中沒有涉及塊間密差的問題,因而無法掌握種群的塊大小差別及塊內個體間的離.本研究採用無樣方距離法,測定不同生境的格氏栲種群空間格局,分析格氏栲種群格局的強和紋理.強塊和間隙的密差來定義,紋理則是體現塊內個體間的離與諸塊間的分離程.測定結果表明,格氏栲種群格局強從高到低排列次序為:木姜子蚊母樹冬青茜草樹格氏栲米櫧虎皮楠木荷;格局紋理從粗到細的順序是:木荷=木姜子茜草樹格氏栲=冬青米櫧蚊母樹虎皮楠.這一測定結果與作者採用指標測定相同樣地格氏栲種群空間格局的結果基本相符.因此,格氏栲空間格局類型及分佈與格氏栲生物學特性及生境的關系密切
  10. After the vacuum dry and the sphere mill, the level of agglomeration is low, the particle size is very small, spherical and the nanometer stannic dioxide powder with the aspects of good scattered nature is achieved

    經真空乾燥和球磨粉碎后得到團低,粒細小均勻,達到納米水平並具有較好分性的球形二氧化錫粉體。
  11. Preparation of low dispersity and high molecular weight polystyrene and characterization

    低分高分子量苯乙烯的合成及其表徵
  12. The position and size of the monochromator, focusing curvature radii and tilting angles of the germanium focusing monochromator under different different take - off angle, size and divergency of the second collimator and intensity loss due to the use of it were determined. the neutron flux at different wavelength, under different reflection and take - off angle of the monochromator and divergency of the first collimator, were given. the simulation on the aperture used for limiting beam size in front of the sample showed that, smaller the size of the aperture and further the distance from the aperture to the sample, greater the loss of the intensity and more serious the spread of the beam along vertical direction at the sample position which makes the practical sampling volume greater than expected

    用蒙特卡羅模擬方法對中子應力衍射譜儀的設計方案進行了優化研究,提出了一系列可供參考的數據:確定了單色器的位置、尺寸、垂直焦單色器在不同起飛角下的焦曲率半徑和傾角;討論了第二準直器的尺寸和發,以及使用第二準直器造成的強損失;給出了在不同單色器反射面、起飛角、中子波長和第一準直器發的情況下樣品處的中子注量率,以及多種組合情況下譜儀的解析曲線;對限束方孔的尺寸、距離樣品遠近對強損失和測量中的影響做了深入研究。
  13. Morphological structure analysis indicates that the addition of pe - mah induces surface tension, makes phases uniformity, enhances bonding strength of interface and improves compatible property

    Sem分析表明,接枝物的加入,降低了界面間的表面張力,使兩相分均勻,分提高,增強了相間的粘接力,改善了尼龍11與乙烯的相容性。
  14. It also shows that the dispersant is added before reaction will be better than after. so the dispersant is an effective way to eliminate water from the gel. therefore, the agglomeration state in the obtained powder was well controlled by adding dispersant

    通過適當的后處理,沉澱反應前和反應后添加分劑的工藝制得的- al _ 2o _ 3的一次顆粒分別為27nm和30nm ;其二次顆粒的平均粒徑分別為40mm和50mm ,且前者團較輕。
  15. The new method is compared with the ordinary fire law, the characteristic of product such as to possess that the diametre is small and the size distributes narrow and the agglomeration level is light etc, and for further adopting the measure scatters providing the possibility

    實驗所得納米粉體與火法煅燒樣品相比,產品具有粒徑小、粒分佈窄、團輕等特點,並且為進一步採取措施進行分提供了可能。
  16. Multi - focus image fusion based on wavelet transform and local dispersion

    基於小波變換與局部離的多焦圖像融合演算法
  17. Moox decreased catalytic agglomeration rate. all these made the pt / moox samples higher specific surface area of pt / moox microparticles in the pt / moox / gc composite electrode than pt microparticles in the pt / gc electrode

    Sem 、 xrd結果顯示, moo _ x高pt顆粒,催化劑顆粒粒徑更小,減少它們的附,使催化劑有相當高的表面。
  18. When the dosage was 8 % aa, the effect was best. ( 2 ) the performance of pc was decided with the proportion of pea, aa, mma. the fluidity of copolymer would augment if the dosage of aa increase, but when dosage of aa was 75 %, it was hard to control the compose reaction, and dispersion of pc would depress ; when pea degree of polymerization augment the air - entraining of mma would increase ; it would produce floe and hard to control the compose reaction when the dosage of pea4 more than 15 %, pea23 more than 25 %

    ( 2 ) pea 、 aa 、 mma之間的比例關系決定了共體的性能:隨著丙烯酸用量的增加,共體的流動增大,達到75時合成控制難加大,共體分性下降;而mma的引氣增穩作用,其用量隨著pea的的增加而增加, pea4體系的用量超過15 , pea23體系超過25則會產生絮狀物,反應控制難加大,理想的用量分別為不超過10和15 。
  19. The gpc results indicated that the polymerization degree increased with the extension of reaction tine and the molecular weight distribution was tend to be monodispersity

    Gpc研究結果表明隨反應時間延長,增大,合物分子量趨于增大但分性減小。
  20. This paper introduces development of a tv monit system, and details technical difficulty and method of reaserch, including video capture and recognition. according to the analysis of tvprogram, it presents video capture based on time, and “ hot region ” capture based on centre focus of photograph principle, and image recognition based on dispersion degree

    介紹了一個微機電視監播系統的研製開發,講述了研製的技術難點及解決方法,包括視頻捕獲和識別.基於對電視節目的分析,提出了基於時間的視頻捕獲,基於中心焦的攝影原理的「熱區」獲取法,以及基於的圖像識別方法
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