自由變異性 的英文怎麼說
中文拼音 [zìyóubiànyìxìng]
自由變異性
英文
free variability-
Through the analysis on the discrepancy between the indexes of land use and landscape structure of both the periods, the change of the eco - environment caused by the causations of both the nature and the human activities is pointed out that the total area of the studying region is somewhat reduced ; the alkali - saline land therein is utilized for fishery breeding ; a part of the unused land and water area are basified ; the sorts of landscape are rich and uniform and serious fragmentations are locally occurred
通過分析兩期土地利用及景觀結構指數之間的差異性,指出由自然和人為原因引起的生態環境的變化:研究區總面積有所減少,鹽堿地改良後用于了魚蝦養殖,部分未利用地和水域鹽堿化,區域景觀類型豐富且均勻,局部破碎嚴重。They complement and interact with each other. the commercial regional media communication constructed on modern sciences makes the regional culture which uses regional media as communication carrier more and more popular because the characteristics and functions of regional media itself have being changed deeply
建立在現代科技基礎上、市場化特徵明顯的區域傳播,由於自身特性、功能的深刻變化,在追求「立異」的同時呈現出「趨同」的現象,這使以區域傳播為重要載體和平臺的區域文化,在進化中明顯的涵化。Section two the evaluation of biocompatibility of the acellular dermal matrix by the method of cell culture. the new born rat ' s epdermic cells were cultured with the acellular dermal matrix together as experiment group, while the epdermic cell were cultured simply as control. 24 hours later, under the invert microscope, the epidermic cells anchored well and transparent flat cells were observed in both groups. 7 days later, both cultured cells were taked out and fixed in 95 % ethanol, stained with hematoxylin and were observed under light microscope. many cleaved cells were observed in both groups. during cell culture, no pathogenic microganism was observed. so we considered the acellular dermal matrix was aseptic and had good biocompatibility. section three subdermal implantation of the acellular dermal matrix. 24 rats were used in the experiments. a piece of acellular dermal matrix ( 1. 5 x 1. 5cm2 ) was implanted beneath the dorsum skin flaps of each rat, 1 week, 2 weeks, 3 weeks and 4 weeks after implantation, 6 pieces of acellular dermal matrix were harvested and the size of implanted acellular dermal matrix were measured, the sections were used for he staining and observed under light microscope. the result were as folio wing : 1 - 2 weeks after implantation, the acellular dermal matrix began to adhere to the tissue around and turned red gradually ; 3 - 4weeks after implantation, the acellular dermal matrix adhered closely to the tissue around and could be recognized easily, 1 - 3 weeks after implantation, the size of implanted acellular dermal matrix had no statistical difference ( p > 0. 05 ). 4 weeks after implantation implanted acellular dermal matrix contracted ( p < 0. 05 ). under light microscope, l - 2weeks after implantation, the fibroblast cells infiltrated the acellular dermal matrix and a small amount endothelial cells of vessel and lympho - histiocytic cells infiltrated the acellular dermal matrix. 3 - 4 weeks after implantation, infiltrating blood vessels were evident. so we think that the acellular dermal matrix had low immunological reactions and could induce the infiltration of fibroblast macrophage cell and the endothelial cells of vessel
結果如下:皮下包埋卜周者,無細胞真皮基質漸與周圍組織粘附,顏色由蒼白轉紅;皮下包埋3周者,無細胞真皮基質與周圍組織緊密枯附,盾晰葉辯;術后卜周,包埋的基質面積變化較包埋前無統計學差異o川0引,術后4周包埋的無細胞真皮基質面積較包埋前縮小j刃刀5 ) 。光鏡下術后卜周,宿主的淋巳組織細胞、成纖維細胞浸入生長,釉附在膠原纖維上,少量血管內皮細胞浸入基質;術后34周,無細胞真皮基質內較多的血管形成,故可認為無細胞真皮基質免疫原性低,能誘導宿主的成纖維細胞、巨噬細胞浸入生長,為一種新型的真皮替代物。第四部分無細胞真皮基質與自體斷層皮片復合移棺的研究, sd大鼠10隻,在其背部卜方造成全厚皮膚缺損的創面It is indicated that since different kinds of iron ores have different self - characteristics, the sintering intensity of binding phase and its dependence on basicity have obvious difference
結果表明:不同種類的鐵礦粉由於其自身特性的不同,所生成的燒結粘結相的強度以及隨二元堿度的變化規律有明顯差異。Great evolutions of international politic - economic patterns and rapid developments of regional economic blocs have made it possible for northeast asia countries to explore mutual economic cooperation at all levels since 1990s ; however, regional economic cooperation will become more and more intricate than ever, resulting from many differences in natural resources, labor quantity, territory disputes, social value orientation and so on
東北亞地區被稱為最有發展潛力的經濟區域之一,國際政治、經濟格局的演變和區域經濟集團化趨勢進一步加強,為該地區各種層次的合作提供了可能性。然而,由於各國自然資源、人力資源稟賦、價值觀的不同及領土糾紛等政治因素的影響,致使東北亞區域經濟合作異常錯綜復雜,進展緩慢。Samples was only 0. 37 which was the smallest among coefficients ; tl, t2, t3 and t4 which came from gaozhuang plantation, mianyang, sichuan, and t5, t6, t7, which came from laohegou planation, mianyang, sichuan, were clustered two groups. the greatly genetic variations in samples of gastrodia elata bl. in different areas and altitude were revealed though the analysis of the tree plot
從總體上看,采自高莊林場的n , t2 , t3 , t4和老河溝采育場的t5 , t6 , t7及采自雅安地區的t9 , t8可以聚為兩大類,說明由於地理分佈和海拔高度的不同,天麻種內的dna存在較大的變異性。It is especially attractive for the downlinks and suppressing intercell mai. when multiuser detector is adapted in blind mode, it usually adopts eignvalue decomposition or singularvalue decomposition of received sample correlation matrix and tracking alrithgms, which result in high computational complexity. at the same time, approximation computation in tracking alrithgms also result in slow convergence
為實現盲自適應檢測,通常採用對接收信號樣本矩陣進行特徵值分解( evd )或奇異值分解( svd )后進行跟蹤,由此帶來的子空間秩跟蹤使得實現復雜度很高;另一方面,在跟蹤演算法中考慮一些實際情況而作出近似處理,從而引起誤差積累和正交性誤差,導致每次跟蹤開始階段跟蹤速度變慢。Coupling vegetation dynamics at multiple scales is essential to explore the mechanisms of water and sediment yield response to vegetation changes such as vegetation reestablishment, development, succession, distribution, and management practices - we reviewed literature on advances in studying the processes and mechanisms of the vegetation influence on runoff and sediment production in relations to vegetation growth, vegetation succession, vegetation patterns and distribution, as well as afforestation and deforestation
由於植被自身的生長發育以及受自然因素和人為干擾的作用,植被變化具有多尺度性;由於受流域水文環境的異質性和水文通量的變化性的影響,流域水文過程也同樣具有多尺度性。Took sha - zhuyu and east shore of qing - hai lake as the examples and based on the mass of field survey and soil analyse, took comparative method, we carried through the researches on the causes of the desertification, the origin of sandy desertificational land substance, the development diversification and difference of soil characteristic in process of manual and spontaneous vegetation recovery in high frigid regions and make out the taxonomy of desertificational land in high frigid region of china. the result obtained are summarized as follows : 1. the development of the desertificational land in high frigid regions is caused by the manual and spontaneous factors
論文首次對高寒地區的砂質荒漠化土壤進行系統研究,以沙珠玉和青海湖東岸為例,通過野外考察和土壤樣品室內化驗,採用對比分析的研究方法,對中國高寒地區荒漠化的成因和研究區砂質荒漠化土地的形成演變,土壤發生特性、人工植被恢復和自然植被恢復過程中土壤的發育差異和性質變化進行系統研究,並用系統分類體系對研究區土壤進行類型劃分,得到主要結論如下: 1 、高寒地區荒漠化的發生發展是在自然因素和人為因素共同作用下進行的,沙珠玉地區風沙土是就地產生的,青海湖東岸地區風沙土主要是由風從湖的西岸搬運而來的,兩地區砂質荒漠化發展仍然十分嚴重。Genetic algorithms mimic darwinian natural selection, where " fitness " selects individuals for survival, breeding, and, hence, adaptive mutation
遺傳演算法模仿達爾文的自然選擇,其中「適應性」選擇進行生存、繁殖以及由此而來的適應性變異的個體。Vanadium is important and valuable in steel - making, electronic production and national defence industry etc. now, the operation pattern of refining vanadium in our nation is based on human experiences, and the automation degree is still at a low level. operation mode based on human experiences is one of the main reasons make the quality of semi - steel and vanadium product unstable. in developed contury such as russian, static model was used to control the process of vanadium refining
我國目前的轉爐提釩為人工操作模式,由操作人員根據經驗和感覺進行操作,自動化水平低,存在著釩渣質量和半鋼質量不穩定的問題;在國外,俄羅斯等一些國家已經在使用靜態模型對提釩過程進行控制,取得了較好的效果,但是這些模型大都是根據復雜的物理化學規律研製的機理模型,要求有非常穩定的生產流程和工藝條件,對于鐵水成分、生產設備等變化的適應性差,不但移植困難,而且模型價格異常昂貴。As there are differences in organizational vision, follower - schemata, self - schemata and motivation - scripts, transactional leadership and transformational leadership have their own characteristics and effectiveness
由於組織願景、下屬認知、自我認知和激勵圖式等認知圖式的差異,導致交易型領導與變革型領導行為及其有效性存在差異。By magnetoelectric coupling, the application of an electric field or ferroelectric polarization can change one or more of the parameters governing the ma gnetic behavior of the system. correspondingly, being possible magnetostrictive effect or electron - phonon interaction, the fluctuation of spin ordering may lead to a dielectric anomaly and ferroelectric relaxation
通過磁電耦合,鐵電有序或外電場可導致自旋的再分佈而改變系統的磁性性質,同樣由於自旋有序的漲落通過磁致伸縮或可能的電-聲子作用可導致鐵電弛豫或介電異常。It is the researchful purpose of this paper that the methods of appraising the existing structural reliability basing on own information are found, which will impel the methods of appraising the existing structural develop from applied methods to probability methods. the contents of this paper have mainly four, including : firstly, the normal value of permanent load in the existing structure is ascertained by the way that is called bayes - small capacity, which considers the dates of design and the road - test dates. secondly, by introducing the random variable that is statistical ambiguity, the statistics of loading and resistance of existing structure are researched
本文研究目的是針對現有結構的特點,建立基於自身信息的現有結構可靠性的實用評定方法,推動我國的現有結構可靠性鑒定方法由實用鑒定法向概率鑒定法發展,主要研究內容包括四個方面:一、結合結構原設計數據和現場抽樣實測數據,研究了恆載標準值的統計推斷方法,提出bayes小樣本統計推斷方法;二、利用統計不定性隨機變量,結合現有結構的特點,提出荷載、抗力變異性的小樣本統計推斷方法;三、分析了現有結構抗力變異性的主要影響因素,並利用實測數據進行了實例分析;四、針對現有結構自身的荷載、抗力統計特性,研究了現有結構承載力的校核表達式,對恆載、抗力分項系數提出修訂建議,建立了基於自身信息的現有結構可靠性實用評定方法。In this paper, we first investigate the impurity effect ( ba2 + ) on the dielectric and phase transition properties in srtio3 within the framework of the transverse - field ising model ( tim ). then a possible coupling mechanism between the magnetism and dielectric properties in eutio3 is discussed and the magnetic influence on the frequency of the soft - phonon mode is investigated via the heisenberg model, soft - mode theory under the mean field approximation, the second quantization theory and the perturbation theory. and we proceed further investigation on eu1 - xbaxtio3 of
我們發現baxeul _ xtio3 ( o 『 x 『 0 . 2 )的介電常數和由內察的偏置場導致的電極化除了隨雜質濃度產生相應的變化,同時在磁和介電性質的藕合作用影響下在低溫下偏離通常的量子順電體行為,在尼爾溫度附近出現異常,且磁場通過對最近鄰自旋關聯的作用來影響介電常數和電極化。It may arise naturally due to mutation in a cell of a developing embryo, producing a line of cells with the mutant gene, and hence different characteristics compared to surrounding cells
嵌合體可以由發育著的胚胎細胞變異而自然形成,這樣就產生了具有不同性狀的變異基因的細胞系。The main contents of the thesis are shown as follows : presenting fundamental theories of statistic pattern recognition, discussing rgb ( red, green, blue ) color space, ohta color space, hsi ( hue, saturation, intensity ) color space and its converted color space, materials consistency in gray scale and the application in removing foreign bodies in tobacco flows, hence presenting recognition pattern based on " unit recognition ", designing sample machine for this purpose, which consists of material - providing system, optic system, image - grabbing system, real - time intelligent image - processing system and systems of automatically rejecting foreign bodies and self - diagnosis, analyzing and optimizing hard wares, offering concrete designs such as optic system and air - ejector driver circuit, presenting and realizing physical ram
本文的主要內容有:統計模式識別基礎理論及它們在煙草異物識別中的應用;討論了rgb ( red 、 green 、 blue )基礎顏色空間、 ohta顏色空間、 hsi ( hue色調, saturation飽和度, intensity亮度)顏色空間及其變換空間、物料圖像紋理、灰度均勻性等在煙草異物識別中的應用,並在此基礎上提出了"基於判別單元顏色統計特性"的煙草在線異物識別模型,設計並研製了煙草在線異物實時識別與自動剔除系統原理樣機,它由供料系統、光學系統、圖像數據採集系統、實時智能圖像處理系統、異物自動剔除系統以及自診斷系統等組成。分享友人