active center 中文意思是什麼
active center
解釋
活動中心-
Though zn 2 + and co 2 + are divalent ions, they probably can not substitute ca2 + from the active center of tcs, or can substitute ca2 + but does not change the structure of tcs. there is no significant change observed for the fluorescence intensity of tcs
『 「是二價金屬離子，但這兩種離子與天花粉蛋白作用時可能並沒有取代天花粉蛋白活性部位的ca 『 」 ，或部分取代但並沒有改變天花粉蛋白分子的空間結構，以致天花粉蛋白的熒光強度無明顯變化。 -
The plan of the research institute becomes, in the near future, with the ocean chemistry, the development and engineering turn of halo bios resources, the ocean information technique processing, ocean environment and ecosystems protection, etc. aspect for center of research direction, and gradually formats the aspect advantages in using of the salt water and the half salt water ( the haloid water ) chemistry resources, the ecosystem system monitor and controlling, algae cultivating and biology active material, the development research of nourishment supplies and bio - products, the ocean environmental protection and ecology etc., end can become one of important bases in the ocean realm of nation and tianjin for high level creative talented person development, hi - technique research and result conversion, high decision advisory, and the double that attains the economic performance and social performances win
研究所計劃在不久的將來形成以海洋化學、海洋生物資源開發及工程化、海洋信息技術處理、海洋環境與生態保護等方面為中心的研究方向，並且逐步在鹹水及半鹹水（鹵水）化學資源利用，生態系統監測與調控；藻類培養及生物活性物質、營養物資及生物製品開發研究；灘塗資源開發利用；海洋環境保護和生態學等方面形成優勢，最終可以成為國家和天津市海洋領域高水平創新人才培養、高新技術研究和成果轉化、高層次決策咨詢的重要基地之一，達到經濟效益與社會效益的雙贏！ -
Through the analyzing the macro - structure to micro - structure, the author considers that retarding mechanism of citric acid is that citric acid and ca in the gypsum form the complexant ion, and hinder the crystallization center of dihydrate crystal bigger ; that of sodium tripolyphosphate is that it combined with ca, hinders the dissolve of hemihydrate. formation and growth of crystallization center ; that of bone glue is the glue - protection and chemical absorption action of active group, which also retards the formation and growth of crystallization center
通過宏觀到微觀的分析，筆者認為，檸檬酸的緩凝作用的原因主要在於檸檬酸與鈣形成絡合離子，影響了二水石膏晶體的晶核長大過程；多聚磷酸鈉與鈣形成某種復鹽，對于石膏晶體的溶解、成核和長大過程均有強烈的阻礙影響；骨膠則在於膠體對半水石膏的包裹和活性基團的化學吸附，使二水石膏晶體的成核和長大困難。 -
By the 38 techniqe sustain center, from design ? installation ? maintain service to manufacture updating and the technics alteration of the clients. lanshen is the active participator at all times. service before function
通過全國38個技術支持中心，從設計、安裝、維修服務到產品換代以及客戶的工藝技術改造，藍深一直是積極的參與者。 -
She is an active member of the american chamber of commerce in shanghai, epws, the world trade center in tacoma washington usa, astd and tesol
她目前是上海美國商會、外籍職業婦女社團、美國華盛頓塔科馬世貿中心、美國培訓與發展協會以及tesol的積極會員。 -
Some beneficial results of the csnw ' s behaviors are gotten. main research contents as follows : ( 1 ) the four destruction models and respective stability analysis methods are discribed in this paper, whose working mechnism and calculating methods are given. in addition, some defects of every method are also discussed ; ( 2 ) on the basis of traditional active soil pressure method and expirical siol pressure method, the calculating model of the laternal earth pressure which is a tetragon with the largest value in the center side is addressed
主要工作如下： （ 1 ）本文給出了復合土釘墻的穩定性分析方法，該方法介紹了復合土釘墻的四種破壞類型，分析了每種破壞類型的受力機理，並給出了相應的計算方法和計算方法中的一些不足； （ 2 ）在傳統的主動土壓力和經驗土壓力的基礎上，建立了土釘墻中間大、上下小的四邊形狀分佈的側向土壓力的計算模式。 -
During the procedure of system design and implementation, the author has made some innovative efforts such as : ( d establishing the user interest orientated model, the model receiving user interests continuously and conjecturing user interests by interaction with the user, accumulating user preferences in information demand, thereby achieving self - adaptive retrieval, ? roviding a feedback method which is based on the human - machine interaction, summarizing the user operations on the interface of result presentation, and designing an algorithm for capturing user operation behaviors, by which the changes in user interests and preferences can be learned potentially, ? ffering a method for user interest mining which can extract subjects of information confirmed by user, thereby conjecturing or predicting different kinds of expressions of the same interest or extracting the new interests or unexpressed interests, ? roposing a solution of personalized internet information retrieval based on the user interests in accordance with the above - mentioned work, the solution having very strong feasibility and practicality with taking user interest model as center, employing machine learning ( active learning and passive learning ) and data mining as tools, and being assisted with network robot,
Piirs系統分析與設計過程中所做的創新性的嘗試主要有以下幾個方面：實現了基於用戶興趣的用戶模型，該模型通過與用戶的交互（主動交互和被動交互） ，不斷地接收用戶的興趣和推測用戶的興趣，積累用戶信息需求的偏好，實現自適應的檢索；提供了一種基於人機交互的反饋方法，對用戶在結果呈現界面上的操作進行了歸納總結，設計了用戶操作捕獲演算法， 「隱性地」學習用戶興趣和偏好的變化；提供了一種用戶需求挖掘的方法，對用戶已確定的信息做進一步的主題挖掘，由此推測或預測用戶同一興趣的不同表述方式或者挖掘出用戶新的或未表達出來的興趣；在上述工作基礎上提出了一套完整的基於用戶興趣的個性化網路信息檢索的解決方案，該方案以用戶興趣模型為中心，以機器學習（主動學習和被動學習）和數據挖掘為手段，輔以網路機器人，具有很強的可行性和實用性。 -
Trichosanthin ( tcs ) is a single - chain ribosome inactivating protein. tcs belongs to a sort of metalloprotein, and ca2 + locates in its active center. it is isolated from trichosanthes kirilowii tubers of cucurbitaceae and is the active component of chinese drug tian hua fen
天花粉蛋白是從葫蘆科植物栝樓塊根中分離得到的一種單鏈核糖體失活蛋白，是中藥天花粉的有效成分，具有重要的理論研究和實際應用價值。 -
Crystal zirconium phosphate - phosphonate has the stability and regulity of interlayer floor of inorganic a - zirconium phosphate, they still have the designability of the organic group in the interlayer and adjustment of the ratio of organic and inorganic phosphorus acid, they are a kind of potential smart material, we can process molecule design and optimize filtration according to the requirement of goal reaction, we can prepare special ion - exchange, catalyst, catalyst supporters nonlinear optics compound, solid state proton conductivity and the intercalation complex precusor by introducing different active organic group or active center into the choice and stable framework of inorganic a - zirconium phosphate
有機?無機晶態混合磷酸鋯具有無機磷酸鋯的層板穩定性和規整性，同時具有層間有機基團的可設計性和有機無機磷酸混合配比的可調節性的特點，是一類很有潛力的靈巧材料，並且可以根據目標反應的要求進行分子設計和優化篩選，在無機磷酸鋯優良穩定的骨架上引入不同的活性基團或活性中心，可以制備出性能獨特的離子篩、催化劑、催化劑載體、非線性光學物質、固態質子導體和制備插層復合物的前驅物。 -
The active center of a mammalian alpha - amylase. structure of the complex of a pancreatic alpha - amylase with a carbohydrate inhibitor refined to 2. 2 - a resolution
哺乳動物澱粉酶的活性中心。胰澱粉酶和糖抑制劑的復合物精確到2 . 2a解析度的結構。 -
The metal ions and its coordination environment are generally the active center of the biological molecules, so the study on the metal ions and their micro - environment is of great significance
金屬離子及其配位環境往往就是生物分子的活性中心，因而對金屬離子及其微環境的研究具有重要意義。 -
In the upper troposphere, there is no intact asian active center. the troposphere structure of summertime ao is implicated with the horizontal heterogeneity of air temperature throughout the whole troposphere with its center over asian continent, which results in the zonal asymmetry and baroclinic structure of the summertime ao ( especially its asian center ). on the contrary, the correlation between wintertime ao and sea - land thermal contrast confines in the lower troposphere, hence its zonal asymmetry and baroclinity in the lower level
夏季北極濤動的這種結構與對流層整層的溫度水平分佈不均勻性有密切聯系，且這種溫度分佈差異主要體現在亞洲大陸，因而也就使北極濤動的中緯度亞洲中心呈現出比同緯度帶其它區域更為明顯的緯向非對稱性和斜壓性；而冬季北極濤動受下墊面海陸分佈差異影響，其緯向非對稱型和斜壓性質主要出現在對流層中低層，在對流層高層表現出很強的環形模態和正壓結構。 -
In contrast, the out - of - phase vacillation in summertime ao covers the arctic region and mid - latitude asian continent. though the summertime ao exists on intraseasonal as well as interannual time scale, its asian active center abates on the intraseasonal pattern, thus awarding it more conspicuous zonal symmetric structure. interannually, summertime ao exhibits the zonal asymmetric and baroclinic features, and its seesaw mode is significant only in the lower troposphere
在年際時間尺度上，夏季北極濤動表現出比冬季北極濤動更強的緯向非對稱性和對流層高、低層位相不一致的斜壓性，其極地中心和亞洲中心的反位相濤動關系在對流層低層比較顯著，向上逐漸減弱，到對流層高層不能表現明顯的亞洲中心。 -
This indicates that surface active agent can suppress inhomogeneous deposition on active center of electrode surface, where specific absorption takes place
說明這些表面活性劑通過在電極表面活性中心的特性吸附，能夠抑制鋅在這些位置的非均勻沉積，起到抑制鋅枝晶的作用。 -
Nickel - based catalysts possess high catalytic activity for olefin polymerization, with single active center and wonderful molecular tailoring properties
這類催化劑具有高催化活性、單活性中心和良好的分子剪裁性，可以在分子層次上實現烯烴聚合的分子設計與組裝。 -
The denaturation was a two - steps " process. first, cml did n ' t lose activity despite of its structure changes because the changes were out of the active center
在cml的變性過程中，結構的變化先於活性的變化，先是結構開始變化，但活性中心結構並未破壞，凝血活性的變化有限。 -
The cd spectrum showed that the denaturation was a two - steps " progress. first, lra did n ' t lose activity despite of its structure change because the change was out of the active center
用depc對組氨酸的p一咪哇基進行特異化學修飾后，其凝血活性有明顯的下降，表明p一咪哇基是凝血活性的必需基團。 -
The interlayer distance of heptylamine intercalation complex is smaller than butylamine intercalation complex. polyamine molecules formed a bent conformation in the interlayer space of a - zpmpp and formed several intercalation phases for its muti - active center
多胺分子在（脯氨酸一n一甲基磷酸一磷酸氫）結的層板間呈彎曲排列，多胺分子由於有多個活性中心可以形成多個插層相。 -
Second, the active center was destroyed and cml lost its agglutinate activity completely
然後再是活性中。心發生劇烈的變化， cml喪失活性。 -
Second, the active center was destroyed and lra began to lose its agglutinate activity. so lra has a comparatively stable structure. the fls of lra with different temperature and ph also showed there was little change
而圓二色譜的研究表明結構的變化先於活性的變化，先是結構開始變化，但活性中心結構並未破壞，接著結構的進一步變化使活性逐步喪失，表明lra具有較強的抗變性能力。
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