secondary selection 中文意思是什麼
secondary selection
解釋
次級選擇-
Niger with phytase activity about 2250 u / ml which selected by protoplast - uv mutation was used as original, prepared it into fungu - suspend - liquid, through uv mutation, daub on the filter - substract. pre - primary - selection was according to the lucency - circle, primary - selection was one fungus inoculate one flask to ferment, secondary - selection was using several high phytase activity fungus through one fungus inoculate 2 - 3 flasks to ferment. then one or two high phytase activity fungus of the secondary selection were used in the next mutation cycle
首先用粗略制備的原生質體經紫外誘變篩選到一株酶活為2250u ml的實驗出發菌；制備成菌懸液，紫外燈下照射誘變，紅光下塗抹篩選平板，恆溫培養2 3d ；按透明圈大小進行預初篩，挑選徑圈比大的菌落接斜面，恆溫培養3d ；按一株一瓶的方式進行初篩；從中選取酶活較大的3 5株，按一株2 3瓶的方式進行復篩；挑取酶活大且穩定的1 2株進入下一代誘變篩選。 -
Data inputting and graphinputting module respectively achieve data inputting of first system and electric firstwiring diagram inputting ; secondary scheme design module realizes scheme design ofsecondary loops including control, protection, signal, measure, automotive equipment, operation electrical source and electrical source for substation and power distributionstation, using rule - cased reasoning of expert system ; protective relaying settingcalculation module realizes setting calculation for first equipments which aretransformers, circuitries, capacitors, and electromotors ; secondary equipmentselection module realizes type selection of secondary microcomputer integratedequipments ; graph making out module realizes secondary drawings making outautomatically representing design production using case - cased reasoning of expertsystem and the drawings can be edited and modified under the secondary developedautocad environment
數據輸入和圖形輸入模塊分別完成一次系統資料錄入和電氣主接線圖的輸入;二次方案設計模塊利用專家系統基於規則的推理實現變配電所各二次迴路的方案設計，包括控制、保護、信號、測量、自動裝置、操作電源和所用電源;繼電保護整定計算模塊實現主設備的整定計算，包括變壓器、線路、電容器和電動機;二次設備選型模塊實現二次微機成套裝置的型號選擇;圖形生成模塊利用專家系統基於實例的推理實現代表設計成果的各類二次圖紙的自動生成，生成的圖紙可以在二次開發的autocad環境下進行編輯和修改。 -
After water diversion among lakes, the lakes and the connected channels form a complex lake net structure, leading to problems such as multi - selection of diversion routes and existence of secondary distributaries
摘要湖群調水后，湖群及其連通溝渠共同組成了復雜的湖網結構，調水線路不單一，存在著二次分流問題等。 -
On the basis ofintelligent modeling, it is made of six function modules which are data inputting, graph inputting, secondary scheme design, protective relaying setting calculation, secondary equipment selection and graph making out
系統在智能模型構建的基礎上，由數據輸入、圖形輸入、二次方案設計、繼電保護整定計算、二次設備選型和圖形生成六大功能模塊構成。 -
On the basis of summarizing the common principle and method of selection of system structure and setting function and means of implementation, we research mainly on such subjects as follows : firstly, we studied the implementation of text extraction and digital signature by cad secondary development technology combine with database technique. secondly, based on method for pre - processing scanning images of drawings, finally, the application of artificial neural network in engineering drawing sign character recognition was researched. in this thesis, we presented the building model and implementation method has some references to the designing work of similar system
在論述系統結構選取、功能構建以及實現技術的一般原理和方法的基礎上，進行了以下幾個方面的研究：首先研究了cad二次開發技術同數據庫技術相結合實現系統圖紙文本信息西安理工大學碩士學位論文提取和電子會簽功能，然後研究了掃描圖紙的圖像處理技術，為圖紙的矢量化和智能識別提供圖形表達準確、圖形要素和字元要素分離的數據源，最後研究了人} _神經網路技術在} _程圖紙標識字元識別中的應用。 -
After the primary and secondary selection, 7 strains were tested to have higher productivity than the starting strain. of the 7 strains, strains s1 - 007, s1 - 123 and s1 - 018 were proved to produce more maduramicin than the starting strain. compared with 6236ug / ml of the starting strain, the productivity of the above three strains reached 8020 g / ml, 8254 g / mland9175 g / ml respectively
出發菌株尤馬馬杜拉放線菌s - 1 ，經過鏈黴素抗性篩選，挑取223個菌株，經過初篩和復篩得到7株菌株馬杜黴素的產量高於出發菌株，其中3個菌株s1 - 007 、 s1 - 123和s1 - 018的產素量與出發菌株的6236ug ml相比有較大提高，分別為8020ug ml ， 8254ug ml和9175ug / ml ，尤其是突變菌株s1 - 018的產量比出發菌株高47 。 -
The selection for the capsule must include at least one input and no more than one output. nodes that are not directly linked to each other and group nodes cannot be encapsulated. note that an operator used as a secondary input is considered as an output
為膠囊選擇必須包含最少一個導入並且不超過一個輸出.節點不能立即被連接到各自其它的並且群組節點不能被形成膠囊.注釋一操作被用作二級導入被認為是輸出 -
The thought of secondary selection of wto rules and managed trade are just to provide enough space for local governments to carry out foreign trade management
Wto規則的次優選擇和管理貿易的思想恰恰給政府進行外貿管理提供了足夠的空間。 -
It emphases the selection of secondary voltage of the step - down transformer, the control and protection of thyristor, the calculation of compensation capability and group capability, the technique of cross - zero switched on / off capacitors or reactor, the solution of avoiding possible resonance in switching on / off groups of capacitors or reactor and the measure of the best time to switch ( including the design of the computer survey and control system, instrument deliver system, delay operate and protect system ). although thyristor as a no - contact switch can avoid almost the problem of contact switch with contact, it can not solve the over - voltage, over - current and transient process itself as switching on / off capacitors or reactor. so we must develop a set of thyristor - switched control and protect system with great reliability so that it can realize of cross - zero switching on / off capacitors or reactor at any time
晶閘管具有過零、動作快速的特點，本研究以晶閘管為電容器和電抗器的分組投切開關，重點研究了協調變壓器二次電壓的選擇、晶閘管觸發控制及保護、動態補償容量及分組容量的計算確定、過零投切電容器和電抗器技術的實現、以及分組投切電容器和電抗器可能發生諧振的處理計算方法，給出實現最佳補償投切選擇方法（測控系統、儀表變送系統、操作和保護系統的設計步驟） ，研製了一套高可靠性晶閘管觸發控制及保護系統，實現對無功的靜止可調補償。 -
Through the qualitative and quantitative analyses on the present developing situation, the external & internal enviroment that qiangjiang cigarette factory is confronting, chongqing cigarette industry and the cigarette ' s market structure, this thesis utilizes the relative theories & methods ( space & bcg matrixes mainly ) on strategic selection and evaluation to make a strategic matching and selection for the future development of qiangjiang cigarette factory and determines that the enterprise should select different product - market strategies such as the market permeation and research, the product research and etc., which mainly concern the brand competition with the secondary seating - arrangement strategy
本文通過對黔江卷煙廠發展現狀、所面臨的外部環境和自身內部環境以及重慶卷煙工業和卷煙市場結構的定性定量分析，運用戰略選擇與評價的相關理論和方法（主要是space矩陣和bcg矩陣）對黔江卷煙廠的未來發展進行戰略匹配和戰略決策，確定了企業在未來市場競爭中應選擇市場滲透、市場開發、產品開發等產品?市場戰略和以品牌競爭為主要?容的差異化戰略，以及處于第二位的位次競爭戰略。 -
Prof. laurence wong, dean of students said : transition from secondary schooling to university education, the new - found freedom of course selection, the credit - based system and hostel life altogether might bring about pressure and anxiety to the freshmen
嶺大學生輔導長黃國彬教授表示：同學一時間由中學生轉變成為大學生，由修讀既定學科，變為可自行選科，以至要適應學分制宿捨生活等種種轉變，難免會令一些新同學頓時感到旁徨恐懼。 -
Each subsection includes information about core classes, the selection process, default rendering, adaptive rendering, secondary user interface, and additional capabilities. in this section
每個特性集都包含有關核心類、選擇過程、默認呈現、適應性呈現、輔助用戶界面（ ui ）的信息，適當的時候還包含附加功能信息。 -
Taking the soft ? sensing of oxygen content in flue gas, unburned carbon content in fly ash and coal load in ball mill as examples, we emphatically analyze the current status, modeling method of their soft ? sensing and the secondary variable selection in the soft ? sensing ; and also summarize some other thermal parameter soft ? sensing techniques in our country, which is a guidance for the development of the thermal parameter soft ? sensing technique in power plant, and has some value for the optimization of thermal control systems
以煙氣含氧量、飛灰含炭量、球磨機負荷為例，著重分析和總結了其測量的現狀、軟測量建模方法和二次變量的選取，並概括了國內現有的其他熱工參數軟測量技術，對火電廠熱工參數軟測量技術的發展具有一定的指導意義，對熱工控制系統的優化具有一定的參考價值。 -
It can be seen from the above definition that the selection of secondary variables is of great importance for building an effective and mature soft sensor model and this dissertation devoted to this problem
從上述定義可以看出，輔助變量的選擇對建立一個成熟有效的軟測量模型至關重要。 -
This paper studies the chemical data pretreatment and describes the contents and methods in various phases of data pretreatment such as secondary variables selection, data acquisition, data reconciliation, and input data dimension reduction
摘要對化工數據預處理問題進行了研究，闡述了化工數據智能建模中輔助變量選擇、數據採集、數據校正、輸入數據降維等各種數據預處理的思路與方法。 -
Based on neural network, a novel design of soft - sensor is presented, in which grey, relation analysis as an assistant tool of secondary variables selection in the modeling course of soft - sensor is used to predict the fracture energy and crack length of concrete bending beams
基於神經網路提出了一種新的軟測量方法，採用灰關聯分析作為軟測量建模中輔助變量選擇的工具，對土木工程中常用的混凝土彎曲梁的斷裂能和斷裂區長度進行預測。 -
The selection of secondary variables is to find a subset of a pre - specified set of independent variables, which can best describe the dependent variables, or to select a subset of the original data which contains a relatively a small number of variables in such a way that the selected subsets of variables retain, as much as possible, the overall multivariate structure of the complete original data
所謂輔助變量的選擇就是在一系列預先給定的自變量集合中找出其中的一個子集，使得這個子集能夠對因變量進行最好的描述，或者找出一個變量集的子集，使得這個子集能夠包含較少的變量，同時能夠盡可能地保持原來的完整數據集的多元結構特徵。 -
By improvement on material quality, selection of rational structure, and tight control of quality of manufacture and process indicators in operation, the secondary evaporator - heater has been in operation for three years without any obvious signs of corrosion, and its service life is expected to he more than five years
通過改進材質、選擇合理的結構、嚴控製作質量和操作工藝指標，二段蒸發加熱器經3年多的運行，未出現明顯的腐蝕現象，預計使用壽命在5年以上。 -
Some key steps of the evaluation system was discussed including establishment of index system, selection of subordinate degree function, distribution of index weights and evaluation techniques for secondary level fuzzy evaluation, which can make the established system more scientific and objective
文章就模糊綜合評價體系中評價指標體系的建立、隸屬度函數選擇、因子權重分配方法以及二級評判方法等幾個關鍵環節和步驟作了初步探討，以期所建立的評價體系更科學、更客觀。
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