鄭文根 的英文怎麼說
中文拼音 [zhèngwéngēn]
鄭文根
英文
zheng wengen-
Three chloroplast transformation vectors including pds16s - cat, ptn1269 - bar and psp72 - n5 - bar - n3 were constructed, using ! 6s rrna or chln gene sequence as a homologous segment and cat or bar as a selective marker gene, respectively. foreign genes were introduced to the cells of d. salina by microprojectile bombardment method and a pilot chloroplast tran
3 .杜氏鹽藻葉綠體165出na基因的克隆和轉化載體的構建根據杜氏鹽藻的近緣藻類的葉綠體基因組序列資料，克隆了杜氏鹽藻葉綠體16srrna基因部分序列1100bp ，並利用克隆的16srrna鄭州大學2003年博士學位論文Again focuses on adventures of lung wai ronald cheng and his buddies. the three wacky cops, while enjoying their vacation in a quiet village on an outlying island, accidentally mess up a special operation by the sdu squad, hunting down an important criminal. the village s guardian, a goddess statue, also gets stolen
新一代諧星鄭中基繼續以懶散無用的二世祖威身分，將香港喜劇電影中的草根文化，引發新一浪笑旦，表現得淋漓盡致，與張達明李璨琛這三個傻警反轉離島miki演出鄉村小姑娘可愛，夏雨朱咪咪的生鬼演出亦記一功。According to the words in fleet ' s westwards journey and relevant descriptions in “ zheng he pilgrimage stele ”, i believe the actual date of zheng ' s fifth trip was a day between late april and early may in the 15th year of yongle ( 1417 )
根據《舟師往西洋記》碑抄文和泉州《鄭和行香碑》的相關記載，文章認為：鄭和舟師第五次下西洋的具體出洋時間，應在永樂十五年（ 1417 ）四月末至五月上旬期間的某一天。In order to resolve the question, in the thesis a simulation arithmetic of hydro - electrical system is put up. the equations of hydro - electrical system are divided to two parts, one of which consists of the differential equations of conduit system, hydro turbine and generator ' s rotator and is solved by characteristic equation arithmetic, the other of which consists of the differential equations of generator, magnetic system and grid and is solved by longge - kuta arithmetic or covert integrated arithmetic. through the alternative solving of the two parts, the simulation results of the large - disturbance transient could be abstained eventually
為解決這一問題，本文提出了一種將水力系統和電力系統方程交替求解的水電系統聯合模擬演算法，即將包括輸水系統、水輪機以及機組轉子等部分的水力系統差分方程作為一部分，將包括同步發電機、勵磁系統以及電網等部分的電力系統微分方程或差分方程作為另一鄭州大學工學碩士論文部分，對前一部分採用特徵線法求解，對后一部分根據模型形式採用龍格一庫塔法或隱式積分法等演算法求解，這兩部分的求解過程交替進行，最終即可得到水電系統大擾動過程的模擬結果。Recent studies indicate that the mechanism to this process is complicated and needs further exploration with sophisticated microarray approaches. on the bases of this model, we prepared cdna microarray with restriction display ( rd ) technique and studied the gene expression profile changes of sh - sy5y cells after treatment with ra with our self - made microarrays
本課題根據這一線索，採用馬文麗、鄭文嶺等建立的rd技術制備sh - sy5y細胞基因表達譜晶元，在基因晶元的制備上做了一些研究，同時應用自製的基因表達譜晶元，研究了ra誘導sh - sy5y細胞分化的基因表達變化。According to the requirements of the real - time monitor and information management system for locomotive maintenance of zhengzhou, this paper deals with a distributed data acquisition transmission and processing system, in order to collect data of field equipments automatically, transport the data to server through embedded ethernet and store them in the sql database
論文是根據鄭州機務段「機務段機車檢修實時監測管理系統」項目的要求，實現一個基於嵌入式以太網的分散式數據採集傳輸處理系統，實現對現場設備的數據自動採集，並通過嵌入式以太網傳輸至服務器，送入sqlserver數據庫，同時提供數據庫web瀏覽功能。In order to form a chloroplast transformation system of d. salina, we have conducted some studies including its sensitivity to antibiotics, the activity of promoter, cloning of the chloroplast genes and construction of transformation vectors, so far a pilot transformation system of the d. salina chloroplast has been completed. methods : the sensitivity of d. salina to seven antibiotics or herbicide used commonly in gene engineering was studied and the biological activity of atpa promoter from c. reinhardtii chloroplast was tested by using enhanced green fluorescent protein ( egfp ) as a reporter. primers were designed in the conservative encoding regions according to the chloroplast genomes from four algae which have close genetic relationship with d. salina, and the sequences of 16s rrna, chll and chln of d. salina chloroplast were cloned and sequenced, respectively
方法:根據杜氏鹽藻的近緣藻類的葉綠體基因組序列資料，在基因編碼區的高度保守區域設計引物，克隆了杜氏鹽藻葉綠體165識na基因、咖l基因和ch n基因，並分別以165識na基因和chln基因序列為同源片段，以cat和bar基因為篩選標記基因構建了三套杜氏鹽藻葉綠體轉化載體: 2鄭州大學2003年博士學位論文杜氏鹽藻（ d ~ iiellasalina ）葉綠體轉化研究pds165一eaf 、 ptn1269一bar和psp72一5一bar一3 ，用基因槍法轉化杜氏鹽藻，初步建立起杜氏鹽藻葉綠體轉化體系。The solving steps are as follows : the field is divided into three regions by the cylindrical surface of the finite - length cylinder and the location of the delta - coils. because " the surface current source is placed at the interface, the non - homogenous restricted equation on the magnetic vector potential is transformed into the homogenous helmholtz equation. by using the method of separation of variables to solve equation and according to the interface conditions and the condition at infinity to determine the unknown constants, the expressions for the magnetic vector potential of the three regions are solved out
在求解過程中，假定放置式圓柱線圈是由無窮多個對稱圓環線圈密饒而成，首先求解含有有限長磁芯的通電對稱圓環線圈的電磁場：以有限長圓柱磁芯的側面和圓環線圈所在圓柱面為分界面將場域劃分為三個小區域，由於場源放置在內邊界面上，使得關于矢量磁位的非齊次約束方程轉化成齊次亥姆霍茲方程，利用分離變量法求解，根據分界面鄭州大學碩十研究生畢業論文摘要條件以及無限遠條件確定待定常數，從而得到各場區矢量磁位的表達式。According to the viewpoint of professor zheng yuxin, this thesis puts forward two kinds of mistakes : process mistakes and rational mistake
本文根據鄭毓信教授的觀點，提出數學概念學習中的錯誤可以分為兩類：一是過程性錯誤，二是合理性錯誤。分享友人