收針桿 的英文怎麼說
中文拼音 [shōuzhēngǎn]
收針桿
英文
narrowing rod-
Selected one of the 14 strains - s93, s93 dna was digested partially with sau3a i and 2 ~ 3kb fragments were collected and inserted into puc 18, then transformed into dh5 a. filtering the clone with hybridization in situ, a 1 kb frament clone has been cloned
使用sau3ai對基因組dna進行不完全酶切，回收2 3kb片段，與puc18質粒連接轉化大腸桿菌，利用地高辛標記探針，使用菌落原位雜交篩選轉化子；篩選到包含有約1kb外源片段的轉化子。This paper aims at bridge with high pier and long span adopting single or double featheredge piers, the stability of bridge in the whole construction process is analyzed combined with research conclusion of bridge stability and concrete creep and shrinkage, bridge construction period is divided according to actual construction - process and concrete creep and shrinkage regularity and structure is analyzed as plane truss at each time increment
本文針對常用單、雙薄壁墩的高墩大跨徑橋梁，結合國內外對橋梁結構穩定與混凝土徐變收縮的研究成果，對節段法施工的橋梁進行穩定性全過程分析方法研究。根據實際施工過程及混凝土徐變收縮規律對施工全過程劃分時段，對每個具體計算時刻採用平面桿系結構進行計算分析，不同計算時刻具有不同的結構體系。The first part of this text recommends and explain the intension of the system of executive stock option with its key element, characteristic, current development, positive and negative effects, etc. which offering basic support for following analysis ; the second part, described the behavior of stock price and black - scholes option pricing model from the angle of quantitative analysis, and discuss the value factor of stock option with its encouragement, analyzed the change of every factor in black - scholes option pricing model impact on option worth ; then analyzed the leverage effects and manager ' s morals risk model of executive stock option, at last, considering the main defect existing in the system of executive stock option at present, that is : it depends on stock market unduly, and the stock option incomes of manager has no relationship with manager ' s achievement. this text bring forward the manager synthesizes achievement and appraises model
本文的第一部分全面介紹和闡述了經理股票期權制度的內涵，構成要素，特點，發展情況和正負效應等，為後面的分析提供了基本支持；第二部分，從定量分析的角度出發描述了股票價格行為和black - scholes期權定價模型，並以此為理論基礎探討了股票期權的價值因素和激勵性，分析了black - scholes期權定價模型中各因素的變化對期權價值的影響；接著分析了經理股票期權的杠桿效應和經理人道德風險模型，最後，針對當前經理股票期權制度存在的主要缺陷即：過度依賴股票市場，經理的股票期權收入與公司的業績缺乏相關性這一問題提出了經理綜合業績評價模型。
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