Objective:To compare the prognostic significance of Chronotropic function(85%of maximal age-predicted heart rate,heart rate reserve),exercise myocardial perfusion tomography(MPI), post-exercise end-systolic volume(ESV)and left ventricular ejection fraction(EF)in patients with known or suspected coronary artery disease(CAD),probe into the usefulness of risk stratification by multivariate analyses.

目的比較心率變時(shí)性功能(次極量心率、心率儲(chǔ)備)、運(yùn)動(dòng)SPECT心肌灌注顯像(MPI)結(jié)果、左心室收縮末容積(ESV)和左心室射血分?jǐn)?shù)(EF)各自對(duì)疑診冠心病(CAD)患者的預(yù)后價(jià)值;探討多因素結(jié)合在患者危險(xiǎn)分層中的作用。

Removal of water vapor from 1,1-difluoroethane by membrane;

膜法脫除1,1-二氟乙烷氣體中的水蒸氣

On the basis of the quantum chemistry theory and the transition state theory, the degradation reactions of 1,1,1,2-tetrafluoroethane (HFC-134a) and 1,1-difluoroethane (HFC-152a) in the atmosphere are investigated theoretically to reveal their mechanism and kinetics properties.

本文采用量子化學(xué)方法研究了目前工業(yè)上使用最廣泛的兩種氟利昂替代物,HFC-134a(1,1,1,2-四氟乙烷,CH_2FCF_3)和HFC-152a(1,1-二氟乙烷,CH_3CHF_2)在大氣中化學(xué)轉(zhuǎn)化的微觀機(jī)制。

Research of EF-Tu Multiple Protein Complex in Escherichia Coli;

大腸桿菌EF-Tu多蛋白復(fù)合體的研究

A Study on the Integration of EF Group in M & A Process;

EF集團(tuán)公司并購(gòu)中的整合過(guò)程研究

An algorithm to Achieve queue fairness;

實(shí)現(xiàn)隊(duì)列公平性的EF-RED算法

Degradation of Phenol by EF Method and Its Analysis by HPLC;

EF法降解苯酚及中間產(chǎn)物的高效液相色譜分析

Analysis of EST Profile Induced by SMV and SR-EF Gene in Soybean;

大豆SMV誘導(dǎo)的EST表達(dá)譜分析及SR-EF基因研究

Immune Protection Research of Muramidase-released Protein, Extracellular Factor Protein and GroEL from Streptococcus Suis Serotype 2;

豬鏈球菌2型MRP、EF和GroEL免疫保護(hù)力的研究

The Clinical Non-invasive Methods Diagnosis Assessment of the Diastolic Heart Failure with EF>50%

EF>50%舒張性心力衰竭的臨床無(wú)創(chuàng)診斷評(píng)估

Cloning and Sequencing of tuf Gene for Elongation Factor Tu from Streptococcus Mutans;

變形鏈球菌延伸因子（EF-Tu）tuf基因的克隆及序列分析

Cloning、Expression Three Virulence Related Proteins of Streptococcus Suis Type 2 and Preparation Monoclonal Antibody Against MRP and EF;

SS2三種毒力相關(guān)蛋白的克隆、表達(dá)及MRP與EF單克隆抗體的制備

Cloning of Elongation Factor-1A (EF-1A) Gene cDNA and Preliminary Function Analysis in Musa Acuminata;

香蕉延長(zhǎng)因子1A（EF-1A）基因全長(zhǎng)cDNA的克隆及其特征分析

Effect of EF-1A2 Antisense Oligonucleotide on the Proliferation and Apoptosis in SKOV3 Cells of Ovarian Carcinoma;

EF-1A2反義寡核苷酸對(duì)卵巢癌SKOV3細(xì)胞增殖和凋亡的影響

Correlation between SNP of TaCCaMK Gene EF Hands Domain and Drought and Flood Tolerance in Wheat;

小麥TaCCaMK基因EF手性結(jié)構(gòu)域的SNP及其與抗旱、耐澇性的關(guān)系

Study on the Phylogeny of Seven Genera of Diaspidinae Based on EF-1a Sequences;

基于EF-1a序列的盾蚧亞科7屬的分子系統(tǒng)學(xué)研究

Study on the phylogeny of seven genera of Diaspidinae based on EF-1a sequences

基于核基因EF-1a序列的盾蚧亞科7個(gè)屬的系統(tǒng)發(fā)育

Decoupling Interactions between EF-hands of Recoverin and Ca~(2+):Steered Molecular Dynamics Simulation

恢復(fù)蛋白EF-hand與鈣離子去耦合作用的拉伸分子動(dòng)力學(xué)模擬

Expression and purification of the extracellular factor from Streptococcus suis type 2 of human origin strain ZYH24 and preparation of its monoclonal antibodies

SS2人源分離株ZYH24 EF的表達(dá)純化及其單克隆抗體的制備

" Environmental testing for electric and electronic products--Part 2: Tests method Test Ef: Impact,pendulum hammer"

GB/T2423.46-1997電工電子產(chǎn)品環(huán)境試驗(yàn)第2部分：試驗(yàn)方法試驗(yàn)ef：撞擊擺錘

Fine Mapping of a Dominant Earliness Gene Ef-s in Rice and Some Research of a Novel Transcription Factor MYB;

水稻顯性早熟基因Ef-s的精細(xì)定位及一個(gè)新的MYB轉(zhuǎn)錄因子的研究