搜索结果: 1-15 共查到“IQ”相关记录30条 . 查询时间(0.078 秒)
中国科学院心理所研究比较儿童虐待评估工具ACE-IQ和CTQ-SF
评估 流行病学 预测
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2024/6/6
儿童虐待(childhood maltreatment)是影响全球数百万儿童的普遍公共卫生问题,对个体一生的心理健康都有着深远的影响。目前,常用的评估工具是儿童创伤问卷(Childhood Trauma Questionnaire Short Form ,CTQ-SF)和不良童年经历国际问卷(Adverse Childhood Experiences International Questionn...
MR IDEAL-IQ序列评估肝功能分级的可行性研究
肝脏 肝功能 磁共振成像
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2020/10/15
探讨1.5T MR定量非对称回波的最小二乘估算法迭代水脂分离(IDEAL-IQ)序列评估肝功能分级的可行性。 方法 回顾性分析2016年2月至2017年12月行1.5T MR IDEAL-IQ序列扫描,且临床诊断为肝硬化患者。依据肝功能Child-Pugh分级标准分为A、B、C 3级。最终入组:肝功能A级30例,肝功能B级25例,肝功能C级16例。由2名观察者分别在GE AW4.6工作站通过脂肪分...
MR IDEAL-IQ评价急性胰腺炎状态下脾脏铁沉积、脂肪和水含量变化
急性胰腺炎 脾脏 水脂分离成像 IDEAL-IQ 脂肪含量 铁沉积
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2020/10/15
探讨急性胰腺炎(AP)状态下脾脏组织内铁沉积、脂肪及水含量变化。 方法 44例AP患者和21例健康受检者分别作为实验组和对照组,进行MR上腹部常规扫描,并采用IDEAL-IQ序列扫描,在后处理工作站多点测量脾脏弛豫率图(R2*)、水像图(Water)、脂像图(Fat)及脂肪分数图(FF)值并行统计学分析。
肝脏铁过载的MRI特征及其IDEAL-IQ定量评估的可行性
铁过载 肝脏 血色病 磁共振成像
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2020/10/14
探讨继发性血色病导致肝脏铁过载的MRI特征以及迭代最小二乘法非对称采集水脂分离评估-定量铁测量(IDEAL-IQ)定量评估肝脏铁过载的可行性。 方法 选取20例继发性血色病肝脏铁过载的患者(实验组)和20例健康成人(对照组),行常规MRI及IDEAL-IQ扫描。对比分析实验组肝脏铁过载的MRI特征。在IDEAL-IQ扫描得到的R2*映像图上分别测量2组肝脏的R2*值,比较2组的年龄、性别以及R2*...
MRI IDEAL IQ技术在宫颈癌放化疗中骨髓抑制诊断中的应用
磁共振成像 定量非对称回波最小二乘估算法迭代水脂分离 骨髓 脂肪分数 宫颈癌
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2020/10/14
探讨MRI定量非对称回波最小二乘估算法迭代水脂分离(IDEAL IQ)技术在宫颈癌放化疗过程中骨髓抑制诊断中的应用。 方法 对25例确诊为宫颈癌并接受根治性放化疗的患者行矢状位MRI IDEAL IQ 扫描,所有入组患者放疗前及放疗过程中每周均行1次MRI检查,直至放疗结束,每例患者共行6次扫描。分别在L4、L5、S1椎体和皮下脂肪组织进行脂肪分数(FF)测量,并在AW4.6工作站上进行IDEAL...
探讨定量非对称回波的最小二乘估算法迭代水脂分离序列(IDEAL-IQ)精准定量评价腰椎椎体脂肪含量(FF)的临床价值。 方法 根据骨密度(BMD)结果,将60例符合研究标准的体检者/患者,分为正常骨量组(A组,n=17)、低骨量组(B组,n=18)、骨质疏松(OP)组(C组,n=25),分析年龄差别;分别扫描腰椎矢状位T1WI、T2WI及IDEAL-IQ序列扫描,在FatFrac图上勾画长方形RO...
Visual intelligence is not the same as IQ(图)
Visual intelligence not the same IQ
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2017/11/23
Just because someone is smart and well-motivated doesn’t mean he or she can learn the visual skills needed to excel at tasks like matching fingerprints, interpreting medical X-rays, keeping track of a...
GE Innova 3100-IQ血管机(图)
临汾市人民医院 血管机 心脑血管
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2023/12/28
GE Innova 3100-IQ血管机采用最新的结晶数字化探测技术,象一台高级摄影机能够以每秒60度高速旋转,全程180度旋转拍摄记录,充分显示心脑血管、外周血管乃至颅内细微血管的图像。
The Structural Connectivity Underpinning Language Aptitude, Working Memory, and IQ in the Perisylvian Language Network
The Structural Connectivity Underpinning Language Aptitude Working Memory IQ Perisylvian Language Network
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2015/4/21
In this article, we report the results of a study on the relationship between individual differences in language learning aptitude and the structural connectivity of language pathways in the adult bra...
Integrated CMOS IQ Upconverter/Downconverter for an X-Band Phased-Array Radar Application
RF CMOS X-Band Quadrature Conversion Injection Locking Quadrature Coupling Inegrated Mixer
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2014/12/8
This thesis describes the design and measurement of an X-band IQ up/down converter that has been fabricated on a 180nm RF CMOS process. This converter includes components for mixing, frequency doublin...
First Monolithic GaAs IQ Electro-optic Modulator, Demonstrated at 150 Gbit/s with 64-QAM
First Monolithic GaAs IQ Electro-optic Modulator 150 Gbit/s with 64-QAM
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2014/11/6
We report on the first experimental demonstration of a GaAs IQ-modulator. Data rates of up to 150 Gbit/s are generated using QPSK, 16-QAM, 32-QAM and 64-QAM on a single carrier and polarization.
《超越IQ——智力的三元理论》
《超越IQ——智力的三元理论》 罗伯特·J·斯腾伯格 1985
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2014/4/3
智力因为心理学的深入研究才具有现今丰富的涵义。其中智力结构理论极其指导的智力(IQ)测验几乎主宰该领域达半个世纪之久,至今影响深远。但它存在许多不足,如果一味强调技术,脱离研究对象的整体文化背景和社会实践,最终难免走向没落。本书首次完整地揭示了斯腾伯格的三元智力理论,这在斯腾伯格个人的理论思想发展史上具有里程碑式的意义,标志着其智力理论的真正成熟。在书中,斯腾伯格试图从主体的内部世界、现实的外部世...
Real-time IQ Imbalance Compensation for Coherent Optical OFDM Transmission
Fiber optics links and subsystems Coherent communications
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2015/5/25
A FPGA-based receiver side (Rx) IQ imbalance compensation scheme for 10.7-Gb/s 16-QAM CO-OFDM transmission is demonstrated in real time. The compensation scheme performs better with the increase of OS...
Monolithic 100 Gb/s Twin-IQ Mach-Zehnder Modulators for Advanced Hybrid High-Capacity Transmitter Boards
Monolithic 100 Gb/s Twin-IQ Mach-Zehnder Modulators Advanced Hybrid High-Capacity Transmitter Boards
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2015/5/20
Development and characterization of monolithic, flip-chip compatible 2x50 Gb/s twin-IQ DQPSK MZ modulator chips - capable for hybrid assembly onto planar optical boards of advanced Tbit-capacity trans...
A Modulation Scheme for 100Gb/s Minimum-Shift Keying Format based on Imbalanced Bias in IQ Components
Minimum-Shift Keying IQ Components Imbalanced Bias
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2015/5/15
We propose an optical MSK modulation scheme to achieve the 100Gb/s MSK signal with constant envelope and continuous temporal phase shift. The investigation on the transmission performance clearly demo...