108 research outputs found
Parsing the passive: comparing children with Specific Language Impairment to sequential bilingual children
25 monolingual (L1) children with Specific Language Impairment (SLI), 32 sequential bilingual (L2) children, and 29 L1 controls completed the Test of Active & Passive Sentences-Revised (van der Lely, 1996) and the self-paced listening task with picture verification for actives and passives (Marinis, 2007). These revealed important between-group differences in both tasks. The children with SLI showed difficulties in both actives and passives when they had to reanalyse thematic roles on-line. Their error pattern provided evidence for working memory limitations. The L2 children showed difficulties only in passives both on-line and off-line. We suggest that these relate to the complex syntactic algorithm in passives and reflect an earlier developmental stage due to reduced exposure to the L2. The results are discussed in relation to theories of SLI and can be best accommodated within accounts proposing that difficulties in the comprehension of passives stem from processing limitations
Measurement of forward charged hadron flow harmonics in peripheral PbPb collisions at √sNN = 5.02 TeV with the LHCb detector
Flow harmonic coefficients,
v
n
, which are the key to studying the hydrodynamics of the quark-gluon plasma (QGP) created in heavy-ion collisions, have been measured in various collision systems and kinematic regions and using various particle species. The study of flow harmonics in a wide pseudorapidity range is particularly valuable to understand the temperature dependence of the shear viscosity to entropy density ratio of the QGP. This paper presents the first LHCb results of the second- and the third-order flow harmonic coefficients of charged hadrons as a function of transverse momentum in the forward region, corresponding to pseudorapidities between 2.0 and 4.9, using the data collected from PbPb collisions in 2018 at a center-of-mass energy of 5.02
TeV
. The coefficients measured using the two-particle angular correlation analysis method are smaller than the central-pseudorapidity measurements at ALICE and ATLAS from the same collision system but share similar features
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Research and Design of a Routing Protocol in Large-Scale Wireless Sensor Networks
无线传感器网络,作为全球未来十大技术之一,集成了传感器技术、嵌入式计算技术、分布式信息处理和自组织网技术,可实时感知、采集、处理、传输网络分布区域内的各种信息数据,在军事国防、生物医疗、环境监测、抢险救灾、防恐反恐、危险区域远程控制等领域具有十分广阔的应用前景。 本文研究分析了无线传感器网络的已有路由协议,并针对大规模的无线传感器网络设计了一种树状路由协议,它根据节点地址信息来形成路由,从而简化了复杂繁冗的路由表查找和维护,节省了不必要的开销,提高了路由效率,实现了快速有效的数据传输。 为支持此路由协议本文提出了一种自适应动态地址分配算——ADAR(AdaptiveDynamicAddre...As one of the ten high technologies in the future, wireless sensor network, which is the integration of micro-sensors, embedded computing, modern network and Ad Hoc technologies, can apperceive, collect, process and transmit various information data within the region. It can be used in military defense, biomedical, environmental monitoring, disaster relief, counter-terrorism, remote control of haz...学位:工学硕士院系专业:信息科学与技术学院通信工程系_通信与信息系统学号:2332007115216
Carcinoma del esofago
El desarrollo del tratamiento quirúrgico del carcinoma del esófago, es uno de los más importantes adelantos en cirugía durante la presente década. Técnicas operatorias han sido desarolladas para la extirpación del carcinoma en distintas zonas del órgano y para el restablecimiento subsiguiente del tracto alimenticio. El número de las operaciones que han tenido éxito aumenta constantemente y las ratas de supervivencia de 3 a 5 años después de operados son esperadas con interés. Es importante tener en cuenta que el tratamiento quirúrgico debe ser radical e incluír las posibles propagaciones de la enfermedad a los tejidos contiguos e incluyendo los ganglios linfáticos regionales. El tratamiento quirúrgico ofrece la única esperanza para estos pacientes, puesto que todos los otros métodos de tratamiento son solamente paliativos
Carcinoma del esofago
El desarrollo del tratamiento quirúrgico del carcinoma del esófago, es uno de los más importantes adelantos en cirugía durante la presente década. Técnicas operatorias han sido desarolladas para la extirpación del carcinoma en distintas zonas del órgano y para el restablecimiento subsiguiente del tracto alimenticio. El número de las operaciones que han tenido éxito aumenta constantemente y las ratas de supervivencia de 3 a 5 años después de operados son esperadas con interés. Es importante tener en cuenta que el tratamiento quirúrgico debe ser radical e incluír las posibles propagaciones de la enfermedad a los tejidos contiguos e incluyendo los ganglios linfáticos regionales. El tratamiento quirúrgico ofrece la única esperanza para estos pacientes, puesto que todos los otros métodos de tratamiento son solamente paliativos
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