检索结果-南通市图书馆

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

影响猪肉品质的屠宰因素

国外畜牧科技 1985年第6期 54-56页

作者：王兴佳 t.r.carr

“猪肉品质”一词在美国猪肉的生产、销售部门含义不同。产销部门最重视活重、屠宰率、肌肉丰满度、低脂肪和一般外观;加工部门关心的是肌肉的硬度、色泽以及分割肉重;零售商注重外表、贮存稳定性和活重减缩率;而消费者讲究熟肉适口性... 详细信息

“猪肉品质”一词在美国猪肉的生产、销售部门含义不同。产销部门最重视活重、屠宰率、肌肉丰满度、低脂肪和一般外观;加工部门关心的是肌肉的硬度、色泽以及分割肉重;零售商注重外表、贮存稳定性和活重减缩率;而消费者讲究熟肉适口性。猪肉品质可以定义为:与鲜肉和加工肉的外观与适口性有关的一些特性,包括猪肉的色泽、肉质结构、硬度和大理石状(肌间脂肪纹)。本文概述美国猪肉品质的主要问题,并简要讨论对猪肉品质影响较大的屠宰因素。

关键词：猪肉品质大理石状肌间脂肪适口性分割肉丰满度贮存稳定性大理石纹活重快速冷冻

Shrinkage of magnetosphere observed by tC-1 satellite during the high-speed solar wind stream

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

Science China(technological Sciences) 2008年第10期51卷 1695-1703页

作者： H. rME I. DANDOUrAS C. M. carr Centre d'Etude Spatiale des rayonnements BP 4346 31028 Toulouse cedex 4 France the Blackett Laboratory Imperial College London SW7 2BZ UK

During the interval 06:14―07:30 Ut on August 24, 2005, since the Earth’s magneto- pause was suddenly compressed by the persistent high-speed solar wind stream with the southward component of the interplanetary magnetic field (IMF), the magnetopause moved inward for about 3.1 rE. Meanwhile, tC-1 satellite shifted from northern plasma sheet to the northern lobe/mantle region, although it kept inward flying during the interval 06:00―07:30Ut. the shift of tC-1 from the plasma sheet to the lobe/mantle is caused by the simultaneous inward displacements of the plasma sheet and near-Earth lobe/mantle region, and their inward movement velocity is larger than the inward motion velocity of tC-1. the joint inward dis-placements of the magnetopause, the lobe/mantle region and the plasma sheet indicate that the whole magnetosphere shrinks inward due to the magnetospheric compression by the high-speed solar wind stream, and the magnetospheric ions are attached to the magnetic field lines (i.e. ‘frozen’ in magnetic field) and move inward in the shrinking process of magnetosphere. the large shrinkage of magne-tosphere indicates that the near-Earth magnetotail compression caused by the strong solar wind dynamic pressure is much larger than its thickening caused by the southward component of the IMF, and the locations of magnetospheric regions with different plasmas vary remarkably with the variation of the solar wind dynamic pressure.

关键词： solar wind dynamic pressure shrinkage of magnetosphere storm sudden commencement substorm

the power of a healthy lifestyle for cancer prevention:the example of colorectal cancer

在线全文

学校读者我要写书评

暂无评论

Cancer Biology & Medicine 2022年第11期19卷 1586-1597页

作者： Xuechen Chen Jie Ding Hengjing Li Prudence r.carr Michael Hoffmeister Hermann Brenner Division of Clinical Epidemiology and Aging research German Cancer Research Center(DKFZ)Heidelberg 69120Germany Medical Faculty Heidelberg Heidelberg UniversityHeidelberg 69120Germany School of Public Health and Preventive MedicineMonash UniversityMelbourneVIC 3004Australia German Cancer Consortium(DKtK) German Cancer Research Center(DKFZ)Heidelberg 69120Germany Division of Preventive Oncology German Cancer Research Center(DKFZ)and National Center forTumorDiseases(NCT)Heidelberg 69120Germany

Objective:We aimed to directly compare the estimated effects of adherence to a healthy lifestyle with those of risk predisposition according to known genetic variants affecting colorectal cancer(CrC)risk,to support effective risk communication for cancer ***:A healthy lifestyle score(HLS)was derived from 5 lifestyle factors:smoking,alcohol consumption,diet,physical activity,and body *** association of lifestyle and polygenic risk score(PrS)(based on 140 CrC-associated risk loci)with CrC risk was assessed with multiple logistic regression and compared through the genetic risk equivalent(GrE),a novel approach providing an estimate of the effects of adherence to a healthy lifestyle in terms of percentile differences in ***:A higher HLS was associated with lower CrC risk(4,844 cases,3,964 controls).those adhering to all 5 healthy lifestyle factors had a 62%(95%CI 54%-68%)lower CrC risk than those adhering to≤2 healthy lifestyle *** estimated effect of adherence to all 5 compared with≤2 healthy lifestyle factors was as strong as the effect of having a 79 percentile(GrE 79,95%CI 61-97)lower *** association between a healthy lifestyle and CrC risk was independent of PrS level but was particularly pronounced among those with a family history of CrC in≥1 first-degree relative(P-interaction=0.0013).Conclusions:A healthy lifestyle was strongly inversely associated with CrC *** large GrE indicated that CrC risk determined by polygenic risk may be offset to a substantial extent by adherence to a healthy lifestyle.

关键词： Colorectal cancer healthy lifestyle score polygenic risk score family history genetic risk equivalent

Macroscopic superposition states of ultracold bosons in a double-well potential

在线全文

学校读者我要写书评

暂无评论

Frontiers of physics 2012年第1期7卷 131-145页

作者： M.A.Garcia-March D.r.Dounas-Frazer Lincoln D.carr Department of Physics Colorado School of MinesGoldenCO80401USA Department of Physics University College CorkCorkIreland Department of Physics University of CaliforniaBerkeleyCA94720USA Universitat Heidelberg Physikalisches InstitutPhilosophenweg 12D-69120HeidelbergGermany

We present a thorough description of the physical regimes for ultracold bosons in double wells, with special attention paid to macroscopic superpositions （MSs）. We use a generalization of the Lipkin-Meshkov-Glick Hamiltonian of up to eight single particle modes to study these MSs, solving the Hamiltonian with a combination of numerical exact diagonalization and high-order perturbation theory. the MS is between left and right potential wells; the extreme case with all atoms simulta- neously located in both wells and in only two modes is the famous NOON state, but our approach encompasses much more general MSs. Use of more single particle modes brings dimensionality into the problem, allows us to set hard limits on the use of the original two-mode LMG model com- monly treated in the literature, and also introduces a mixed Josephson-Fock regime. Higher modes introduce angular degrees of freedom and MS states with different angular properties.

关键词： macroscopic superposition states ultracold bosons in double-well potentials

Near-Earth bursty bulk flows and AE index

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Science China(technological Sciences) 2008年第10期51卷 1704-1712页

作者： W BAUMJOHANN M. W. DUNLOP C. carr H. rME Space research Institute Austrian Academy of Sciences Graz Austria Space Sciences Division Rutherford Appleton Laboratory Chilton Didcot UK Imperial College London United Kingdom Centre d'Etude Spatiale des rayonnements Toulouse France

With the 4-s resolution data of the magnetometer and the ion plasma analyzer on tC-1 from June to November of each year during the period of 2004―2006, we statistically analyzed the occurrence rate of both convective and field-aligned bursty flows (FABFs). A near-Earth bursty bulk flow (NEBBF) occurred during both the quiet time and substorm process. In general, the magnetic field and the plasma density began oscillating with the appearance of the NEBBF associated with a distinct increase of the AE index. the increase of AE index during the NEBBF was more than 100 nt in both quiet time and substorm process. the statistical analysis indicated that the occurrence rates of the FABFs were nearly the same in the dif-ferent stages of the AE index, but the occurrence rate of the NEBBFs was much higher in the growth stage of the AE index, indicating that the NEBBFs were di-rectly related to the growth and expansion phases of the substorm. the observa-tions suggested that the quite large number of BBFs from the mid magnetotail could enter into the near-Earth tail and play important role in triggering the sub-storm onset.

关键词： BBF near-Earth AE index substorm onset

Dynamic expression of Slit1–3 and robo1–2 in the mouse peripheral nervous system after injury

在线全文

学校读者我要写书评

暂无评论

Neural regeneration research 2020年第5期15卷 948-958页

作者： Bing Chen Lauren carr Xin-Peng Dun Department of Neurology The Affiliated Huaian No.1 People’s Hospital of Nanjing Medical UniversityHuai’anJiangsu ProvinceChina Plymouth University Peninsula Schools of Medicine and Dentistry PlymouthUK the Co-innovation Center of Neuroregeneration Nantong UniversityNantongJiangsu ProvinceChina

the Slit family of axon guidance cues act as repulsive molecules for precise axon pathfinding and neuronal migration during nervous system development through interactions with specific robo *** we previously reported that Slit1–3 and their receptors robo1 and robo2 are highly expressed in the adult mouse peripheral nervous system,how this expression changes after injury has not been well ***,we constructed a peripheral nerve injury mouse model by transecting the right sciatic *** 14 days after injury,quantitative real-time polymerase chain reaction was used to detect mrNA expression of Slit1–3 and robo1–2 in L4–5 spinal cord and dorsal root ganglia,as well as the sciatic *** analysis was performed to examine Slit1–3,robo1–2,neurofilament heavy chain,F4/80,and vimentin in L4–5 spinal cord,L4 dorsal root ganglia,and the sciatic ***-expression of Slit1–3 and robo1–2 in L4 dorsal root ganglia was detected by in situ *** addition,Slit1–3 and robo1–2 protein expression in L4–5 spinal cord,L4 dorsal root ganglia,and sciatic nerve were detected by western blot *** results showed no significant changes of Slit1–3 or robo1–2 mrNA expression in the spinal cord within 14 days after *** the dorsal root ganglion,Slit1–3 and robo1–2 mrNA expression were initially downregulated within 4 days after injury;however,robo1–2 mrNA expression returned to the control level,while Slit1–3 mrNA expression remained upregulated during regeneration from 4–14 days after *** the sciatic nerve,Slit1–3 and their receptors robo1–2 were all expressed in the proximal nerve stump;however,Slit1,Slit2,and robo2 were barely detectable in the nerve bridge and distal nerve stump within 14 days after ***3 was highly ex-pressed in macrophages surrounding the nerve bridge and slightly downregulated in the distal nerve stump within 14 days after ***1 was upregulated in vimentin-positive cells and migrating S

关键词： dorsal root ganglion nerve regeneration neural regeneration peripheral nerve robo 1 robo 2 sciatic nerve Slit1 Slit2 Slit3

Solar wind transport into magnetosphere caused by magnetic reconnection at high latitude magnetopause during northward IMF: Cluster-DSP conjunction observations

在线全文

学校读者我要写书评

暂无评论

Science China(technological Sciences) 2008年第10期51卷 1677-1684页

作者： M. DUNLOP E. LUCEK H. rME C. M. carr rutherford Appleton Laboratory Didcot United Kingdom Imperial College of Science Technology and Medicine London United Kingdom CESr BP4346 31028 Toulouse Cedex 4 France

An event of Cluster-Double Star conjunction observations of magnetic reconnec-tion at high latitude magnetopause nightside of both cusps and solar wind trans-port into magnetosphere caused by such reconnection process has been investi-gated. During northward IMF, Cluster/SC1 observed accelerated flows and ion heating associated with magnetic reconnection at high latitude magnetopause nightside of southern cusp. And Double Star observed cold dense solar wind plasma transported into dayside magnetosphere. the analysis on such conjunction observations shows that: (1) during northward IMF, magnetic reconnection occurs at high latitude nightside of southern cusp, accompanied by accelerated flows that are observed by Cluster/SC1; (2) the direction of the accelerated flows, with its sunward component Vx, dawnward component Vy, northward component Vz, is quite consistent with the theoretical anticipation under the condition of northward IMF with dawnward component By; (3) reconnection can heat plasma more in par-allel direction than in perpendicular direction, to a level of about 4 keV; (4) with reconnection taking place at high latitude magnetopause nightside of the southern cusp, tC-1 observed cold and dense plasma transported into magnetosphere; (5) by reconnection at high latitude magnetopause nightside of both cusps, solar wind flux tube can be captured by magnetosphere and pulled into dayside magneto-sphere. this event presents further observational evidence for magnetic reconnec-tion at high latitude magnetopause nightside of both cusps as an important mech-anism of sol-ar w-ind transport into magnetosphere.

关键词： transport process magnetic reconnection solar wind-magnetosphere interactions

Feature-aligned segmentation using correlation clustering

在线全文

学校读者我要写书评

暂无评论

Computational Visual Media 2017年第2期3卷 147-160页

作者： Yixin Zhuang Hang Dou Nathan carr tao Ju National Digital Switching System Engineering & technological research Center Washington University in St. Louis Adobe

We present an algorithm for segmenting a mesh into patches whose boundaries are aligned with prominent ridge and valley lines of the shape. Our key insight is that this problem can be formulated as correlation clustering(CC), a graph partitioning problem originating from the data mining *** formulation lends two unique advantages to our method over existing segmentation methods. First,since CC is non-parametric, our method has few parameters to tune. Second, as CC is governed by edge weights in the graph, our method offers users direct and local control over the segmentation result. Our technical contributions include the construction of the weighted graph on which CC is defined, a strategy for rapidly computing CC on this graph, and an interactive tool for editing the segmentation. Our experiments show that our method produces qualitatively better segmentations than existing methods on a wide range of inputs.

关键词： mesh segmentation correlation clustering(CC) feature lines

review of therapies for intermediate and advanced stage hepatocellular carcinoma, not suitable for curative therapies: a rapidly changing landscape

在线全文

学校读者我要写书评

暂无评论

Hepatoma research 2019年第1期5卷 26-35页

作者： Brian I.carr Liver transplantation Institute Inonu UniversityMalatyaTurkey and Izmir Biomedicine and Genome CenterDokuz Eylul UniversityIzmir 35340Turkey

recent clinical trials and new agents have permitted greater clarity in the choice of effective agents for that majority of patients with hepatocellular carcinoma who have advanced disease at diagnosis and thus cannot be offered potentially curative resection,ablation or liver *** main treatment for these patients remains chemoembolization,although evidence for selective internal radiation therapy(SIrt)with SIr-Spheres or theraphere,is beginning to suggest that the results with this may be comparable with less *** who have failed chemoembolization or SIrt or have metastatic disease at presentation are suitable for the multikinase inhibitor sorafenib(nexavar)or newly-approved lenvatinib(lenvima)as first line *** choice between which of them to use first is not currently *** who have failed sorafenib can be offered a choice of FDA-approved regorafenib(stivarga)or immune checkpoint inhibitor nivolumab(opdivo)as second line *** that considerable percent of patients presenting with macroscopic portal vein thrombosis,the choice appears to be between multikinase inhibitor or SIrt,given the potential toxicity of chemoembolization in this ***,considering the potency of both nivolumab and regorafenib and the pipeline of new agents such as atezolizumab(tecentriq)in current clinical trials,including new immune checkpoint inhibitors,this landscape may change within a couple of years,especially if new evidence arises for the superior effectiveness of combinations of any of these agents over single agents.

关键词： Hepatocellular carcinoma advanced kinase inhibitors immune checkpoint inhibitors transarterial chemoembolization selective internal radiation therapy