小重量持续牵引缓解神经根型颈椎病夜间疼痛所致睡眠障碍效果观察

目的:探讨夜间小重量持续牵引对神经根型颈椎病夜间疼痛的应用效果。方法:选择100例具有神经根型颈椎病的患者分为2组,其中治疗组50例进行颈椎优值牵引、中药熏蒸和夜间小重量持续牵引,对照组50例只进行颈椎优值牵引、中药熏蒸,睡前加服双氯芬酸钠缓释胶囊,2周为1个疗程。治疗过程中,通过疼痛视觉模拟量表以及匹兹堡睡眠质量指数评价患者颈部及上肢疼痛和患者睡眠质量。同时分别统计2组患者的平均住院日。结果:治疗1个疗程后,治疗组的颈部及上肢疼痛改善情况优于对照组,治疗组平均住院日少于对照组,治疗后睡眠质量指数治疗组亦优于对照组,差异均有统计学意义。结论:夜间小重量持续牵引能够明显减低患者的疼痛评分,改善睡眠质量,疗效显著。

小重量持续牵引缓解神经根型颈椎病夜间疼痛导致睡眠障碍的效果研究

目的:探讨小重量持续牵引缓解神经根型颈椎病夜间疼痛导致睡眠障碍的效果。方法:选取2016年9月至2018年9月陵城区人民医院收治的神经根型颈椎病患者40例作为研究对象,按照双盲法的原则分为对照组与观察组,每组20例。对照组患者实施颈椎优值牵引,观察组患者实施小重量持续牵引,比较2组患者治疗前后的疼痛评分与睡眠障碍评分。结果:比较2组患者治疗前的疼痛评分与睡眠障碍评分发现,组间差异无统计学意义(P> 0. 05)。比较2组患者治疗后的疼痛评分与睡眠障碍评分发现,2组患者在接受治疗之后其各项均得到了有效改善,但相较于对照组,观察组评分降低更显著,2组比较差异有统计学意义(P <0. 05)。结论:在常规治疗神经根型颈椎病患者的过程中加用小重量持续牵引,能够有效改善患者的疼痛程度,同时还能降低其睡眠障碍评分,具有较高的使用价值,值得临床推广使用。

百乐眠胶囊联合小重量持续牵引对神经根型颈椎病患者的焦虑、抑郁情绪及睡眠的影响

目的百乐眠胶囊联合小重量持续牵引治疗神经根型颈椎病患者的疗效及患者的焦虑、抑郁情绪变化。方法采用随机数字表法将我院111例神经根型颈椎病患者分组,两组患者均给予小重量持续牵引治疗,对照组55例增加心理放松干预,观察组56例在对照组基础上增加百乐眠胶囊口服,观察两组患者治疗后焦虑(SAS)、抑郁情绪(SDS)、疼痛(VAS)、睡眠障碍(PSQI)、颈部残障指数(NDI)评分变化,并对比临床疗效。结果观察组治疗后SAS、SDS、VAS、PSQI及NDI评分均低于对照组,总有效率高于对照组(P<0.05)。结论百乐眠胶囊联合小重量持续牵引能够有效改善神经根型颈椎病伴睡眠障碍患者睡眠质量,减轻疼痛,消除负性情绪及症状体征,促进颈部功能恢复。

幼龄贵州小型猪体重与各脏器重量之间关系的回归分析

目的:测定幼龄贵州小型猪脏器重量、脏器系数的生物学特性指标,对体重与各脏器重量之间的关系进行了回归分析,并计算出相应的直线回归方程。方法:选用初生和一月龄贵州小型猪各20只,雌雄各半,分别测定体重和10个脏器重量,计算脏器系数,对脏体比与体重作相关性分析。结果:雌雄贵州小型猪初生组体重、肝重量、肾重量、胃系数差异均有极显著性(P<0.01),胃重量、心重量有显著性差异(P<0.05),而一月龄组雌雄体重和脏器重量差异均无显著性(P>0.05),肺系数差异有极显著性(P<0.01);雄性贵州小型猪体重与肝、胆囊、胃、心、肺、肾、脾、肾、脾、肾上腺、睾丸(P<0.01),两样本间有线性关系。雌性贵州小型猪体重与肝、胆囊、胃、心、肺、肾、脾、肾、脾、肾上腺(P<0.01),两样本间有线性关系。卵巢(P>0.05),两样本间无线性关系。结论:本研究填补了国内有关贵州小型猪脏器重量、脏器系数测定的空白,为相关研究打下基础。

Several Classes of Two-weight or Three-weight Linear Codes and Their Applications

Recently,linear codes with a few weights have been extensively studied due to their applications in secret sharing schemes,constant composition codes,strongly regular graphs and so on.In this paper,based on the Weil sums,several classes of two-weight or three-weight linear codes are presented by choosing a proper defining set,and their weight enumerators and complete weight enumerators are determined.Furthermore,these codes are proven to be minimal.By puncturing these linear codes,two classes of two-weight projective codes are obtained,and the parameters of the corresponding strongly regular graph are given.This paper generalizes the results of[7].

QTL analysis for some quantitative traits in bread wheat

Quantitative trait loci (QTL) analysis was conducted in bread wheat for 14 important traits utilizing data from four different mapping populations involving different approaches of QTL analysis. Analysis for grain protein content (GPC) sug- gested that the major part of genetic variation for this trait is due to environmental interactions. In contrast, pre-harvest sprouting tolerance (PHST) was controlled mainly by main effect QTL (M-QTL) with very little genetic variation due to environmental interactions; a major QTL for PHST was detected on chromosome arm 3AL. For grain weight, one QTL each was detected on chromosome arms 1AS, 2BS and 7AS. QTL for 4 growth related traits taken together detected by different methods ranged from 37 to 40; nine QTL that were detected by single-locus as well as two-locus analyses were all M-QTL. Similarly, single-locus and two-locus QTL analyses for seven yield and yield contributing traits in two populations respectively allowed detection of 25 and 50 QTL by composite interval mapping (CIM), 16 and 25 QTL by multiple-trait composite interval mapping (MCIM) and 38 and 37 QTL by two-locus analyses. These studies should prove useful in QTL cloning and wheat improvement through marker aided selection.

Impact of inflammatory bowel disease activity and thiopurine therapy on birth weight: A meta-analysis

AIM To investigate the effect of disease activity or thiopurine use on low birth weight and small for gestational age in women with inflammatory bowel disease(IBD).METHODS Selection criteria included all relevant articles on the effect of disease activity or thiopurine use on the risk of low birth weight(LBW) or small for gestational age(SGA) among pregnant women with IBD. Sixtynine abstracts were identified,35 papers were full text reviewed and,only 14 of them met inclusion criteria. Raw data were extracted to generate the relative risk of LBW or SGA. Quality was assessed using the Newcastle Ottawa Scale.RESULTS This meta-analysis is reported according to PRISMA guidelines. Fourteen studies met inclusion criteria,and nine reported raw data suitable for meta-analysis. We found an increased risk ratio of both SGA and LBW in women with active IBD,when compared with women in remission: 1.3 for SGA(4 studies,95%CI: 1.0-1.6,P = 0.04) and 2.0 for LBW(4 studies,95%CI: 1.5-2.7,P < 0.0001). Women on thiopurines during pregnancy had a higher risk of LBW(RR 1.4,95%CI: 1.1-1.9,P = 0.007) compared with non-treated women,but when adjusted for disease activity there was no significant effect on LBW(RR 1.2,95%CI: 0.6-2.2,P = 0.6). No differences were observed regarding SGA(2 studies; RR 0.9,95%CI: 0.7-1.2,P = 0.5). CONCLUSION Women with active IBD during pregnancy have a higher risk of LBW and SGA in their neonates. This should be considered in treatment decisions during pregnancy.

Strong Consistency of Estimators of a Semiparametric Regression Model under Fixed Design

In this paper, we consider the following semipaxametric regression model under fixed design： yi = xi′β＋g（xi）＋ei. The estimators of β, g（·） and σ^2 axe obtained by using the least squares and usual nonparametric weight function method and their strong consistency is proved under the suitable conditions.

Estimation of As and Cu Contamination in Agricultural Soils Around a Mining Area by Reflectance Spectroscopy:A Case Study

Concentrations of Iron (Fe), As, and Cu in soil samples from the fields near the Baoshan Mine in Hunan Province, China, were analyzed and soil spectral reflectance was measured with an ASD FieldSpec FR spectroradiometer (Analytical Spectral Devices, Inc., USA) under laboratory condition. Partial least square regression (PLSR) models were constructed for predicting soil metal concentrations. The data pre-processing methods, first and second derivatives (FD and SD), baseline correction (BC), standard normal variate (SNV), multiplicative scatter correction (MSC), and continuum removal (CR), were used for the spectral reflectance data pretreatments. Then, the prediction results were evaluated by relative root mean square error (RRMSE) and coefficients of determination (R 2 ). According to the criteria of minimal RRMSE and maximal R 2 , the PLSR models with the FD pretreatment (RRMSE = 0.24, R 2 = 0.61), SNV pretreatment (RRMSE = 0.08, R 2 = 0.78), and BC-pretreatment (RRMSE = 0.20, R 2 = 0.41) were considered as the final models for predicting As, Fe, and Cu, respectively. Wavebands at around 460, 1 400, 1 900, and 2 200 nm were selected as important spectral variables to construct final models. In conclusion, concentrations of heavy metals in contaminated soils could be indirectly assessed by soil spectra according to the correlation between the spectrally featureless components and Fe; therefore, spectral reflectance would be an alternative tool for monitoring soil heavy metals contamination.

Design of mobile sensing system for automatical measurement

Based on mobile devices as a solution for measurement faces interesting challenges, which involve poor human- computer interaction and limited computer capability. In this paper, we present the mobile sensing system （MSS） with func- tions of constructing, configuring and implementing measurement applications. MSS consists of a mobile device and a sensor probe, In the mobile device we install a pocket virtual instrument platform （PVIP）, which has object-oriented software ar- chitecture and can be configured through extensible markup language （XML） files. And these configuration files can be written to the probe. Therefore, the probe can produce the measurement of APP in the mobile device. This infrastructure has been illustrated by a sound signal acquisition task and a flexible force measurement task which are finished with an android smartphone and a probe. These examples suggest that MSS is reconfigurable, highly automatical and flexible.

Incremental Min-Period Retiming Algorithm for FPGA Synthesis Based on Influence of Fan-Outs

An improved linear-time retiming algorithm is proposed to incrementally optimize the clock period, espe cially considering the influence of the in-out degree of the critical combinational elements. Firslly, the critical elements are selected from all the critical combinational elements to retime. Secondly, for the nodes that cannot be performed with such retiming, register sharing is implemented while the path delay is kept unchanged. The incremental algorithm can be applied with the technology mapping to minimize the critical path delay and obtain fewer registers in the re- timed circuit with the near-optimal clock period. Compared with Singh＇s incremental algorithm, experiments show that the proposed algorithm can reduce the flip-flop count by 11% and look-up table （LUT） count by 5% while improv- ing the minimum clock period by 6%. The runtime is also reduced by 9% of the design flow.

A NOVEL INDOOR GEO-LOCATION METHOD USING MIMO ARRAY

In a Multiple-Input Multiple-Output (MIMO) Orthogonal Frequency Division Multiplexing (OFDM) based Wireless Local Area Network (WLAN) system, both Access Points (APs) and Mobile Termi-nals (MTs) are configured with multiple antennas, to make novel indoor geo-location method possible. In this paper, we presented a novel Least Square Support Vector Machine (LS-SVM) based data fusion algorithm to fuse signal strength measurements for indoor geo-location using only a single AP with MIMO arrays. We evaluate our proposed algorithms under indoor environments by MATLAB simulations. Simulation results show that our MIMO-based algorithm is superior to conventional least square algorithm.

Assistant radiotherapeutic effect of Jiaqi Mixture on tumor-bearing mice

Objective:The aim was to study the assistant radiotherapeutic effect of Jiaqi Mixture (JQM) on Ehrlich's ascites carcinoma (EAC) mice.Methods:The EAC-cancer model was made up with Kunming mice.The tumor-bearing mice were treated with whole body exposure (8 Gy) and intragastric administration of JQM,and the changes of tumor weight,the total number of white blood cells (WBC) and immune system were observed.Results:The average tumor weight,WBC,spleen coefficient,the stimulation index (SI) of Con A and LPS and the natural killing (NK) cell activity of mice decreased in some degree after radiotherapy,but the average tumor weight decreased more obviously in radiotherapy + medicine groups (compared with tumor control group,P < 0.05);and the other above indexes were much higher in radiotherapy + medicine groups than those in radiotherapy groups (P < 0.05-0.01).Conclusion:It was suggested that JQM can enhance the effect of radiation therapy and protect the normal immune system caused by radiation therapy.

Selected Experiences with Optimization Tests of the Kaplan-Type Hydraulic Turbines

The paper presents selected experience of the authors resulting from the optimization tests of double-regulated water turbines. Among the methods for measuring the discharge through the turbine used in such tests, particular attention was paid to index methods allowing to measure the relative discharge through the turbine-the index current meter method and the methods based on measuring the differential pressure between two points properly located at the turbine flow system （i.e., Winter-Kennedy method）. These methods contribute to effective reduction of the cost of optimizing the turbine that is extremely important for small hydropower plants regarding installed capacity. The paper presents selected examples of the optimization tests and experiences that arise from these tests.

10W@80K分置式气体轴承斯特林制冷机研究

为了同时满足冷量、重量、振动、寿命以及环境适应性的需求,开展了分置式气体轴承斯特林制冷机的研发。以气体轴承线性压缩机为驱动源,设计了一款大冷量分置式气体轴承斯特林制冷机。优选了制冷机的设计参数,系统研究了制冷机的运行频率、充气压力、降温时间与制冷量的变化规律,进行了相关实验研究,压缩机输入240Wac,制冷机输出性能指标达到10.2W@80K,验证了制冷机设计的合理性。

Orthogonal Multiple Vector-Valued Wavelet Packets

The multiple vector-valued wavelet packets are defined and investigated. A procedure for constructing the multiple vector-valued wavelet packets is presented. The properties of multiple vector-valued wavelet packets are discussed by using integral transformation and operator theory. Finally, new orthogonal bases of L^2（R, C^s×s） is constructed from the orthogonal multiple vector-valued wavelet packets.

The effects of cues from kingsnakes on the reproductive effort of house mice

It is not clear if rodents express inducible defenses in response to reptilian predators such as snakes. We tested the hypothesis that adult house mice Mus musculus decrease aspects of their reproductive effort upon 1 hour of exposure every 48 hours for a 25-day period to the fecal material and shed skins of a euryphagous ophidian predator, the kingsnake Lampropeltis getula, that had been fed mice. We found no significant differences in the total number of offspring born, the number of pups per litter, and the mean weight of pups in litters born to male and female mice that were exposed to predator cues and those mice that were not exposed to such cues. The lack of an inducible response may be associated with the low cost of an effective defense, or the lack of an effective defense against a generalist snake predator [Current Zoology 59 （1）： 135-141, 2013].

A SURVEY OF SIZES AND WEIGHTS OF BEMISIA TABACI（HOMOPTERA： ALEYRODIDAE）B BIOTYPE LIFE STAGES FROM FIELD GROWN COTTON AND CANTALOUPES

Size and weight measurements were made for all the life stages of Bemisia tabaci (Gennadius) B biotype from field grown cotton ( Gossypium hirsutum L. ) and cantaloupe ( Cucumis melo L., var. cantalupensis )in Phoenix, AZ and Fargo, ND, USA in 2000 and 2001. Nymphal volumes were derived from the measurements.The average nymphal volume increase for settled 1 st to the late 4th instar was exponential. The greatest increase in body volume occurred during development from the 3rd to early 4th instar. Nymphs on cotton leaves were wider,but not longer compared with those on cantaloupe. Ventral and dorsal depth ratios of nymphal bodies from 1st tolate 4th instars from cantaloupe leaves were significantly greater compared with those from cotton leaves. During nymphal development from 1st to 4th instar, the average (from the two host species) ventral body half volume in-creased by nearly 51 times compared with an increase of 28 times for the dorsal body half volume. Adult female and male average lengths, from heads to wing tips, were 1 126 μm and 953 μm, respectively. Average adult fe-male and male weights were 39 and 17 μg, respectively. Average widths, lengths, and weights of eggs from cottonand cantaloupe were, 99 μm, 197 μm, and 0.8 μg, respectively. Average widths, lengths, and weights for exu-viae of non-parasitized nymphs from both cotton and cantaloupe were 492 μm, 673 μm, and 1.20 μg, respective-ly; and widths, lengths, and weights of parasitized nymph exuviae were 452 μm, 665 μm, and 3.62 μg, respec-tively. Both exuviae from non-parasitized and parasitized nymphs from cotton leaves were wider, longer, and heavier than those from cantaloupe leaves.

A quantitative reconstruction of the paleoenviornmental variations of the South Yellow Sea inner shelf based on benthic foraminiferal transfer functions

Transfer functions between the benthic foraminiferal fauna of seventy-one sediment surface-samples retrieved from the South Yellow Sea inner shelf and the environmental factors, including the summer bottom-water salinity(Ss), the summer bottom-water temperature(Ts) and the winter bottom-water temperature(Tw) have been developed utilizing weighted averaging partial least square regression(WA-PLS). Subsequently, the transfer functions have been applied to a late Holocene piston core SY01 from the South Yellow Sea inner shelf, established the variation curves of the Ss, Ts, and Tw during the last 3.9 cal. ka. The Ss and Ts showed a nearly synchronous trend to the published stalagmite δ18O curve from the Jiuxian Cave, meaning they could be used as reliable indicators for the summer monsoon. Similarly, the Tw could be used as an indicator for the winter monsoon for its synchronous change to the insensitive grain size variation of the core ZY-2 retrieved from the Central Yellow Sea mud area. These results suggest that transfer functions based on benthic foraminiferal fauna can be a potentially useful tool in palaeoceanographic and palaeoenvironmental research along the Chinese seaboard.