mlsa-iai-msu-lab/ru_sci_bench_zho_cite_reranking huggingface dataset:
Recursive calibration for a lithium iron phosphate battery for electric vehicles using extended Kalman filtering

In this paper,an efficient model structure composed of a second-order resistance-capacitance network and a simply analytical open circuit voltage versus state of charge(SOC) map is applied to characterize the voltage behavior of a lithium iron phosphate battery for electric vehicles(EVs).As a result,the overpotentials of the battery can be depicted using a second-order circuit network and the model parameterization can be realized under any battery loading profile,without a special characterization experiment.In order to ensure good robustness,extended Kalman filtering is adopted to recursively implement the calibration process.The linearization involved in the calibration algorithm is realized through recurrent derivatives in a recursive form.Validation results show that the recursively calibrated battery model can accurately delineate the battery voltage behavior under two different transient power operating conditions.A comparison with a first-order model indicates that the recursively calibrated second-order model has a comparable accuracy in a major part of the battery SOC range and a better performance when the SOC is relatively low.
2011年美国锂离子电池技术动态

据IHS公司的蓄电池专题报告,由于价格逐渐趋低,以及来自电动和混合动力汽车市场的需求推动,锂离子将成为全球最主要的充电电池技术。预计2015年全球锂离子电池营业收入将从2010年的118亿美元增加到314亿美元,2020年营业收入将增长到537亿美元。本文主要介绍2011年美国锂离子电池技术方面的一些最新动态。
Positive Solutions for the Initial Value Problems of Impulsive Evolution Equations

This paper deals with the existence of e-positive mild solutions(see Definition 1)for the initial value problem of impulsive evolution equation with noncompact semigroup u(t)+ Au(t)= f(t,u(t)),t ∈ [0,+∞),t = tk,u-t≠t_k = Ik(u(tk)),k = 1,2,...,u(0)= x0 in an ordered Banach space E.By using operator semigroup theory and monotonic iterative technique,without any hypothesis on the impulsive functions,an existence result of e-positive mild solutions is obtained under weaker measure of noncompactness condition on nonlinearity of f.Particularly,an existence result without using measure of noncompaceness condition is presented in ordered and weakly sequentially complete Banach spaces,which is very convenient for application.An example is given to illustrate that our results are more valuable.
DNA methylation polymorphism in flue-cured tobacco and candidate markers for tobacco mosaic virus resistance

DNA methylation plays an important role in the epigenetic regulation of gene expression during plant growth,development,and polyploidization.However,there is still no distinct evidence in tobacco regarding the distribution of the methylation pattern and whether it contributes to qualitative characteristics.We studied the levels and patterns of methylation polymorphism at CCGG sites in 48 accessions of allotetraploid flue-cured tobacco,Nicotiana tabacum,using a methylation-sensitive amplified polymorphism(MSAP) technique.The results showed that methylation existed at a high level among tobacco accessions,among which 49.3% sites were methylated and 69.9% allelic sites were polymorphic.A cluster analysis revealed distinct patterns of geography-specific groups.In addition,three polymorphic sites significantly related to tobacco mosaic virus(TMV) resistance were explored.This suggests that tobacco breeders should pay more attention to epigenetic traits.
健康教育对老年糖尿病患者健康知识、态度、行为的影响

目的评价健康教育对糖尿病患者健康知识、态度、行为的影响。方法选取2010年1月至2010年12月在北京市大兴区采育中心卫生院住院的糖尿病病人100例,进行糖尿病健康教育干预,干预前后采用问卷调查、血糖测试,比较患者对糖尿病基本知识的掌握情况、态度及行为改变、血糖的变化。结果对糖尿病患者进行健康教育干预后其掌握糖尿病知识的水平明显提高,态度端正、行为能力增强,空腹血糖及餐后2 h血糖控制优于健康教育干预前(P<0.05)。结论糖尿病健康教育干预能有效提高患者的糖尿病知识,端正态度,提高行为能力,促进患者主动参与糖尿病自我管理,从而使血糖得到有效控制,生活质量得以提高。
Pore-filling Three-dimensionally Ordered Macroporous Polyimide Composite Proton Conducting Membranes

The silica opal templates were prepared from three silica colloids of different diameters of 230 nm, 500 nm and 1.5 mm by a filtration route. The large-scale stable opal template membranes after sintering the deposited SiO_2 opal template can be successfully obtained by optimizing the pH value and NaCl concentration in silica colloidal solutions. The three-dimensionally ordered macroporous(3DOM) polyimide membranes without crack were fabricated by reproducing the structure of silica opal template. We prepared the pore-filling composite proton exchange membranes by filling the 3DOM structure with proton conducting organosilane sol. The result indicates that the composite membranes exhibit higher water uptake than pure filling organosilane gel. The proton conductivity increased with the increasing of pore cell in composite membranes.
Linear and Nonlinear QSPR Models for Predicting Thermal Stabilities of Nitroaromatic Compounds

Quantitative structure-property relationships(QSPRs) have been developed to predict the thermal stability for a set of 22 nitroaromatic compounds by means of the theoretical descriptors derived from electrostatic potentials on molecular surface. Several techniques, including partial least squares regression(PLS), least-squares support vector machine(LSSVM) and Gaussian process(GP) have been utilized to establish the relationships between the structural descriptor and the decomposition enthalpy. The nonlinear LSSVM and GP models have proven to own a better predictive ability than the linear PLS method. Moreover, owing to its ability to handle both linear- and nonlinear-hybrid relationship, GP gives a stronger fitting ability and a better predictive power than LSSVM, and therefore could be well applied to developing QSPR models for the thermal stability of nitroaromatic explosives.
利匹韦林(rilpivrine)

利匹韦林(rilpivrine)是由美国Tibotec公司开发的新型非核苷类逆转录酶抑制剂(non-nucleoside reverse tran-scriptase inhibitor,NNRTI),用于艾滋病的治疗,商品名为Edurant,于2011年5月20日获美国FDA批准上市,具有易合成、抗病毒活性强、口服生物利用度高、安全性好等特点。
醋酸阿比特龙酯(abiraterone acetate)

醋酸阿比特龙酯(abiraterone acetate)是由CentocorOrtho公司开发的口服有效的CYP17酶不可逆抑制剂,2011年4月28日经美国FDA批准上市,与泼尼松联用治疗去势抵抗性前列腺癌(CRPC),其商品名为Zytiga~[1]。醋酸阿比特龙酯的中文化学名称:(3β) -17-(3-吡啶基)-雄甾-5，16-二烯-3-醇醋酸酯; 英文化学名称: (3β) -17-(3-pyridinyl) androsta-5，16-dien-3-ylacetate; 分子式: C_26H_33NO_2; 分子量:391.55;CAS登记号: 154229-18-2。
HPLC法测定火绒草中原儿茶酸、原儿茶醛、绿原酸和咖啡酸

目的建立HPLC法同时测定火绒草中原儿茶酸、原儿茶醛、绿原酸和咖啡酸。方法选用Kromasil 5μm C_(18)(200mm×4.6 mm)色谱柱;流动相为乙腈-0.1%磷酸水溶液,梯度洗脱;检测波长为在线波长。结果原儿茶酸、原儿茶醛、绿原酸和咖啡酸的回收率分别为97.71%、98.26%、97.29%和98.21%;线性范围分别为0.006 25～0.062 5μg、0.007 21～0.072 1μg、0.203 36～2.033 6μg和0.013 08～0.130 8μg(r=0.999 9)。结论本法操作简单,灵敏度高,定量准确可靠,重现性好,可用于火绒草的质量控制。
Efficacy of natural biocide on control of microbial induced corrosion in oil pipelines mediated by Desulfovibrio vulgaris and Desulfovibrio gigas

We compared the efficacy of a natural biocide with four chemical tetrakishydroxymethyl phosphonium sulfonate,benzyl trimethyl ammonium chloride,and formaldehyde,glutaraldehyde,to control microbial induced corrosion in oil pipelines.The efficacy of biocides were monitored against Desulfovibrio vulgaris and Desulfovibrio gigas in experimental pipes by measuring cell counts,H 2 S production,Fe(Ⅱ) production,production of extracellular polymeric substances and structure of biofilm.The treatment with cow urine hadminimum planktonic cell counts of 3×10 2 CFU/mL as well as biofilm cell counts of 9×10 1 CFU/mL as compared with tetrakishydroxyl methyl phosphonium sulfonate,benzyl trimethyl ammonium chloride,formaldehyde and glutaraldehyde.Sulfide production was the lowest with cow urine (0.08 mmol/L),followed by tetrakishydroxymethyl phosphonium sulfonate 0.72 mmol/L.On day 90 of treatment,Fe(Ⅱ) production was also found to be the lowest with cow urine.The scanning electron microscopic studies indicated that the biofilm bacteria were killed by cow urine.These results demonstrate the cow urine mediated control of microbially induced corrosion,and this is indicative of its potential as a viable substitute of toxic biocides.To the best of our knowledge,this seems to be the first report which screens possible biocidal activity by cow urine as compared to the most common biocides which oil industry is currently using.
Bioaccumulation and translocation of cadmium in cole (Brassica campestris L.) and celery (Apium graveolens) grown in the polluted oasis soil,Northwest of China

A pot experiment was conducted to study the bioaccumulation and translocation of cadmium (Cd) in cole (Brassica campestris L.) and celery (Apium graveolens) grown in the Cd-polluted oasis soil,Northwest of China.The results showed that Cd in the unpolluted oasis soil was mainly bound to carbonate fraction (F2) and Fe-Mn oxide fraction (F3).However,marked change of Cd fractions was observed with increasing soil Cd concentrations,in which the concentration of Cd in F1 (exchangeable fraction),F2 and F3 increased significantly (p<0.001 for F1,F2 and F3).The growth of cole and celery could be facilitated by low concentrations of Cd,but inhibited by high concentrations.The correlation analysis between the fraction distribution coefficient of Cd in the soil and Cd concentration accumulated in the two vegetables showed that Cd in F1 in the soil made the greatest contribution on the accumulation of Cd in the two vegetables.The high bio-concentration factor and the translocation factor of Cd in both cole and celery were observed,and Cd had higher accumulation in the edible parts of the two vegetables.Therefore,both cole and celery grown in Cd-polluted oasis soil have higher risk to human health.And the two vegetables are not suitable to be cultivated as vegetables consumed by human in the Cd-polluted oasis soil.
Petroleum hydrocarbon concentrations in eight mollusc species along Tamilnadu coast, Bay of Bengal, India

Eight mollusc species and sediment samples collected from three different stations along Tamilnadu coast, Bay of Bengal, India were analysed for the levels of petroleum hydrocarbons to elucidate the status of the petroleum residues in mollusc meant for human consumption. The concentrations of petroleum hydrocarbons in sediments along Tamilnadu coast varied from 5.04–25.5 μg/g dw (dry weight). High concentration of petroleum hydrocarbons in the sediment of Uppanar estuary (25.5 ± 1.45 μg/g dw) was perhaps land and marine based anthropogenic sources of this region. The petroleum hydrocarbon residues in eight mollusc species collected from Uppanar, Vellar and Coleroon estuaries varied between 2.44–6.04 μg/g ww (wet weight). Although the concentration of petroleum hydrocarbons in sediment of the Uppanar region was markedly higher than the background, the petroleum hydrocarbon residues in mollusc collected from Uppanar estuary did not suggest bioaccumulation. The results signified that industrial growth has affected the aquatic environments and regular monitoring will help to adopt stringent pollution control measures for better management of the aquatic region.
Evaluation of adsorption capacities of humic acids extracted from Algerian soil on polyaniline for application to remove pollutants such as Cd(Ⅱ), Zn(Ⅱ) and Ni(Ⅱ) and characterization with cavity microelectrode

The adsorption capacities of new humic acids isolated from Yakouren forest (YHA) and Sahara (Tamenrasset: THA) soils (Algeria) and commercial humic acid (PFHA) on polyaniline emeraldine base (PEB) were studied at pH 6.6. Also the adsorption of heavy metals such as Cd~(2+), Zn~(2+) and Ni~(2+) on humic acid-polyaniline systems (HA-PEB) was investigated at the same conditions. HA-PEB compounds were characterized by scanning electron microscopy (SEM), infrared spectrometry and cavity microelectrode. In addition, batch adsorption and cavity microelectrode were used in the adsorption study of Cd~(2+), Zn~(2+) and Ni~(2+) on HA-PEB. To develop biocaptors of polluting metals using a cavity microelectrode modified by HA-PEB systems, the adsorption kinetic and adsorption capacity were investigated. The SEM analysis showed that the presence of humic acid affected the PEB surface and caused the formation of a granular morphology. The maximum adsorption capacities (q_(max)) of PFHA, THA and YHA determined by adsorption isotherms were 91.31, 132.1 and 151.0 mg/g, respectively. Batch adsorption results showed that q_(max) of Cd~(2+), Zn~(2+) and Ni~(2+) on HA-PEB followed the order: THA-PEB > YHA-PEB > PFHA-PEB. The voltammograms obtained with HA-PEB modified cavity microelectrode showed the appearance of new redox couples reflecting the adsorption of HA on PEB. Metal-humic acid-polyaniline voltammograms were characterized by appearance of oxidation-reduction couples or reduction wave corresponding to metal. Finally, the result may be exploited to develop a biocaptor based on the cavity microelectrode amended by THA-PEB and YHA-PEB.
Pollution characteristics of organic and elemental carbon in PM_(2.5) in Xiamen,China

Xiamen,located on the southeastern coastal line of China,is undergoing rapid urbanization and industrialization,so its air quality has a trend of degradation.However,studies on level,temporal and spatial changes of fine particles (PM_(.5)) and their carbonaceous fractions are scarce.In this article,abundance,sources,seasonal and spatial variations,distribution of organic carbon (OC) and elemental carbon (EC) in PM_(2.5),were studied at suburban,urban and industrial sites in Xiamen during four season-representative months in 2009-2010.PM_(2.5) samples were collected with middle volume sampler and were analyzed for OC and EC with thermal optical transmittance (TOT) method.Results showed that the annual average PM_(2.5) concentrations were 63.88-74.80 μg/m~3 at three sites.While OC and EC concentrations were in the range of 15.81-19.73 μg/m~3 and 2.74-3.49 μg/m 3,respectively,and clearly presented the summerminima and winter maxima in this study.The carbonaceous aerosol accounted for 42.8%-47.3% of the mass of PM 2.5.The annual average of secondary organic carbon (SOC) concentrations in Xiamen were 9.23-11.36 μg/m~3,accounting for approximately 56% of OC.Strong correlations between OC and EC was found in spring (R~2=0.50) and autumn (R~2=0.73),suggesting that there were similar emission and transport processes for carbonaceous aerosols in these two seasons,while weak correlations were found in summer (R~2=0.33) and winter (R~2=0.41).The OC/EC ratios in PM_(2.5) varied from 2.1 to 8.7 with an annual average of 5.7,indicating that vehicle exhaust,coal smoke and biomass burning were main source apportionments of carbonaceous fractions in Xiamen.
An investigation of roof runoff during rain events at the Royal Military College of Canada and potential discharge to Lake Ontario

The Royal Military College of Canada, located on the north eastern shore of Lake Ontario, possesses an abundance of copper roofs and lacks surface water treatment prior to discharge into Lake Ontario. Rainwater, roof runoff and soil samples were collected and analyzed for copper and other parameters. Copper was consistently detected in runoff samples with average concentrations of 3200 ± 2100 μg/L. Multivariable linear regression analysis for a dependant copper runoff concentration yielded an adjusted R~2 value of 0.611, based on an independent variable model using minimum temperature, maximum temperature, total precipitation, and wind speed. Lake water samples taken in the vicinity of storm water outfalls draining areas with copper roofs ranged from 2.0 to 40 μg/L copper. Such data exceed the 2.0 μg/L Canadian Water Quality Guidelines for the Protection of Aquatic Life as outlined by the Canadian Council of Ministers of the Environment (CCME). Analysis of raw, filtered and digested forms suggested that the majority of copper present in runoff and lake water samples was in a dissolved form. The majority of soils taken in this study displayed copper concentrations below the 63 μg/g CCME residential/parkland land use limits. These findings suggested that ion exchange processes between runoff water and soil do not occur to a sufficient extent to elevate copper levels in soil. It may therefore be concluded that the eventual fate of copper, which is not discharged via storm water outfalls, is lost to the water table and Lake Ontario through the sub-soil.
Temporal and spatial variations of low-molecular-weight organic acids in Dianchi Lake, China

Low-molecular-weight organic acids (LMWOAs) in eutrophic lake water of Dianchi, Southwestern China Plateau were investigated diurnally and vertically using ion chromatography. Two profiles (P1 and P2) were studied due to the difference of hydrochemical features. Lactic, formic, pyruvic and oxalic acid were detected as major components at P1 and P2 which were on average 7.98 and 6.53 μmol/L, respectively, corresponding to their proportions of 2.68% and 2.48% relative to DOC. Pyruvic acid was regarded as the uppermost species at P1 and P2, reaching up to 3.82 and 3.35 μmol/L and accounting for 47.9% and 51.3%, respectively, in individual TOA. Although humus were of biogenetic production at both sites, the significant negative correlation between diurnal variations of TOAs, fluorescence intensity (FI) of protein-like components and humic-like components at P1 indicated LMWOAs were greatly originated from bacterioplankton excretion and degradation. However, correlations between diurnal variations of humic-like FI and physicochemical parameters demonstrated algal origination of LMWOAs at P2. Although content of humus was high, TOA at P2 was 1.45 μmol/L lower than that at P1, due to the co-influence of more intense photo-oxidation and aggregation at P2. Therefore, TOAs exhibited quite opposite diurnal variation trends of increasing-decreasing and decreasing-increasing at P1 and P2, respectively. Except for impact of solar radiation, bacterial decomposition and assimilation rendered shifts of maximal LMWOAs along water column at P1. Covering with massive algae, UV rays penetrated shallower depth that LMWOAs assembled in surface layer water before 18:00 at P2 and represented decreasing profiles.
Ozone sensitivity analysis with the MM5-CMAQ modeling system for Shanghai

Ozone has become one of the most important air pollution issues around the world. This article applied both O_3 /(NOy-NOx) and H_2O_2 /HNO_3 indicators to analyze the ozone sensitivity in urban and rural areas of Shanghai, with implementation of the MM5-CMAQ modeling system in July, 2007. The meteorological parameters were obtained by using the MM5 model. A regional emission inventory with spatial and temporal allocation based on the statistical data has been developed to provide input emission data to the MM5-CMAQ modeling system. Results showed that the ozone concentrations in Shanghai show clear regional differences. The ozone concentration in rural areas was much higher than that in the urban area. Two indicators showed that ozone was more sensitive to VOCs in urban areas, while it tended to be NOx sensitive in rural areas of Shanghai.
~(89)Sr联合外照射治疗骨转移癌大病灶的疗效观察

目的评价放射性核素锶-89(89Sr)治疗配合局部外照射治疗骨转移癌大病灶的疗效,分析单用锶-89治疗、局部外照射治疗及联合治疗的不良反应。方法确诊为骨转移癌伴有大病灶的患者68例,分为3组,单用锶-89治疗(A组)21例,静脉内注射111～148 MBq;局部外照射治疗(B组)19例,采用6MV直线加速器外照射,放疗剂量为DT 3000cGy/10次或4000 cGy/20次,单次为600～1200c Gy;89 Sr治疗+局部外照射治疗(C组)28例,上述两种方法联合治疗。结果治疗后C组骨痛缓解、显像结果改善明显好于A、B组(P<0.05);A、C组新增病灶较B组得到明显控制(P<0.05)。治疗后血液学的毒性反应3组差异无统计学意义(P>0.05)。结论核素89 Sr治疗联合局部外照射对骨转移癌大病灶有较好的止痛作用,对患者有较好骨转移控制效果。
636例典型麻疹住院患者临床特征分析

用Excel数据库对2009-2010年636例典型麻疹住院患者临床特征分析,其临床特征以外地农民工男性为主,成人多于儿童,年龄出现"双向移位"现象,成人临床中毒症状重,并发症多。加强传染源管理,切断传播途径,及时发现易感者并进行免疫接种是麻疹防治的有效措施。
铁冬青茎皮五环三萜类化学成分的研究(Ⅰ)

目的 研究铁冬青Ilex rotunda茎皮的五环三萜类化学成分。方法 采用硅胶柱色谱、凝胶柱色谱和反相硅胶柱色谱等色谱方法对铁冬青茎皮的化学成分进行分离纯化,并根据理化性质和波谱数据鉴定化合物的结构。结果 从铁冬青茎皮甲醇提取物中分离得到8个三萜类化合物,分别为铁冬青酸(1)、具栖冬青苷(2)、苦丁冬青苷H(3)、3-乙酰基熊果酸(4)、苦丁茶冬青苷D(5)、3-O-α-L-阿拉伯糖基-19α-羟基-熊果酸(6)、28-O-β-D-葡萄糖基-齐墩果酸(7)、齐墩果酸(8)。结论 化合物4～7均为首次从该植物中分离得到。
油茶根化学成分的研究

目的 研究山茶科山茶属植物油茶Camellia oleifera根的化学成分。方法 利用硅胶柱色谱法、Sephadex LH-20凝胶柱色谱法、中压柱色谱及半制备高效液相色谱等方法分离纯化;通过核磁共振谱、质谱等光谱数据鉴定化合物结构。结果 从油茶根中分离并鉴定了10个化合物,分别为22α-当归酰基-玉蕊醇A1(1)、21β,22α-二当归酰基-玉蕊醇R_1(2)、21β,22α-二当归酰基-玉蕊皂苷元C(3)、正十五烷酸(4)、邻苯二甲酸二丁酯(5)、间羟基苯甲酸(6)、原儿茶酸(7)、对羟基苯甲酸(8)、β-谷甾醇(9)、β-胡萝卜苷(10)。结论化合物1～6为首次从该属植物中分离得到。
Seed storage behavior of Knema attenuata, an endemic species of Western Ghats, India

We performed desiccation and storage trials to better understand storage behavior of Knema attenuata seeds. Mature seeds with moisture content (MC) of 31% exhibited 73% germination. During the period of desiccation (open lab condition) seeds with MC 23% showed 40% germination. After further drying to MC 21% germination was reduced to 16%. Complete loss in viability resulted when seed moisture was reduced to 18%. The seeds stored at -10°C, 0°C, 10°C and 28±2°C (open lab condition) lost their viability within 10 days. Seeds stored in sealed polythene bags and moist sand retained viability for more days than did seeds stored under all other storage conditions. Sensitivity of seeds to lower temperature and desiccation suggest that the storage behavior of K. attenuata seeds is recalcitrant. Seeds stored in moist conditions can, at best, be stored for a period of two months.
Symbiotic nitrogen fixation in black locust (Robinia pseudoacacia L.) seedlings from four seed sources

We conducted a greenhouse experiment to investigate the role of seed source in growth and symbiotic nitrogen fixation of black locust (Robinia pseudoacacia L). Seeds from different sources were planted in the same environmental conditions and inoculated with a suspension of mixed Rhizobium. We used the modified ~(15)N isotope dilution method to estimate biological nitrogen fixation of Robinia trees. Different Robinia seed sources differed significantly in terms of tissue dry weight (50.6 80.1 g), total N (1.31-2.16 g) and proportion of nitrogen derived from the atmosphere (0-51%). A higher nitrogen fixation rate of Robinia trees was associated with higher dry weight. Moreover, the leaves of Robinia proved to adequately represent the nitrogen fixation capacity of entire plants. Our results confirmed that assessment of seed sources is a useful way to improve the nitrogen fixation capacity and therefore the growth rate of Robinia.
干旱对我国农业的影响及应对措施

随着大气中温室气体含量的升高,我国气候出现变暖变干的总趋势,这种趋势对我国农业生产产生不利的影响。就干旱灾害的致灾成因和特点以及对我国农业生产的危害进行了论述,并提出了相应的对策建议。
河北省农村居民消费需求影响因素分析

在拉动国内消费需求的背景下,结合河北省农村实际情况,从消费市场、消费结构、消费方式等方面分析了河北省农村居民消费现状。同时选取2000—2009年河北省农村居民人均消费支出数据,运用关联分析的方法,分析了河北省农村居民消费结构对消费需求的影响,并根据实证结果提出相应的政策建议,包括优化农民收入结构、拓展农民增收渠道,促进消费结构优化升级、更新消费观念,增大农村财政支出、推动"三农"稳步提高,完善农村社会保障体系、建立农村消费需求的制度保证。
低温真空干燥方法对名优绿茶色泽的影响

为了探索如何减少干燥过程中对形成绿茶良好色泽品质不利的湿热作用、尽可能多地保留茶叶的叶绿素,从而提高名优绿茶的色泽品质,研究了低温真空干燥方法与传统热风干燥方法对名优绿茶色泽的影响。结果表明,低温真空干燥的名优绿茶其干茶色泽翠绿,茶汤绿、明亮,叶底嫩绿、亮、匀,优于传统热风干燥。
南非羊蹄甲的引种栽培研究及其园林应用

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