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Palm

Palm的相关文献在1993年到2022年内共计739篇,主要集中在自动化技术、计算机技术、无线电电子学、电信技术、肿瘤学 等领域,其中期刊论文730篇、会议论文2篇、专利文献7篇;相关期刊242种,包括演艺科技、电声技术、通信技术等; 相关会议2种,包括NCIS2002第十二届全国信息存储学术会议、中国计算机学会网络与数据通信学术会议等;Palm的相关文献由653位作者贡献,包括张宏达、MTG、vapour等。

Palm—发文量

期刊论文>

论文:730 占比:98.78%

会议论文>

论文:2 占比:0.27%

专利文献>

论文:7 占比:0.95%

总计:739篇

Palm—发文趋势图

Palm

-研究学者

  • 张宏达
  • MTG
  • vapour
  • 丛汲泉
  • 余文
  • 叶炳昌
  • 孟凡颖
  • 尚晓阳
  • 屋厘头
  • 张永革
  • 期刊论文
  • 会议论文
  • 专利文献

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    • Yuan Yanan
    • 摘要: The core problem with the palm oil industry is an acute contradiction between development and the environment Palm oil may be the most controversial but ubiquitous ingredient in the world. Globally, billions of people consume palm oil daily.
    • Ai Song; Jia Liu; Shui-Qing Liang; Truong Van Do; Hung Ba Nguyen; Wei-Yu-Dong Deng; Lin-Bo Jia; Cedric Del Rio; Gaurav Srivastava; Zhuo Feng; Zhe-Kun Zhou; Jian Huang; Tao Su
    • 摘要: Recent paleobotanical investigations in Vietnam provide a good opportunity to improve our understanding of the biodiversity and paleoclimatic conditions in the geological past of Southeast Asia.Palms(Arecaceae)are a diverse family of typical thermophilous plants with a relatively low tolerance for freezing.In this study,we describe well-preserved fossil palm leaves from the Oligocene Dong Ho Formation of Hoanh Bo Basin,northern Vietnam.Characters of the fossil leaves,such as a fan-shaped costapalmate lamina,an unarmed petiole,a costa slightly enlarged at the base that then tapers distally into the blade,and well-preserved amphistomatic leaves with cuticles,suggest that they represent a new fossil species,which we herein designate Sabalites colaniae A.Song,T.Su,T.V.Do et Z.K.Zhou sp.nov.Together with other paleontological and palaeoclimatic evidence,we conclude that a warm climate prevailed in northern Vietnam and nearby areas during the Oligocene.
    • Gerardo Montelongo-Ruiz; Yolanda del Rocio Moreno-Ramirez; Maria Cruz Juarez-Aragon; NohemiNino-Garcia; Reyna Ivonne Torres-Acosta; Torres-Castillo Jorge Ariel
    • 摘要: This work aims to determine the phytochemical characterization of the pericarp of Chamaedorea radicalis Mart.fruit as a non-timber product with potential to obtain phytochemicals with potential applications in the industry.Fruit from C.radicalis were grouped in four ripening stages named as S1,S2,S3 and S4,according to maturity;S1 the most unripe stage and S4 the completely ripe stage.Determinations of total phenolic compounds,free radical scavenging activities and total flavonoid contents using spectrophotometric methods were done.Also,the tentative identification of phytochemicals during fruit ripening was done using UPLC-MS-MS.Total phenolic compound(TPC)content ranged from 7.24 to 12.53 mg gallic acid equivalents per gram of fresh weight(mg GAE/g FW).Total flavonoids(TF)contents ranged from 0.163 to 0.23 mg of quercetin equivalents per g FW(mg QE/g FW).Free radical scavenging activity against DPPH and ABTS radicals varied from 40.80 to 53.68 and from 22.29 to 37.76 mmol Trolox equivalents g FW(mmol TE/g FW),respectively.Antioxidant assay in vitro by FRAP(ferric reducing antioxidant power)method showed that S3 was the highest level with antioxidant power while S4 was the lowest with Red ripeness stage showed the lowest contents for all determinations.Mass spectrometry allowed detection of 26 compounds,including phenolics,alkaloids and saponins.Afzelin,Kaempferol 3-neohesperidoside and the four saponins identified were present in all ripeness stages.Preliminary phytochemical identification and the spectrophotometric determinations showed that the pericarp of C.radicalis presented antioxidants and compounds related to alkaloids,phenolics and saponins.The presence and abundance of each phytochemical regarding each ripeness stage should be considered.
    • Drake Bennett1; Julie Verhage1; Ulysses Ortega(摄影)1; 汪泽(译)1
    • 摘要: 1999年底,年轻的计算机科学家马克斯·列夫琴(Max Levchin)开始接到一些陌生人的电子邮件,问及他在网上发布的一个测试样本,那个样本是用来说明一个应用程序的运行原理。他参与创建的这个应用程序是一个加密支付平台,针对的是当时最先进的移动设备Palm Pilot:两名用户同意进行交易,付款方在自己的设备上输入信用卡号,在双方的Palm Pilot都连入各自主人电脑的情况下,数额正确的钱款就会从一方的账户扣减,计入另一方的账户。
    • Michael James Platts; Yuen Yoong Leong
    • 摘要: The current palm oil harvesting process removes the whole fruit bunch from the palm with most of the fruit unripe, and takes the whole fruit bunch from the plantation to a processing mill. There are two consequences. This robs the symbiotic palm/soil eco-system of important nutrients and steadily reduces soil fertility. Poor soil fertility is now the limit to palm oil production in peninsular Malaysia despite much use of expensive fertiliser, and weak palms in unhealthy soil are prone to the fungus Ganoderma. Secondly, it takes much energy to remove the fruit from the bunch and the quantity and quality of the oil is less than that of ripe fruit. All this is because ripe fruit—which naturally becomes loose—has been defined as “a problem” in harvesting. This paper proposes covering the fruit bunch in a mesh sack whilst ripening, which prevents ripe fruit naturally from becoming loose being a problem and transforms the whole harvesting process. This allows efficient fruit separation and fruit pressing to be done at the foot of the palm tree with only the oil being removed from the plantation, both simplifying and improving the harvesting process and maintaining the organic fertility cycle, adding value in every respect.
    • 摘要: Palm Paper开始在英国King’s Lynn建设废纸分拣新工厂,该厂位于其已建成的新闻纸厂附近。该新闻纸厂目前拥有一台7号纸机,纸机幅宽10.63米,车速2000米/分钟,产能40万吨。正在新建的废纸分拣厂将实现高度自动化,可以帮助纸厂处理造纸所需原材料,为新闻纸厂服务,将收集的混合废纸进行分拣后用于生产新闻纸和杂志纸,其他分拣后的卡纸和瓦楞纸板等可以供应英国以及欧洲的其他造纸企业。
    • Sujjat Al Azad; Foo Siao Chin; Mohammad Tamrin Bin Mohamad Lal
    • 摘要: Sustainable use of palm oil mill effluent (POME) has been the major focus in the recent development in palm oil industry due to the fact that environmental issue brought by POME. The purpose of this study was to determine the optimum incubation period of purple non-sulphur bacterium (PNSB) in reduction of chemical oxygen demand (COD), total nitrogen (TN) and total phosphorus (TP) in settled POME and to determine the dry cell weight, TN, TP and cell yield of PNSB. Pure isolate of Rhodobacter sphaeroides strain UMSFW1 was cultured in settled POME under anaerobic condition at 2500 lux illumination on light intensity at a temperature of 30°C ± 2°C for 144-h. Parameters such as COD (mg/L), dry cell biomass (g/L), TP (mg/L) and TN (mg/L) in settled POME and bacterial cells were analyzed. A total reduction of TN (43.9%) in settled POME and a total increase of TN (43.2%) in bacterial cell were recorded at the end of experiment. At the same time the reduction of 51.5% chemical oxygen demand was determined from the POME. The highest dry cell weight of 2.44 g/L with cell yield 0.39 (mg/cell/mg COD) was achieved at the end of experiment. A total 24.7% of TP reduction in settled POME was achieved in 144-h culture, but while a maximum 10% of TP in bacterial cell was achieved in 48-h culture. This study shows that PNSB Rhodobacter sphaeroides strain UMSFW1 grows well by using settled POME as substrate and is capable to remove TN in the settled POME and assimilate into bacterial biomass. This study could provide us a further insight in the nutrient removal and COD removal in the bioremediation process by bacterium Rhodobacter sphaeroides strain UMSFW1.
    • Vincent Nwoye Okafor; Ikechukwu Abuchi Nnanwube; John Ifeanyi Obibuenyi; Okechukwu Dominic Onukwuli; Regina Obiageli Ajemba
    • 摘要: The effectiveness of Ibusa kaolinite as an adsorbent in removing pigments from palm oil has been investigated in this study. Ibusa kaolinite was prepared as an adsorbent by treating it with hydrochloric acid. The surface area of the clay was found to increase with increase in acid dosage up to a maximum and then de-creased while its cation exchange capacity decreased with increase in acid dosage. The activated clay was used as an adsorbent for the removal of pigments from palm oil. The bleaching process was investigated by varying the clay dosage, acid concentration and temperature. The highest removal of pigments was recorded at 7 M HCl concentration, 4 g clay dosage and 100°C temperature, and about 97.4% pigments were removed in 80 minutes. Four isotherm models, three kinetic models, and the intra-particle diffusion model were applied to fit the experimental data. It was found that the equilibrium data were best represented by the Temkin isotherm model. The experimental data fitted well the pseudo-second-order kinetic model. Diffusion studies indicated that in-tra-particle diffusion is not the sole rate-controlling factor. The bleaching pro-cess was found to be spontaneous and endothermic, with increasing random-ness of adsorbed species.
    • Alfred Homère Ngandam Mfondoum; Roland Bruno Ngouyamsa Mfondoum; Pauline Ngùet Wokwenmendam; Paul Gérard Gbetkom; Marthe Ntengo
    • 摘要: Oil Palm (Elaeis guineensis Jacq.) has recorded a boom production the last decades and its main productive zone is inside the tropics that meet the best biophysical conditions. Investors as well as geospatial practitioners are increasingly interested on the best growing and harvesting conditions. So said, the aim of this paper is to select the best oil palm planting site through the best methods combination. The study area is the district of Njimom located in the west-Cameroon, transitional between the equatorial and the climatic zones. In the same GIS environment, the Weighted Linear Combination (WLC) and Fuzzy Analytic Hierarchy Process (FAHP) respectively highlight the subtle differences between capability and suitability, while the Utility Function (UF) helps to assess the consideration of sustainability aspects. The first results consist in eight layers representing natural conditions, that is rainfall, temperatures, sunshine, slope, elevation, soil richness, soil moisture and forest cover, recoded in six classes ranked from 5 to 0 according to the FAO standardised scale. They are crossed using the straightforward method of WLC to give the “Capability layer”. The second results consist in three layers related to the social-economical constraints for production, as built-up area, distance to road and distance to rivers. These layers are recoded in binary with 1 and 0, they are weighted by the FAHP priority vector and membership approach to give the “suitability layer”. Then, the number of occurrences of each aspect of the sustainability is counted in each of the two preceding processes to perform the UF. The resulting value, that is 0.542 for the capability process and 0.315 for the suitability process, serves to weight their respective layers, and their sum gives the final map with the best oil palm site planting in the northern part of the study area, on about 34,950 ha, representing 44.8% of Njimom district.
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