نتایج جستجو برای: pears
تعداد نتایج: 1007 فیلتر نتایج به سال:
Freshly harvested early- and mid-season Bartlett pears (Pyrus communis) were treated with ethylene (air plus 10 Pa C(2)H(4)) or air at 5, 10, and 20 degrees C for 24 and 48 h (experiment 1) and at 5 and 10 degrees C for 48, 72, and 96 h and at 20 degrees C for 24 h (experiment 2). Following C(2)H(4) or air treatment at different temperatures and durations, pears were transferred to 20 degrees C...
OBJECTIVE Personalized external aortic root support (PEARS) is a novel surgical approach with the aim of stabilizing the aortic root size and decreasing risk of dissection in Marfan syndrome patients. A bespoke polymer mesh tailored to each patient's individual aorta shape is produced by modeling and then surgically implanted. The aim of this study is to assess the mechanical effects of PEARS o...
‘Granny Smith’ apples (Malus x domestica Borkh) and ‘Beurre d’Anjou’ pears (Pyrus communis L.) were dipped in a 2.5, 5, or 10% stripped corn oil (a-tocopherol B5 mg kg) emulsions, 2000 mg l diphenylamine (DPA), respectively, at harvest and stored in air at 0°C for 8 months. Untreated fruit served as controls. In oil-treated apples and pears, ethylene and a-farnesene production rates were lower ...
Because of the possibility of anonymity and impersonation in social networks, trust plays an important role in these networks. In social networks, trust can have two aspects: trust of users to social network and trust of users to other users. Pear to pear networks, by eliminating the supervisor roles, besides its benefit in decreasing management costs, have problems in trust and security of use...
Browning disorder, which usually occurs post-harvest in pears subjected to long-term storage, can cause browning of the pear flesh and/or core. In 2011, investigators in China found a novel type of brown spot (designated as surface brown spot, SBS) in pre-harvest 'Dangshansuli' pears (Pyrus bretschneideri Rehd.). SBS has a large impact on the exterior quality of the pears. Interestingly, the br...
Male and female codling moths, Cydia pomonella (L.) (Lepidoptera: Tortricidae) responded to fruit-baited traps in orchards. Numbers of codling moths trapped with immature uninfested apples (Malus spp.), immature apples infested with larval codling moth, fresh ripe apples, stored ripe apples, or fresh ripe pears (Pyrus spp.) were signiÞcantly greater than in unbaited traps. Greatest numbers of c...
For a fast and accurate evaluation of the values damaged fragrant pears, prediction method damage degree Korla pears was proposed. To study variation laws damages under different volumes squeezing deformation, partial least squares regression (PLSR), generalised neural network (GRNN) adaptive fuzzy inference system (ANFIS) were chosen to predict establish optimal model. The results demonstrated...
The endogenous and environmental regulation of red colour development in blushed and fully red pears is reviewed. Colour development in pears has an underlying developmental component. Generally, highest anthocyanin concentrations are attained in immature pears and colour tends to fade towards harvest. This is contrary to most other crop species where maximum pigmentation and colour are attaine...
Anthocyanin biosynthesis in various plants is affected by environmental conditions and controlled by the transcription level of the corresponding genes. In pears (Pyrus communis cv. 'Wujiuxiang'), anthocyanin biosynthesis is significantly induced during low temperature storage compared with that at room temperature. We further examined the transcriptional levels of anthocyanin biosynthetic gene...
Simulation Parameter Calibration and Test of Typical Pear Varieties Based on Discrete Element Method
To improve the accuracy of discrete element simulation parameters for mechanized picking and collection pears, study calibrated pears by method combining a physical experiment simulation. Based on intrinsic four kinds (Snow Crisp Huangguan Qiuyue pears), their models were constructed Hertz-Mindlin with bonding model. The between contact material (PVC, EVA foam material) methods free fall collis...
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