• No results found

Tree Trunk

A preliminary evaluation of vision and laser sensing for tree trunk detection and orchard mapping

A preliminary evaluation of vision and laser sensing for tree trunk detection and orchard mapping

... The platform used in the development of the tree trunk detection algorithm and orchard mapping is a CoroWare Explorer (CoroWare Inc., USA) which is designed to op- erate in outdoor conditions. It has a ...

10

Mathematical Modeling of Thermal Influence from Forest Fire Front on a Coniferous Tree Trunk

Mathematical Modeling of Thermal Influence from Forest Fire Front on a Coniferous Tree Trunk

... Thus, the two-dimensional mathematical model of thermal influence of radiation from forest fire front on coniferous trees developed. Research of heat transfer in layered structure of tree trunk at influence ...

6

Biosorption Isotherms and Kinetics Studies for the Removal of 2,6 Dichlorophenolindophenol Using Palm Tree Trunk (Elaeis guineensis)

Biosorption Isotherms and Kinetics Studies for the Removal of 2,6 Dichlorophenolindophenol Using Palm Tree Trunk (Elaeis guineensis)

... In this work, the potential of natural and pretreated palm tree trunk (PTT) as agents for adsorption of an organic dye, 2,6-dichlorophenolindophenol (2,6-DCPIP) from aqueous solutions was probed. Natural ...

22

Design Of Rigid Board Material From Banana Tree Trunk Fiber

Design Of Rigid Board Material From Banana Tree Trunk Fiber

... Project Sarjana Muda (PSM) or Final Year Project is an academic and scientific research that related with programs at Faculty and compulsory for every final year students as to fulfil the requirements before being ...

24

Control of the Apple Clearwing Moth, Synanthedon myopaeformis, with Tree-Trunk Applications of Reduced-risk Insecticides, Nematodes and Barriers

Control of the Apple Clearwing Moth, Synanthedon myopaeformis, with Tree-Trunk Applications of Reduced-risk Insecticides, Nematodes and Barriers

... on tree-trunk sprays using a handgun with high pressure and high volumes of ...the tree or when insecticides are applied as dilute or low-volume sprays typical of air-blast spray techniques used ...

15

Creation of density distribution charts in the cross and axial section of a tree trunk – Short Communication

Creation of density distribution charts in the cross and axial section of a tree trunk – Short Communication

... ABSTRACT: The purpose of this paper is to develop a method of constructing density distribution charts in roundwood log based on the density values obtained with a resistograph. The problem of improving the performance ...

9

Nondestructive measurement of cross-sectional shape of a tree trunk

Nondestructive measurement of cross-sectional shape of a tree trunk

... After establishing the gauge points on the perimeter of a tree trunk in the horizontal plane (points A–E in Fig. 1), the distance from point A to each gauge point and the distance between adjacent points ...

6

Trunk detection based on laser radar and vision data fusion

Trunk detection based on laser radar and vision data fusion

... In fact, data fusion between a laser scanner and a vision camera exist certain difficulties due to the different view of field, resolution, frequency and data format. Meanwhile, there are some uncertainties such as false ...

7

Insecticide Application Tactics to Suppress Population of Drosicha Mangiferae (Green)

Insecticide Application Tactics to Suppress Population of Drosicha Mangiferae (Green)

... insecticidal threat to beneficial insects and non- insects as well. Tandon (1980) mentioned that first-instar nymphs of the mango pest Drosicha mangiferae (Green) emerged from soil and approached the mango trees by ...

15

1.	Lilis Supratman, Lisdar Idwan Sudirman and Okky Setyawati Dharmaputra

1. Lilis Supratman, Lisdar Idwan Sudirman and Okky Setyawati Dharmaputra

... The objective of this research was to investigate the population of Lobaria in Cibodas Botanical Garden, Indonesia.The mapping of Lobaria was conductedon 3724 trees through exploration method and the samples were ...

8

Modeling Pine and Birch Whole Tree Drying in Bunches in the Cutting Area

Modeling Pine and Birch Whole Tree Drying in Bunches in the Cutting Area

... Natural drying is practiced to improve the quality of fuel wood. The purpose of this study is to obtain the mathematical model of natural drying of whole trees stacked in bunches in the cutting area. To do this, an ...

7

Wolfberry tree dual-model detection method and orchard target-oriented fertilization system based on photoelectric sensors

Wolfberry tree dual-model detection method and orchard target-oriented fertilization system based on photoelectric sensors

... the tree trunks (Figure 3a). When the fertilizer applicator passed by a tree, the trunk or the small low-hanging canes would trigger the photoelectric ...the trunk diameters of wolfberry trees ...

9

The use of ground penetrating radar and microwave tomography for the detection of decay and cavities in tree trunks

The use of ground penetrating radar and microwave tomography for the detection of decay and cavities in tree trunks

... Keywords: tree health monitoring; tree trunk decay and cavity detection; ground penetrating radar 35.. (GPR); microwave tomography; FDTD simulations 36.[r] ...

18

Mathematical simulation of heat transfer at coniferous tree ignition by cloud-to-ground lightning discharge

Mathematical simulation of heat transfer at coniferous tree ignition by cloud-to-ground lightning discharge

... in tree trunk of coniferous tree, for example, ...of trunk penetrated by such transport channels, is a good conductor of an electric ...of trunk of resinous coniferous tree has ...

6

Observed responses of captive stoats (Mustela erminea) to nest boxes and metal collars used to protect kaka (Nestor meridionalis) nest cavities

Observed responses of captive stoats (Mustela erminea) to nest boxes and metal collars used to protect kaka (Nestor meridionalis) nest cavities

... Given the failure of the collar to prevent access on one occasion, some doubt about their effectiveness is justified. Such concerns should, however, be tempered by knowledge of faults in the way the collar was set up ...

8

Vol 62, No 1 (2019)

Vol 62, No 1 (2019)

... the tree trunk compared to option B, as shown in Table ...the trunk. We did not find a direct connection between tree diameter and bark damage in this case ...

6

Invertebrate Fauna of 4 Tree Species in Orongorongo Valley, New Zealand, as Revealed by Trunk Traps

Invertebrate Fauna of 4 Tree Species in Orongorongo Valley, New Zealand, as Revealed by Trunk Traps

... Strips of foam padding on the rear of the collecting tray sealed it against the tree trunk and the cover (Fig. 2). The cover for up-traps was made of the other half of the plastic ring dish whose base and ...

15

Development of Automated Coconut Harvester Prototype

Development of Automated Coconut Harvester Prototype

... The tree climbing device for climbing up trees and for maintenance of trees having trunks which do not branch out but rather have a single stem, such as palm or coconut ...Safety tree climbing device for ...

7

REALIZED TRANSITIONS TO ISSUE OF SCIENTIFIC PRODUCTION IN FORESTRY OF JAPAN AND FINLAND

REALIZED TRANSITIONS TO ISSUE OF SCIENTIFIC PRODUCTION IN FORESTRY OF JAPAN AND FINLAND

... a tree trunk, 2) timber – longitudinal parts timber, 3) plates, which use wood fraction of wood substance in the form of wood particles, fl ake (re- crushed chips), and (or) chips (including chips and as ...

9

Mathematical simulation of heat transfer at deciduous tree ignition by cloud-to-ground lightning discharge

Mathematical simulation of heat transfer at deciduous tree ignition by cloud-to-ground lightning discharge

... wood trunk; – heat transfer factor; J – current; U – voltage; Q – thermal effect of moisture evaporation; r – coordinate; t – ...of tree trunk, an environment and to parameters during initial moment ...

6

Show all 8952 documents...

Related subjects