nuv ntses net,net rau nuv ntses.Nuv ntses tshwj xeeb cov cuab yeej siv khoom siv.Ntau tshaj 99% yog ua los ntawm hluavtaws fibers.Muaj cov nylon 6 los yog hloov kho nylon monofilament, multifilament lossis multi monofilament, thiab fibers xws li polyethylene, polyester, thiab polyvinylidene chloride kuj siv tau.Cov nets siv hauv kev tsim khoom nuv ntses muaj xws li trawl nets, purse seine nets, cam khwb cia nets, tsau nets thiab tawb.Trawls thiab purse seines yog cov khoom hnyav uas siv hauv kev nuv ntses marine.Qhov loj ntawm lub mesh yog 2.5 mus rau 5 cm, txoj kab uas hla ntawm txoj hlua net yog li 2 hli, thiab qhov hnyav ntawm lub vas yog ob peb tons lossis ntau ntau tons.Feem ntau, ob lub nkoj nkoj yog siv los rub thiab caum cov neeg nuv ntses sib cais, lossis siv lub nkoj lub teeb los ntxias cov ntses rau hauv pab pawg thiab ncig nws.Casting nets yog lub teeb-lub luag haujlwm nets rau nuv ntses hauv cov dej ntws thiab pas dej.Qhov loj mesh yog 1 mus rau 3 cm, txoj kab uas hla ntawm txoj hlua net yog li ntawm 0.8 hli, thiab qhov hnyav yog ob peb kilograms.Cov nets ruaj thiab tawb yog cov nets ruaj rau cov kab lis kev cai hauv cov pas dej, cov pas dej lossis cov bays.Qhov loj thiab qhov tshwj xeeb sib txawv raws li cov ntses tau tsa, thiab cov ntses tau khaws cia rau hauv ib qho chaw dej kom tsis txhob khiav tawm.Nuv ntses nets pab ntau lub hom phiaj.
Nrog rau txoj kev loj hlob ntawm kev nuv ntses, cov khoom ntawm kev nuv ntses thiab yos hav zoov tsis yog tsuas yog ntses xwb, tab sis cov cuab yeej ntawm kev nuv ntses kuj nce nrog lub sijhawm.Nuv ntses nets tau muab faib ua gill nets, drag nets (trawl nets), purse seine nets, net building and net laying.
Feem ntau siv nuv ntses nets yog cais raws li:rub nets, drift nets,stick nets.Nws yuav tsum muaj cov pob tshab siab (ib feem ntawm cov nylon mesh) thiab lub zog, kev cuam tshuam zoo, kev ua haujlwm tsis zoo, mesh seem stability thiab softness, thiab tsim nyog elongation ntawm tawg (22% mus rau 25%).Nws yog ua tiav los ntawm monofilament, multifilament twisted xov (nrog knotted net) los yog monofilament warp weaving (raschel, uas belongs rau non-knotted net), ib qho kev kho cua sov (taw nodule), dyeing thiab theem nrab kev kho cua sov (taw mesh loj).Cov ntaub ntawv raw rau kev nuv ntses nets yog 15-36 strands ntawm 210-denier nylon, polyester multifilament thiab ethylene monofilament nrog ib txoj kab uas hla ntawm 0.8-1.2 hli.Weaving txoj kev muaj xws li knotting, twisting thiab warp knitting.
Dab tsi yog qhov tseem ceeb ntawm kev siv nuv ntses?
1. Nuv ntses nets yog cov cuab yeej tsim khoom ntawm cov neeg nuv ntses, uas tuaj yeem siv los ntes ntses, cw thiab crabs hauv qab dej.
2. Cov nets nuv ntses kuj tseem siv tau los ua cov cuab yeej tiv thaiv, xws li kev tiv thaiv shark nets, uas tuaj yeem siv los tiv thaiv cov ntses loj loj xws li sharks.
3. Nuv ntses nets tuaj yeem tsim cov duab kos duab.
Post lub sij hawm: Sep-05-2022