Determine the bacterial filtration efficiency (BFE) of medical face mask materials by employing a ratio of the upstream bacterial challenge to downstream residual concentration of the tested medical face mask materials. The tester provides certain flow rate of bacterial aerosol.
Qinsun Instruments (Shanghai) Co., Ltd. [2019-06-28 13:54:36 ]
1. Main Technical Parameters 2. Product Description Basic floating equipment includes the float collar and float shoe. The float shoe contains a back-pressure valve that prevents fluids from entering the casing while the pipe is lowered into the hole and prevents cement from flow
Dongyng Lake Petroleum Technology Co.,Ltd [2019-06-28 09:51:22 ]
1. Main Technical Parameters 2. Product Description Reverse circulation junk magnet in petroleum and geology exploration is used for fishing of small fallen objects in the downhole. With some of advantages such as simple structure easy to operate, reliable performance, small size
Dongyng Lake Petroleum Technology Co.,Ltd [2019-06-28 09:44:34 ]
1. Main Technical Parameters 2. Product Description Hydraulic jar (up / down) designed to use accelerator and flow sub from a coiled tubing short heavy string. The jar delay device let the energy stored in the stretched and elongated strong accelerator, when the energy released w
Dongyng Lake Petroleum Technology Co.,Ltd [2019-06-28 09:38:21 ]
hotline fast call jail telephone wall mounted visitor rugged telephone-JWAT135 PRODUCT DESCRIPTION OVERVIEW Product Name automatic dial telephone Product Type JWAT135 Communication system Switchboard Defend Grade IP54 Dimensions 110 × 165 × 45 Material Stainless steel 304 Color
Ningbo Joiwo Explosion-proof Science and Technology Co., Ltd. [2019-06-28 09:28:24 ]
hotline jail telephone wall mounted robust construction rugged telephone-JWAT133 OVERVIEW Product Name automatic dial telephone Product Type JWAT133 Communication system Switchboard Defend Grade IP54 Dimensions 287.5 × 135 × 75 Material Stainless steel 304 Color stainless steel
Ningbo Joiwo Explosion-proof Science and Technology Co., Ltd. [2019-06-28 09:16:51 ]
Canvas Print - City Landmark London Bridge 32x24 Inch (80x60cm) Material 290 gsm High Quality Poly Canvas + Glossy Inkjet Print, Water Proof, UV Coated Frame Gallery Wrapped, stretched on spruce wood bars (Fine wood imported from Finland) Packing 4 Corner Protection + PP Shrin
Seven Wall Arts Inc. [2019-06-27 19:59:21 ]
Canvas Print Vintage Style Retro Picture Paris Sacré-Cœur Basilica 24x36 Inch (60x90cm) Material 290 gsm High Quality Poly Canvas + Glossy Inkjet Print, Water Proof, UV Coated Frame Gallery Wrapped, stretched on spruce wood bars (Fine wood imported from Finland) Packing 4 Co
Seven Wall Arts Inc. [2019-06-27 19:54:30 ]
Canvas Print - Vintage London Big Ben and Red Telephone Booth 24x36 Inch (60x90cm) Material 290 gsm High Quality Poly Canvas + Glossy Inkjet Print, Water Proof, UV Coated Frame Gallery Wrapped, stretched on spruce wood bars (Fine wood imported from Finland) Packing 4 Corner Pr
Seven Wall Arts Inc. [2019-06-27 19:50:03 ]
Canvas Print - Cathédrale Notre Dame de Paris Retro 24x36 Inch (60x90cm) Material 290 gsm High Quality Poly Canvas + Glossy Inkjet Print, Water Proof, UV Coated Frame Gallery Wrapped, stretched on spruce wood bars (Fine wood imported from Finland) Packing 4 Corner Protection +
Seven Wall Arts Inc. [2019-06-27 19:42:18 ]
Canvas Print Ben Heine Digital Circlism -Freddie MercuryCircle Portrait Material 290 gsm High Quality Poly Canvas + Glossy Inkjet Print, Water Proof, UV Coated Frame Gallery Wrapped, stretched on spruce wood bars (Fine wood imported from Finland) Packing 4 Corner Protection + P
Seven Wall Arts Inc. [2019-06-27 19:38:05 ]
This is a biogas project by using glass fused to steel tank as anaerobic digester Utilizing Glass-Fused-to-Steel tank as anaerobic digester is not new and has long been used to digest sewage sludge at wastewater treatment plants to reduce the organics of the sludge before disposi
Center Enamel Co., Ltd [2019-06-27 17:37:26 ]
1. Main Technical Parameters 2. Product Description External hook is a tool which used inside casings or tubings to catch a variety of ropes, lifting bail, short hollow cylinders, short rope slings, etc. such as wirelines, logging steel wire, cable, and so on. In the process of u
Dongyng Lake Petroleum Technology Co.,Ltd [2019-06-27 09:10:50 ]
1. Main Technical Parameters 2. Product Description Drift diameter gauge is a special tool for testing the diameter of downhole tubular. It is mainly used to test whether the diameter of the inner diameter off the casing, tubing, drill pipe, etc. Meets the standard, and is a comm
Dongyng Lake Petroleum Technology Co.,Ltd [2019-06-27 09:02:41 ]
1. Main Technical Parameters 2. Product Description Die collar is a special external fishing tool which is engaged on the outside wall of tubing objects such as oil tubing and drill pipe. It can be used in fishing cylindrical objects without inner bore or stucked inner bore. 3. F
Dongyng Lake Petroleum Technology Co.,Ltd [2019-06-27 08:54:16 ]
Transformer vacuum drying equipment Transformer Maintenance apparatus Dry Air Generator INTRODUCTION It is mainly used for vacuum drying and vacuum oil -injecting for high voltage electrical transformer as 220kV, 500kV, ±800kV, 1000kV. Strong vacuum pumps make working vacuum deg
GOLD [2019-06-26 15:26:06 ]
1. Material Carbon steel,Aluminium,Stainless Steel,. 2. Surface Treatment Zinc Plated,Black Phosphated 3.Size 3/16”,1/4”,5/6”,3/8”,1/2”,5/8”,3/4”,7/8”,1”,1-1/8”. 4. Pin Type Flat Round Head,90º F iush Head,Truss Head,countersunk head. 5.Collar Type Standard,f
CHANGZHOU RUIBO HARDWARE TECHNOLOGY CO., LTD. [2019-06-26 13:09:49 ]
1. Material Carbon steel,Aluminium,Stainless Steel,. 2. Surface Treatment Zinc Plated,Black Phosphated 3.Size 3/16”,1/4”,5/6”,3/8”,1/2”,5/8”,3/4”,7/8”,1”,1-1/8”. 4. Pin Type Flat Round Head,90º F iush Head,Truss Head,countersunk head. 5.Collar Type Standard,f
CHANGZHOU RUIBO HARDWARE TECHNOLOGY CO., LTD. [2019-06-26 13:05:15 ]
The Hiatus, a Japanese rock supergroup with five members formed by Takeshi Hosomi. This is not the first time to use rubber wristbands custom cheap In the past, the bracelets made for rock bands are commonly colorful, such as Nothing\'s Carved in Stone Wristbands Cheap silicone w
Gsjj simplywristbands [2019-06-26 11:57:28 ]
Emergency industrial rugged jail telephone-JWAT137 OVERVIEW Product Name Jail telephone Product Type JWAT137 Communication system Switchboard Defend Grade IP54 Dimensions 287.5 × 135 × 75 Material Stainless steel 304 Color stainless steel qualities FEATURES 1. The phone can for
Ningbo Joiwo Explosion-proof Science and Technology Co., Ltd. [2019-06-26 10:04:54 ]
