Results 111 to 120 of about 200,929 (394)

Spinarc gas tungsten arc torch holder [PDF]

open access: yes, 1970
Semiautomatic welding torch enables operator to control arc length, torch angle, and spring tension when welding small diameter aluminum tubing. Tungsten is preset for the weld to make arc initiation easier and to eliminate searching for the joint ...
Brace, D. F., Crockett, J. L.
core   +1 more source

Morphological variation in atlas and axis of Neotropical spiny rats (Rodentia, Echimyidae)

open access: yesThe Anatomical Record, EarlyView.
Abstract The unique morphologies of the first two cervical vertebrae, the atlas and axis, represent a significant innovation in mammalian evolution. These structures support the weight of the head and enable intricate movements of the head and neck.
Thomas Furtado da Silva Netto   +3 more
wiley   +1 more source

Welding skate with computerized controls [PDF]

open access: yes, 1968
New welding skate concept for automatic TIG welding of contoured or double-contoured parts combines lightweight welding apparatus with electrical circuitry which computes the desired torch angle and positions a torch and cold-wire guide angle ...
Wall, W. A., Jr.
core   +1 more source

‘When joy comes your way, you have to grab it!’ Troubling how queer joy features in the lives of LGBT+ school‐attending youth in South Africa

open access: yesBritish Educational Research Journal, EarlyView.
Abstract Recently, the concept ‘queer joy’ has gained interest in LGBT+ scholarship in the West. I use this scholarship as an entry point to explore how school‐attending LGBT+ youth express joy and how joy serves as a form of resistance against gender and sexuality norms in educational settings.
Dennis Francis
wiley   +1 more source

Definition of a New Level One Test Case Measurements of Equilibrium Radiation from an Inductively Coupled Plasma in the Near-UV to Near-IR Spectral Region for a Titan-Type N2-CH4 Mixture. Preliminary Results [PDF]

open access: yes, 2008
A test case, using a similar methodology and experimental set-up than previous test case TC5-Level 1 is presented in this paper. An inductively coupled plasma torch, working at atmospheric pressure, is used to create N2-CH4 Titan-like plasma (98%N2 - 2 ...
André, Pascal   +4 more
core   +2 more sources

Cold atmospheric plasma‐mediated tumor microenvironment remodeling for cancer treatment

open access: yesBMEMat, EarlyView.
Schematic presentation of CAP‐mediated TME remodeling. This review summarizes recent efforts in cold atmospheric plasma (CAP) application in cancer treatment, highlighting the anticancer potential of CAP, molecular mechanisms, and future perspectives for further improvement and clinical translation.
Israr Khan   +8 more
wiley   +1 more source

Closed circuit TV system automatically guides welding arc [PDF]

open access: yes, 1968
Closed circuit television /CCTV/ system automatically guides a welding torch to position the welding arc accurately along weld seams.
Stephans, D. L., Wall, W. A., Jr.
core   +1 more source

Secure thermal infrared communications using engineered blackbody radiation [PDF]

open access: yes, 2014
The thermal (emitted) infrared frequency bands, from 20–40 THz and 60–100 THz, are best known for applications in thermography. This underused and unregulated part of the spectral range offers opportunities for the development of secure communications ...
Hu, F, Liang, X, Lucyszyn, S, Yan, Y
core   +2 more sources

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