签证有变:美国留学敏感专业详细列表


今年美国签证形势整体开始发生转变,敏感专业的审查周期从以前的长达两个月缩短到2~3周,且因专业审查而遭遇申请失败的人数极少。但是,如果申请者所学的专业属于敏感专业,为了能按时到达学校,一定要提早向所在辖区的大使馆或者领事馆申请签证。

美国留学敏感专业详细列表

The State Department maintains a Technical Alert List, also known as the sensitive major list, to guide their evaluation of visa submission.

Sorted by rate.

CRITICAL FIELDS LIST

A. CONVENTIONAL MUNITIONS: Technologies associated with:

----Warheads and other large caliber projectiles

----Reactive armor and warhead defeat systems

----Fusing and arming systems.

----Electronic countermeasures and systems

----New or novel explosives and formulations

----Automated explosive detection methods and equipment

. NUCLEAR TECHNOLOGY: Technologies associated with

production and use of nuclear material for both peaceful and military applications. Included are technologies for:

----Enrichment of fissile material

----Reprocessing irradiated nuclear fuel to recover produced plutonium

----Production of heavy water for moderator material

----Plutonium and tritium handling

Also, certain associated technologies related to nuclear physics and/or nuclear engineering. Includes materials,equipment or technology associated with:

----Power reactors, breeder and production reactors

----Fissile or special nuclear materials

----Uranium enrichment, including gaseous diffusion,centrifuge, aerodynamic, chemical, Electromagnetic Isotopic Separation (EMIS), Laser Isotope Separation (LIS)

----Spent fuel reprocessing, plutonium, mixed oxide nuclear research

Inertial Confinement Fusion (ICF)

----Magnetic confinement fusion

----Laser fusion, high power lasers, plasma,

----Nuclear fuel fabrication including Mixed Oxide (uranium-plutonium) fuels (MOX)

----Heavy water production

----Tritium production and use

----Hardening technology



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