簽證有變:美國留學敏感專業詳細列表

發表:2005-11-05 16:28
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今年美國簽證形勢整體開始發生轉變,敏感專業的審查週期從以前的長達兩個月縮短到2~3週,且因專業審查而遭遇申請失敗的人數極少。但是,如果申請者所學的專業屬於敏感專業,為了能按時到達學校,一定要提早向所在轄區的大使館或者領事館申請簽證。

美國留學敏感專業詳細列表

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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