Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Current Leads for Superconducting Magnets of ADS Injector I   In ADS Injector I, there are six superconducting magnets in each cryomodule.
Each superconducting magnet contains a solenoid magnet, a horizontal dipole
corrector (HDC) and a vertical dipole corrector (VDC). Six current leads will
be required for powering the electrical circuits, from room temperature to the
2.1K liquid helium bath. Two leads carry 100A current for the solenoid magnet
while the other four carry 12A for the HDC and the VDC. This paper presents the
principle for current lead optimization, which includes the cooling methods,
the choice of material and structure, and the issues for current lead
integration as well.

16
The categories of this paper are: stat
10
The categories of this paper are: q-bio
15
The categories of this paper are: nucl-ex
26
The categories of this paper are: bayes-an
4
The categories of this paper are: cond-mat
31
The categories of this paper are: ao-sci
8
The categories of this paper are: hep-ex
24
The categories of this paper are: dg-ga
6
The categories of this paper are: astro-ph
9
The categories of this paper are: nlin
12
The categories of this paper are: nucl-th
23
The categories of this paper are: solv-int
34
The categories of this paper are: chem-ph
21
The categories of this paper are: adap-org
22
The categories of this paper are: chao-dyn
18
The categories of this paper are: econ