SELECT DISTINCT
    list_ims.name AS NAME
FROM
    measuring,
    list_ims,
    test_name,
    test_variant,
    party_ims
WHERE
    (
        measuring.id_test_variant = test_variant.id AND test_variant.id_test_name = test_name.id
    ) AND(
        measuring.id_party = party_ims.id AND party_ims.id = list_ims.id
    ) AND test_name.name = "Выходное напряжение низкого уровня UOL, В"

name_1
name_2

SELECT DISTINCT
    list_ims.name AS NAME
FROM
    measuring,
    list_ims,
    test_name,
    test_variant,
    party_ims
WHERE
    (
        measuring.id_test_variant = test_variant.id AND test_variant.id_test_name = test_name.id
    ) AND(
        measuring.id_party = party_ims.id AND party_ims.id = list_ims.id
    ) AND test_name.name = "Выходное напряжение высокого уровня UOH, В"

name_1
name_2

SELECT
    list_ims.name AS names_ims
FROM
    measuring,
    list_ims,
    test_name,
    test_variant,
    party_ims
WHERE
    (
        measuring.id_test_variant = test_variant.id AND test_variant.id_test_name = test_name.id
    ) AND(
        measuring.id_party = party_ims.id AND party_ims.id = list_ims.id
    ) AND test_name.name IN(
        "Выходное напряжение низкого уровня UOL, В",
        "Выходное напряжение высокого уровня UOH, В",
        'Ток потребления ICC, мА'
    )
HAVING COUNT(names_ims) = 3

SELECT list_ims.name AS NAME
FROM measuring,
     list_ims,
     test_name,
     test_variant,
     party_ims
WHERE measuring.id_test_variant = test_variant.id
  AND test_variant.id_test_name = test_name.id
  AND measuring.id_party = party_ims.id
  AND party_ims.id = list_ims.id
  AND test_name.name IN ( 'Выходное напряжение низкого уровня UOL, В',
                          'Выходное напряжение высокого уровня UOH, В',
                          'Ток потребления ICC, мА' )
GROUP BY list_ims.name
HAVING 3 = COUNT( /* DISTINCT */ test_name.name)