Terms: Cryogenic (3,510,000), cryogenics (1,050,000), cryogenic refrigerator (1,270), cryogenic liquifier (1),
Terms: millikelvin (37,900), microkelvin (4,950), nanokelvin (1,610), picokelvin (345), milli-kelvin (766), micro-kelvin (780), nano-kelvin (338), pico-kelvin (58), femto-kelvin (8), femtokelvin (141), atto-kelvin (32), attokelvin (125),
Terms: pulse tube refrigerator (909), pulse tube refrigeration (175),
Boolean: "pulse tube" AND (cryogenic OR cryogenics) (12,200), "pulse tube" AND 4k (770), "pulse tubes" AND 4k (313), helium AND "pulse tube" (1,440), thermoacoustic AND helium (1,040), acoustic AND cryogenic (171,000), magnetic AND refrigeration AND cryogenic (71,900),
Terms: magnetic refrigeration (18,000),
Terms: cryogenic temperature sensors (465), cryogenic magnetic (226), cryogenic electric (99),
Terms: conductivity as a function of temperature (450), low temperature conductivity (403),
Terms: acoustic refrigeration (185), thermoacoustic (67,800), acoustic refrigerator (109),
Terms: acoustic laser (679),
Boolean: "brownian noise" AND cryogenic (98), "brownian noise" AND gravity (164), noise AND gravity (4,530,000), gravitation AND noise (267,000), noise AND gravimeter (2,050),
Boolean: cryogenic AND accelerometer (37,500), cryogenic AND seismometer (305), cryogenic AND gyroscope (1,890), cryogenic AND sagnac (295), cryogenic AND seismometer (305), cryogenic AND geophone (101), cryogenic AND gravity (274,000), cryogenic AND gravitational (102,000), cryogenic AND interferometer (73,600), cryogenic AND gravimeter (348),
Boolean: superconducting AND gravity (296,000), cryogenic AND gravity (274,000), "differential interferometer" AND (fiber OR fibre) (130),
Terms: uncertainty in the vertical (155), gravity gradient (70,100), gravity gradiometer (2,560),
Terms: brownian noise (1,960), brownian limit (101),
Terms: absolute interferometry (109), absolute interferometer (270), differential interferometer (433),