Shannon, Revised effective ionic radii and systematic studies of interatomic distances in halides and chalcogenides. Chen, Effects of Bi 3+ substitution for Nd 3+ on microwave dielectric properties of Ca 0.61(Nd 1–xBi x) 0.26TiO 3 ceramics. Ling, Studies of temperature dependent ac impedance of a negative temperature coefficient Mn-Co-Ni-O thin film thermistor. Wu, Novel electrical properties of Mn-doped LaCrO 3 ceramics as NTC thermistors. Bhoga, Combustion synthesized Nd 2–xCe xCuO 4 ( x = 0-0.25) cathode materials for intermediate temperature solid oxide fuel cell applications. Jeong, Co and Fe doping effect on negative temperature coefficient characteristics of nano-grained NiMn 2O 4 thick films fabricated by aerosol-deposition. Lu, Preparation routes and electrical properties for Ni 0.6Mn 2.4O 4 NTC ceramics. Puri, Studies on the properties of Ni 0.6Cu 0.4Mn 2O 4 NTC ceramic due to Fe doping. Park, Microstructure and electrical properties of Ni 1.0Mn 2–xZr xO 4 (0 ≤ x ≤ 1.0) negative temperature coefficient thermistors. Placido, Impedance analysis of MnCoCuO NTC ceramic. Puri, Influence of copper substitution on structural, electrical and dielectric properties of Ni (1–x)Cu xMn 2O 4 (0 ≤ x ≤ 1) ceramics. Peng, Preparation and characterization of Fe 3+ doped Ni 0.9Co 0.8Mn 1.3–xFe xO 4 (0 ≤ x ≤ 0.7) negative temperature coefficient ceramic materials. Li, Characterization of new negative temperature coefficient thermistors based on Zn-Ni-O system. Chang, Structural and electrical properties of Ca-doped Co 1.5–xCa xMn 1.2Ni 0.3O 4 (0 ≤ x ≤ 0.8) NTC ceramics. Wu, LaCr 1–xFe xO 3 (0 ≤ x ≤ 0.7): a novel NTC ceramic with high stability. Töpfer, Sintering and electrical properties of Cu-substituted Zn-Co-Ni-Mn spinel ceramics for NTC thermistors thick films. Chen, Effects of Cu and Zn co-doping on the electrical properties of Ni 0.5Mn 2.5O 4 NTC ceramics. Ma, Enhanced aging and thermal shock performance of Mn 1.95–xCo 0.21Ni 0.84Sr xO 4 NTC ceramics. Anisimov, Electronic correlations and crystal structure distortions in BaBiO 3. revisiting the BaBiO 3 semiconductor photocatalyst: synthesis, characterization, electronic structure, and photocatalytic activity. Li, Microstructures and electrical properties of Mn/Co/Ni-doped BaBiO 3 perovskite-type NTC ceramic systems. Liao, La 1–xCa xMnO 3 NTC ceramics for low temperature thermistors with high stability. Chang, Preparation, structure and electrical properties of La 1–xBa xCrO 3 NTC ceramics. Winnubst, Preparation and electrical properties of Ni 0.6Mn 2.4–xSn xO 4 NTC ceramics. Chen, X-ray diffraction and infrared spectra studies of Fe xMn 2.34–xNi 0.66O 4 (0 < x < 1) NTC ceramics. Zhao, Effect of mg substitution on microstructure and electrical properties of Mn 1.25Ni 0.75Co 1.0–xMg xO 4 (0 ≤ x ≤ 1) NTC ceramics. Combined with the acceptor atom-doping conduction model theory and XPS analysis results, the main conductive forms of these Ba(Mn xBi 1− x)O 3 thermistors include in the following three kinds: the movable holes formed by the acceptor Mn-doping, the 2Bi 4+ → Bi 3+ + Bi 5+ disproportionation reaction, and the small polaron jump. The phase structures of these ceramic systems are analyzed, in which the XRD analysis results show the ceramic systems can be formed the solid solutions as the relatively lower Mn-adding content of x ≤ 0.4, and the ceramic blocks appear the additional diffraction peak belonging to the MnO 2 second phase with the increase of x value (≥ 0.6). Our Foam Filter is unaffected by water (approved for sea planes).The Mn 3+-ions doped Ba(Mn xBi 1− x)O 3 ( x = 0.0, 0.02, 0.04, 0.06, 0.08 and 0.1) ceramic block samples are prepared by traditional solid-state method.It has no pleats to store dirt and is abrasive resistant Our Foam Filter is unaffected by water (approved for sea planes).At present, Brackett Foam Filters are installed as Factory original equipment on 16 current production aircraft and four helicopters Brackett Air Filters (formerly AC) have been in service on aircraft and helicopters since 1968. Dual stage foam element increases dust holding capacity.Readily available to all F.B.O.'s distributed by most major aircraft supply houses.Easy, accurate servicing by replacement at specified times.You replace only the low cost throw-a-way element.Our patented treated foam has a 98% efficiency rating. This allows the element to be installed on an aircraft at the end of its shelf life. NOTE: The expected shelf life of Brackett elements stored in their original packaging and out of direct sunlight is as follows: 4 years from date of manufacture listed on the front of the element packaging (EX: MFG MONTH/YEAR).
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