Library

X
feed icon rss

Your email was sent successfully. Check your inbox.

An error occurred while sending the email. Please try again.

Proceed reservation?

Export
  • 1
    Electronic Resource
    Electronic Resource
    Highly insulative barium zirconate-titanate thin films prepared by rf magnetron sputtering for dynamic random access memory applications (1996)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 69 (1996), S. 2659-2661 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Polycrystalline thin films of Ba(ZrxTi1−x)O3 with x=0–0.4 and a thickness of ∼180 nm were deposited on platinum-coated silicon substrates by rf magnetron sputtering at 500 °C. Ba-rich targets were used to prepare films of stoichiometric composition. The film having x=0.12 exhibited a satisfactory dielectric property of dielectric constant, k≈300, and dissipation factor, tan δ〈0.02, at frequencies from 103 to 106 Hz under ambient temperatures ranging from 20 to 180 °C. More importantly, the film showed a very stable and highly insulative characteristic against applied voltage. The leakage current density J increases only smoothly to a value less than 10−7 A/cm2 followed by an Ohmic relation of J=σE with σ=1.4×10−14 (Ω cm)−1 up to an extremely high electric field E of 5.6 MV/cm without any sign of abrupt increase of leakage current or electrical breakdown. Also, no time-dependent electric degradation was observed for the film subjected to an electric field as high as 5 MV/cm at room temperature up to 3600 s of measurement. © 1996 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.117550
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Observation of ion gettering effects in high-temperature superconducting oxide material (1996)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 69 (1996), S. 1629-1630 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Ion gettering effect has been observed in high-temperature superconducting YBa2Cu3O7 material. Silicon ions were implanted into the material and subsequent high-temperature annealing produced ion movement from a low concentration region to a higher concentration region where the damage of the crystal structure is severe. This gettering effect could be used to make a superconductor-nonsuperconductor-superconductor trilayer structure within a single YBCO film. © 1996 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.117053
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Lupulin D (1996)
    Oxford [u.a.] : International Union of Crystallography (IUCr)
    Acta crystallographica 52 (1996), S. 2229-2231 
    Details
    ISSN: 1600-5759
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0108270196004829
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 4
    Electronic Resource
    Electronic Resource
    Molecular indicators of secondary oil migration distances (1996)
    [s.l.] : Nature Publishing Group
    Nature 383 (1996), S. 593-597 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The ability to determine the distance migrated by an oil from source rock to reservoir could greatly assist in the identification of new, economically viable accumulations of petroleum. Non-alkylated benzocarbazoles, which are present in trace quantities in oils, exhibit changes in both ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/383593a0
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 5
    Electronic Resource
    Electronic Resource
    Laparoscopic evaluation and treatment of intestinal malrotation in infants (1996)
    Springer
    Surgical endoscopy and other interventional techniques 10 (1996), S. 936-937 
    Details
    ISSN: 1432-2218
    Keywords: Laparoscopy ; Malrotation ; Ladd's procedure
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Infants with intestinal malrotation present with bilious emesis and the diagnosis is generally obtained by an upper gastrointestinal barium study. Malrotation is suspected if the ligament of Treitz is not positioned to the left of the vertebral body. Barium enema may also be used to detect malrotation by noting the abnormal position of the cecum from its usual placement in the right lower quadrant, but this study is not as reliable due to the mobility of the cecum. Some infants may not have classic radiographic findings for malrotation, yet the contrast studies are not entirely normal. We recently treated two infants with recurrent vomiting whose UGI studies suggested intestinal malrotation. Laparoscopic exploration confirmed the diagnosis of malrotation. Laparoscopic correction (Ladd's procedure) of malrotation was carried out in one infant. The second infant underwent a traditional Ladd's procedure. The technique of laparoscopic Ladd's procedure is described. Laparoscopy may be used for the diagnosis and treatment of infants with intestinal malrotation. It may be especially helpful to verify the diagnosis in patients who do not have classic radiographic findings. Whether laparoscopy should be used in patients with midgut volvulus is debatable. Laparoscopic derotation of the volvulus in a setting where the bowel is markedly distended may be difficult and dangerous.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00188488
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 6
    Electronic Resource
    Electronic Resource
    Laparoscopically assisted abdominal aortic aneurysm repair (1996)
    Springer
    Surgical endoscopy and other interventional techniques 10 (1996), S. 1136-1139 
    Details
    ISSN: 1432-2218
    Keywords: Key words: Laparoscopy — Vascular — Abdominal aortic aneurysm
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: Laparoscopic surgery decreases postoperative pain and length of hospital stay. Whether laparoscopically assisted abdominal aortic aneurysm (AAA) repair can be safely and reliably performed is unknown. This prospective study was designed to establish the feasibility of laparoscopically assisted AAA repair and its effects on intraoperative and postoperative variables. Methods: With IRB approval, 10 patients with infrarenal AAA requiring a tube graft underwent laparoscopically assisted AAA repair. The procedure consisted of laparoscopic dissection of the aneurysm neck and iliac vessels. Then, through an 8–11-cm minilaparotomy, a standard endoaneurysmorrhaphy was performed. Data included laparoscopic and total operative times, blood loss, fluid requirements, duration of nasogastric suction (NGT), and lengths of intensive care unit (ICU) and postoperative hospital stays. Results: Laparoscopically assisted AAA was completed in nine of 10 patients. The first patient was converted to a standard incision because the aneurysm neck could not be adequately dissected. Laparoscopic and total operative times were 1.8 ± 0.4 and 4.5 ± 0.7 h, respectively. Mean blood loss was 1 ± 0.6 l. Intraoperative fluid requirement was 6.6 ± 1.3 l. The duration of NGT suction was 1.8 ± 1.0 days. The ICU stay was 2.1 ± 0.8 days and hospital stay was 6.7 ± 2.5 days. There were two minor complications and no deaths. Conclusions: Laparoscopically assisted AAA repair is technically feasible with acceptable blood loss, operative time, morbidity, and mortality. Potential advantages may be early removal of the NGT and shorter ICU and hospital stays. Prospective randomized trials are needed to determine if laparoscopically assisted AAA repair is advantageous.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004649900265
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 7
    Electronic Resource
    Electronic Resource
    The author replies (1996)
    Springer
    Surgical endoscopy and other interventional techniques 10 (1996), S. 781-781 
    Details
    ISSN: 1432-2218
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00193060
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 8
    Electronic Resource
    Electronic Resource
    Laparoscopic evaluation and treatment of intestinal malrotation in infants (1996)
    Springer
    Surgical endoscopy and other interventional techniques 10 (1996), S. 936-937 
    Details
    ISSN: 1432-2218
    Keywords: Key words: Laparoscopy — Malrotation — Ladd's procedure
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. Infants with intestinal malrotation present with bilious emesis and the diagnosis is generally obtained by an upper gastrointestinal barium study. Malrotation is suspected if the ligament of Treitz is not positioned to the left of the vertebral body. Barium enema may also be used to detect malrotation by noting the abnormal position of the cecum from its usual placement in the right lower quadrant, but this study is not as reliable due to the mobility of the cecum. Some infants may not have classic radiographic findings for malrotation, yet the contrast studies are not entirely normal. We recently treated two infants with recurrent vomiting whose UGI studies suggested intestinal malrotation. Laparoscopic exploration confirmed the diagnosis of malrotation. Laparoscopic correction (Ladd's procedure) of malrotation was carried out in one infant. The second infant underwent a traditional Ladd's procedure. The technique of laparoscopic Ladd's procedure is described. Laparoscopy may be used for the diagnosis and treatment of infants with intestinal malrotation. It may be especially helpful to verify the diagnosis in patients who do not have classic radiographic findings. Whether laparoscopy should be used in patients with midgut volvulus is debatable. Laparoscopic derotation of the volvulus in a setting where the bowel is markedly distended may be difficult and dangerous.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004649900202
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 9
    Electronic Resource
    Electronic Resource
    Concentration and distribution of copper and cadmium in water, sediments, detritus, plants and animals in a hardwater lowland river (1996)
    Springer
    Hydrobiologia 341 (1996), S. 71-80 
    Details
    ISSN: 1573-5117
    Keywords: Copper ; Cadmium ; distribution ; freshwater
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The concentration and distribution of copper (Cu) and cadmium (Cd) were examined in water, sediments, detritus, plants and animals in a small, lowland, hardwater river. Consistently higher concentrations of Cu and Cd were found in all types of samples from two sites. There were marked variations in metal concentrations between different types of samples, and between seasons. Copper and Cd were mainly concentrated in sediments, organic detritus and biota, while concentrations in water were three orders of magnitude lower than in the other components in the system. The relatively high concentrations of Cu and Cd in biota suggests that they provide an important pathway for metal transport through the food web in this particular hardwater river. From the rank order of concentrations it appears that sticklebacks exert a greater degree of control than invertebrates in the uptake and elimination of Cu and Cd.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00012305
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 10
    Electronic Resource
    Electronic Resource
    Airborne lead pollution in Metropolitan Taipei (Republic of China) (1996)
    Springer
    Water, air & soil pollution 91 (1996), S. 375-382 
    Details
    ISSN: 1573-2932
    Keywords: airborne lead determination ; pollution ; Taipei
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract To examine the spatial variation of airborne lead in Taipei, a field study was conducted during the summer and fall of 1991. Samples were collected 2–4 times daily at several sites for the determination of airborne lead. Results indicate that the average of air lead concentration of Taipei city is 0.70±0.39 μg/m3 and eighty-eight percent of particles are smaller than 10 pm. From high to low polluted area, the fine particle concentrations are 0.83, 0.51, 0.29 μg/m3 The lead concentration of particulates 〈 10 μm on 2nd, 7th, and 14th floors of a building are 0.75, 0.60, 0.55 μg/m3, and appears to be little difference among vertical dispersions. The air lead concentrations (da 〈 10 μm) on roadside, side walk and covered walk way from the vehicle emission source of a main road are 0.83, 0.78, 0.87 μg/m3 the highest is on the covered walk way. For lead concentrations (da 〈 10 μm) on the main street, side street and alley of an area are 0.34, 0.37, 0.35 μg/m3 the result indicates lead concentrations on these pathways are not significantly different.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00666271
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
Close ⊗
This website uses cookies and the analysis tool Matomo. More information can be found here...