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  1. Book ; Online: Peut-on former les enseignant$\cdot$e$\cdot$s en un rien de temps ?

    Mariais, Christelle / Roche, David / Farhi, Laurence / Barnabé, Sabrina / Cruchon, Sonia / de Quatrebarbes, Sophie / Vieville, Thierry

    2019  

    Abstract: In France, we recently realized that it is urgent to stop waiting to start teaching our girls and boys bases of computer science, to master digital technology, and the Digital Science and Technology (SNT) topic is now offered in Year 11 (classe de 2nd), ... ...

    Abstract In France, we recently realized that it is urgent to stop waiting to start teaching our girls and boys bases of computer science, to master digital technology, and the Digital Science and Technology (SNT) topic is now offered in Year 11 (classe de 2nd), starting at the 2019 school year. All highschool students are concerned. But how to train teachers? It is a challenge and it should be done in almost no time. By using quantitative data about the Class'Code training program and putting the methodological elements developed and experimented in perspective, we report here what did work and, more interesting, where we stumbled in order to set the limits of the approach and show the importance of a greater place regarding these formations.

    Comment: in French. EIAH'19 Wokshop : Apprentissage de la pens\'ee informatique de la maternelle \`a l'Universit\'e: retours d'exp\'eriences et passage \`a l'\'echelle, Jun 2019, Paris, France
    Keywords Computer Science - Computers and Society
    Language French
    Publishing date 2019-06-03
    Publishing country us
    Document type Book ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  2. Article: Dynamics of changes in carbon dioxide stores.

    FARHI, L E / RAHN, H

    Anesthesiology

    2003  Volume 21, Page(s) 604–614

    MeSH term(s) Carbon Dioxide/metabolism ; Humans
    Chemical Substances Carbon Dioxide (142M471B3J)
    Language English
    Publishing date 2003-04-21
    Publishing country United States
    Document type Journal Article
    ZDB-ID 269-0
    ISSN 0003-3022
    ISSN 0003-3022
    DOI 10.1097/00000542-196011000-00004
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  3. Article: World War II and respiratory physiology: the view from Rochester, New York.

    Farhi, L E

    Journal of applied physiology (Bethesda, Md. : 1985)

    1990  Volume 69, Issue 5, Page(s) 1565–1570

    MeSH term(s) History, 20th Century ; Humans ; New York ; Physiology ; Respiration ; Warfare
    Language English
    Publishing date 1990-11
    Publishing country United States
    Document type Historical Article ; Journal Article
    ZDB-ID 219139-8
    ISSN 1522-1601 ; 8750-7587 ; 0021-8987 ; 0161-7567
    ISSN (online) 1522-1601
    ISSN 8750-7587 ; 0021-8987 ; 0161-7567
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  4. Article: SIMULTANEOUS MEASUREMENT OF O2, CO2 AND N2 ALVEOLO-ARTERIAL GAS PRESSURE DIFFERENCES. TECHN DOCUM REP AMRL-TDR-63-103 (I).

    FARHI, L

    AMRL-TR. Aerospace Medical Research Laboratories (U.S.)

    1963  , Page(s) 116–119

    MeSH term(s) Arteries ; Blood Gas Analysis ; Carbon Dioxide ; Monitoring, Physiologic ; Nitrogen ; Oxygen ; Pulmonary Circulation ; Respiratory Function Tests
    Chemical Substances Carbon Dioxide (142M471B3J) ; Nitrogen (N762921K75) ; Oxygen (S88TT14065)
    Language English
    Publishing date 1963-10
    Publishing country United States
    Document type Journal Article
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  5. Article: Physiologic requirements to perform work.

    Farhi, L E

    The American review of respiratory disease

    1984  Volume 129, Issue 2 Pt 2, Page(s) S4–5

    Abstract: In order to perform, exercising muscle must be provided with an appropriate blood flow, and the composition of the incoming blood must be kept within acceptable limits. The circulatory system maintains flow by increasing cardiac output and reducing ... ...

    Abstract In order to perform, exercising muscle must be provided with an appropriate blood flow, and the composition of the incoming blood must be kept within acceptable limits. The circulatory system maintains flow by increasing cardiac output and reducing supply to many beds (such as the splanchnic circulation), while the lung regulates arterial O2 and CO2 levels by adjusting alveolar ventilation to metabolic needs. In the process, the function of many organs is temporarily sacrificed or depressed, which means that: (1) a hierarchy of functions has to be established, and (2) some compromises among the numerous needs of the exercising muscle must be made. As a result of these readjustments, the heart and lungs of the normal subject are able to provide all the support that the exercising muscle requires. It is the peripheral machinery that fails first, as demonstrated by the switch to anaerobic metabolism while blood pressure is actually increased, and O2 and CO2 levels are maintained. Thus, if the exertion level of a patient is limited by his central circulation or by his respiration, there is a definite decrement in the functional capacity of that system.
    MeSH term(s) Carbon Dioxide/blood ; Cardiac Output ; Cardiovascular Physiological Phenomena ; Exercise Test ; Humans ; Muscles/blood supply ; Muscles/physiology ; Oxygen/blood ; Physical Exertion ; Respiration
    Chemical Substances Carbon Dioxide (142M471B3J) ; Oxygen (S88TT14065)
    Language English
    Publishing date 1984-02
    Publishing country United States
    Document type Journal Article
    ZDB-ID 207923-9
    ISSN 0003-0805
    ISSN 0003-0805
    DOI 10.1164/arrd.1984.129.2P2.S4
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article: Le concept ventilation-perfusion. Un modèle pour l'enseignement.

    Farhi, L E

    Revue francaise des maladies respiratoires

    1980  Volume 8, Issue 6, Page(s) 425–434

    Title translation The concept of ventilation-perfusion. A model for teaching.
    MeSH term(s) Carbon Dioxide/blood ; Humans ; Models, Biological ; Noble Gases ; Oxygen Consumption ; Respiration ; Respiratory Dead Space ; Ventilation-Perfusion Ratio
    Chemical Substances Noble Gases ; Carbon Dioxide (142M471B3J)
    Language French
    Publishing date 1980
    Publishing country France
    Document type Journal Article ; Research Support, U.S. Gov't, P.H.S.
    ZDB-ID 184438-6
    ISSN 0301-0279 ; 0150-9896
    ISSN 0301-0279 ; 0150-9896
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  7. Article: Revised one-step method for determination of cardiac output.

    Olszowka, A J / Shykoff, B E / Pendergast, D R / Farhi, L E

    Respiratory physiology & neurobiology

    2004  Volume 140, Issue 1, Page(s) 99–109

    Abstract: Cardiac output (Q) is a determinant of blood pressure and O(2) delivery and is critical in the maintenance of homeostasis, particularly during environmental stress and exercise. Cardiac output can be determined invasively in patients; however, indirect ... ...

    Abstract Cardiac output (Q) is a determinant of blood pressure and O(2) delivery and is critical in the maintenance of homeostasis, particularly during environmental stress and exercise. Cardiac output can be determined invasively in patients; however, indirect methods are required for other situations. Soluble gas techniques are widely used to determine (Q). Historically, measurements during a breathhold, prolonged expiration and rebreathing to CO(2) equilibrium have been used; however, with limitations, especially during stress. Farhi and co-workers developed a single-step CO(2) rebreathing method, which was subsequently revised by his group, and has been shown to be reliable and compared closely to direct, invasive measures. V(CO2), P(ACO2), and P(VCO2) are determined during a 12-25s rebreathing, using the appropriate tidal volume, and (Q) is calculated. This method can provide accurate data in laboratory and field experiments during exercise, increased or decreased gravity, water immersion, lower body pressure, head-down tilt, altered ambient pressure or changes in inspired gas composition.
    MeSH term(s) Algorithms ; Breath Tests/methods ; Carbon Dioxide ; Cardiac Output/physiology ; Exercise Test/methods ; Heart Function Tests/methods ; Humans ; Models, Cardiovascular ; Monitoring, Physiologic/methods ; Respiration
    Chemical Substances Carbon Dioxide (142M471B3J)
    Language English
    Publishing date 2004-04-20
    Publishing country Netherlands
    Document type Journal Article ; Research Support, U.S. Gov't, Non-P.H.S.
    ZDB-ID 2077867-3
    ISSN 1878-1519 ; 1569-9048
    ISSN (online) 1878-1519
    ISSN 1569-9048
    DOI 10.1016/j.resp.2003.11.006
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  8. Article: Local pulmonary blood flow: control and gas exchange.

    Sheehan, D W / Farhi, L E

    Respiration physiology

    1993  Volume 94, Issue 1, Page(s) 91–107

    Abstract: We studied the local response of the pulmonary vasculature to combined changes in alveolar PO2 and PCO2 in the right apical lobe (RAL) of six conscious sheep. That lobe inspired an O2-CO2-N2 mixture adjusted to produce one of 12 alveolar gas compositions: ...

    Abstract We studied the local response of the pulmonary vasculature to combined changes in alveolar PO2 and PCO2 in the right apical lobe (RAL) of six conscious sheep. That lobe inspired an O2-CO2-N2 mixture adjusted to produce one of 12 alveolar gas compositions: end-tidal PCO2 (PETCO2) of 40, 50, and 60 Torr, each coupled with end-tidal PO2 (PETO2) of 100, 75, 50, and 25 Torr. In addition, at each of the four PETO2, the inspired CO2 was set to 0 and PETCO2 was allowed to vary as RAL perfusion changed. The remainder of the lung, which served as control (CL) inspired air. Fraction of the total pulmonary blood flow going to the RAL (%QRAL) was obtained by comparing the methane elimination from the RAL to that of the whole lung, and expressed as a percentage of that fraction at PETCO2 = 40, PETO2 = 100. Cardiac output, pulmonary vascular pressures, and CL gas tensions were unaffected or only minimally affected by changes in RAL gas composition. A drop in PO2 from 100 to 50 Torr decreased local blood flow by 60% in normocapnia and by 66% at a PCO2 of 60. At all levels of oxygenation, an increase in PCO2 from 40 to 60 reduced QRAL by nearly 50%. With these stimulus-response data, we developed a model of gas exchange, which takes into account the effects of test segment size on blood flow diversion. This model predicts that: (1) when the ventilation to one compartment of a two compartment lung is progressively decreased, PAO2 remains above 60 Torr for up to 60% reductions in alveolar ventilation, irrespective of compartment size; (2) the decrease in PAO2 that occurs at altitude is accompanied by a drop in PACO2 that limits the decrease in conductance and minimizes the pulmonary hypertension; and (3) as we stand, local blood flow control by the alveolar gas tensions halves the alveolar-arterial PO2 and PCO2 differences imposed by gravity.
    MeSH term(s) Analysis of Variance ; Animals ; Blood Pressure/physiology ; Female ; Hypercapnia/physiopathology ; Hypertension, Pulmonary/physiopathology ; Hypocapnia/physiopathology ; Lung/blood supply ; Lung/physiology ; Pulmonary Gas Exchange/physiology ; Regional Blood Flow/physiology ; Sheep ; Vascular Resistance/physiology
    Language English
    Publishing date 1993-10
    Publishing country Netherlands
    Document type Journal Article ; Research Support, U.S. Gov't, P.H.S.
    ZDB-ID 205736-0
    ISSN 1872-7611 ; 0034-5687
    ISSN (online) 1872-7611
    ISSN 0034-5687
    DOI 10.1016/0034-5687(93)90059-j
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  9. Book: Etudes agricoles régionales à l'échelle de la Communauté Economique Européenne

    Farhi, L

    D) monographie de la grande région agricole C.E.E. No. 15 (Allemagne)

    (Conditions de production de l'agriculture : informations internes ; 5)

    1962  

    Institution Europäische Wirtschaftsgemeinschaft / Kommission
    Author's details L. Farhi. Europäische Wirtschaftsgemeinschaft/Kommission
    Series title Conditions de production de l'agriculture : informations internes ; 5
    Language French
    Size VIII, 139 S. , 30 cm, 30 cm
    Publisher EWG, Kommission, Generaldirektion Landwirtschaft
    Publishing place Brüssel
    Document type Book
    Database Johann Heinrich von Thünen-Institut, Federal Research Institute for Rural Areas, Forestry and Fisheries

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  10. Article: Foreword. Dedication to Hermann Rahn.

    Dejours, P / Farhi, L

    Respiration physiology

    1977  Volume 30, Issue 1-2, Page(s) 3–5

    MeSH term(s) History, 20th Century ; Physiology ; United States
    Language English
    Publishing date 1977-06
    Publishing country Netherlands
    Document type Biography ; Historical Article ; Journal Article
    ZDB-ID 205736-0
    ISSN 1872-7611 ; 0034-5687
    ISSN (online) 1872-7611
    ISSN 0034-5687
    DOI 10.1016/0034-5687(77)90016-0
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