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    FERTILIZER MATERIAL FROM APATITE
    21.
    发明申请
    FERTILIZER MATERIAL FROM APATITE 审中-公开
    APATITE的肥料

    公开(公告)号：WO1981000711A1

    公开(公告)日：1981-03-19

    申请号：PCT/GB1980000139

    申请日：1980-09-08

    Applicant: NAT RES DEV CORP ,  GLASSER F ,  GUNAWARDANE R

    Inventor： NAT RES DEV CORP

    IPC: C05B13/02

    CPC classification number: C05B13/02

    Abstract: Apatite is conventionally made into a fertilizer material by treatment with a strong acid, requiring capital-intensive industry. Hydroxyapatite is treated above 1100C with alkali but world reserves are problematic. The invention treats apatite at 900C with sodium aluminosilicate/carbonate and siliceous material in quantities to keep the composition in terms of CaO, SiO u, Na uO and P uO u in or near the ternary system Ca uSiO u - Ca u(PO u) u - CaNaPO u.

    Abstract translation: 磷灰石通常用强酸处理制成肥料，需要资本密集型工业。 羟基磷灰石用碱处理超过1100℃，但世界储备是有问题的。 本发明在90℃处理磷灰石，其用量为硅铝酸钠/碳酸盐和硅质材料，以使CaO，SiO u，Na 2 O和P u u u u的组成保持在或接近 （u u u u u u u u u u u u u u u u u u u u u u u u u u u u u u u u u u u u u u u u u u u

    SORPTION OF GASES
    22.
    发明申请
    SORPTION OF GASES 审中-公开
    吸附气体

    公开(公告)号：WO1979000696A1

    公开(公告)日：1979-09-20

    申请号：PCT/GB1979000038

    申请日：1979-03-05

    Applicant: NAT RES DEV CORP

    Inventor： NAT RES DEV CORP ,  MCAULIFFE C ,  MCCULLOUGH F ,  LEVASON W

    IPC: C07F13/00

    CPC classification number: C07F9/02 ,  B01D53/02 ,  C01B3/56 ,  C01B13/0285 ,  C01B2210/0046 ,  C07F13/005

    Abstract: Compounds of formula 1 are useful in the separation of a gas such as oxygen, hydrogen, sulphur dioxide, alkenes and carbon monoxide from a fluid comprising the gas. I MnIILX2 In formula I: L represents a monodentate ligand of formula IA and X is a species capable of existing as an anion IA PR1R2R3 wherein R1, R2 and R3 which may be identical or different represent substituted or unsubstituted alkyl, cycloalkyl or aryl groups or hydrogen and X represents -Cl, -Br, -I, -CN, -NO2, -N03, -OH, -CNS or -CNO, provided that no more than two of the groups R1, R2 and R3 are substituted or unsubstituted aryl groups and that at least one of the groups R1, R2 and R3 is a substituted or unsubstituted alkyl, cycloalkyl or aryl group.

    INTERFEROMETER SYSTEMS
    23.
    发明申请
    INTERFEROMETER SYSTEMS 审中-公开
    干涉仪系统

    公开(公告)号：WO1979000506A1

    公开(公告)日：1979-08-09

    申请号：PCT/GB1979000006

    申请日：1979-01-11

    Applicant: NAT RES DEV CORP ,  DOWNS M ,  RAINE K

    Inventor： NAT RES DEV CORP

    IPC: G01B09/02

    CPC classification number: G01B9/02079

    Abstract: In a Michelson interferometer system arranged to give four output interferograms, two at each orthogonal direction of polarisation, the reflection and transmission coefficients of the interferometer beam splitter (10) at the two polarisation directions are chosen so that the ratios of the a.c. component to the d.c. component are equal in three of the interferograms. Difference signals derived from the three interferograms are suitable for use with an automatic, reversible, fringe counting system.

    Abstract translation: 在迈克尔逊干涉仪系统中，布置成给出四个输出干涉图，在每个正交正交方向上两个，选择干涉仪分束器（10）在两个偏振方向上的反射和透射系数，使得a.c. 组件到d.c. 三个干涉图中的分量相等。 来自三个干涉图的差分信号适用于自动，可逆的条纹计数系统。

    IMPROVEMENTS IN OR RELATING TO METHODS OF PRODUCING DEVICES COMPRISING METALLISED REGIONS ON DIELECTRIC SUBSTRATES
    25.
    发明申请
    IMPROVEMENTS IN OR RELATING TO METHODS OF PRODUCING DEVICES COMPRISING METALLISED REGIONS ON DIELECTRIC SUBSTRATES 审中-公开
    或涉及生产包含金属化区域的器件的方法在电介质基板上的改进

    公开(公告)号：WO1982001790A1

    公开(公告)日：1982-05-27

    申请号：PCT/GB1981000222

    申请日：1981-10-12

    Applicant: NAT RES DEV CORP ,  LEWIS MEIRION F

    Inventor： NAT RES DEV CORP

    IPC: H01L41/22

    CPC classification number: H01L41/29 ,  H03H9/02921 ,  Y10T29/42

    Abstract: In devices comprising closely spaced metallised regions deposited upon a dielectric substrate, in particular acoustic wave devices, electric fields may arise between the regions due to pyroelectric effects or acquired static charges during production or subsequently. These fields can cause damage by arcing or cracking of the substrate. The present method overcomes this problem by providing resistive links between such regions so that the fields do not arise. Preferably the links are of metallising formed simultaneously with the metallised regions. Application to a SAW convolver is described in which the links are strips of metallising (7, 8, 9).

    Abstract translation: 在包括沉积在电介质基板上的紧密间隔的金属化区域的器件中，特别是声波器件中，由于在生产期间或之后的热电效应或获得的静电荷，区域之间可能会产生电场。 这些场可能导致基板的电弧或破裂的损坏。 本方法通过在这些区域之间提供电阻链接来克服这个问题，使得不会出现这些场。 优选地，连接件与金属化区域同时形成金属化。 描述了应用于SAW卷积器，其中链节是金属化带（7,8,9）。

    VARIABLE-SPEED ELECTRICAL MACHINES
    27.
    发明申请
    VARIABLE-SPEED ELECTRICAL MACHINES 审中-公开
    变速电机

    公开(公告)号：WO1982001283A1

    公开(公告)日：1982-04-15

    申请号：PCT/GB1981000199

    申请日：1981-09-23

    Applicant: NAT RES DEV CORP ,  KUZNETSOV S ,  LAITHWAITE E

    Inventor： NAT RES DEV CORP

    IPC: H02K17/28

    CPC classification number: H02K17/28 ,  H02P5/74

    Abstract: Dispositif permettant la variation de la vitesse ou autres parametres de fonctionnement d'une machine electrique sans connexion au rotor. La machine est du type a induction ayant un enroulement en parties separees pour creer dans l'entrefer un flux mobile ayant differentes vitesses en modifiant l'intensite du courant dans une partie de l'enroulement. Dans un exemple, l'intensite du courant est modifiee par une impedance variable connectee a une partie de l'enroulement, l'autre partie etant connectee a une alimentation electrique. Un autre exemple, Fig. 6, illustre deux machines (NM1, NM2) disposees pour entrainer un vehicule a rail par l'intermediaire de roues a rail lisses fixees aux axes des rotors des machines. Un inverseur simple a frequence variable (NI) entraine les deux machines et est connecte a une piece (MP) de chaque enroulement de la machine. D'autres pieces (AP) de chaque enroulement des machines sont interconnectees par un dispositif de liaison (NC). En fonctionnement, la puissance (reelle ou reactive) est transferee entre les machines le long du dispositif de liaison pour egaliser le couple des machines. Ce dispositif permet d'eviter le depart d'une machine alors que l'autre cale.

    ANTIMICROBIAL SURGICAL IMPLANTS
    30.
    发明申请
    ANTIMICROBIAL SURGICAL IMPLANTS 审中-公开
    抗微生物手术植入物

    公开(公告)号：WO1981002667A1

    公开(公告)日：1981-10-01

    申请号：PCT/GB1981000058

    申请日：1981-03-26

    Applicant: NAT RES DEV CORP ,  SCALES J ,  WILKINSON M

    Inventor： NAT RES DEV CORP

    IPC: A61F01/00

    CPC classification number: A61F2/30767 ,  A61B17/06166 ,  A61B17/80 ,  A61B17/866 ,  A61F2002/30062 ,  A61F2002/30677 ,  A61F2002/30934 ,  A61F2210/0004 ,  A61F2310/00023 ,  A61F2310/0052 ,  A61L27/54 ,  A61L2300/104 ,  A61L2300/404 ,  A61L2300/602 ,  A61N1/20 ,  Y10S977/722

    Abstract: Surgical implants, especially endoprosthetic orthopaedic implants and sutures, are rendered antimicrobial by the presence of a bioerodible metallic silver component, especially a surface coating, which provides in vivo a sustained release of silver ions in a concentration sufficient to provide a localized antimicrobial effect but insufficient to cause significant damage to connective tissue. Latently bioerodible silver components of an implant can be activated by, for example, abrasion, heating to above about 180` or, especially, contact with hydrogen peroxide.

    Abstract translation: 手术植入物，特别是假体内矫形外科植入物和缝合线，通过存在生物可腐蚀的金属银组分，特别是表面涂层而呈现抗微生物作用，该表面涂层体内提供足够提供局部抗微生物作用但不足的银离子的持续释放 对结缔组织造成重大损害。 植入物的潜在的生物可腐蚀的银组分可以通过例如磨损，加热至约180℃或特别是与过氧化氢接触来活化。

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