泵站多功能压力集测仪

介绍了一种适用于泵站和电站的测量多种压力量和在压力管道的收缩段或弯头处利用差压法测量流量的智能仪器的原理和构成，可对双路测试通道进行巡测，能适应不同量程及与不同输出量的传感器配套使用，并且具有通讯及打印输出功能。     

爆破膜装置在水电站的应用

主要阐述了作为水电站调节保证措施的爆破膜装置的原理、性能和工作参数的计算。对于具有较长的有压引水系统的水电站、需要增容扩建的水电站，这一装置具有一定的推广应用价值。本装置也可以应用于输水管道抽水站及引水工程。     

用瞬态激励法标定压力传感器参考灵敏度

介绍一种用瞬态激励法测定压力传感器参考灵敏度的方法.通过对已知和未知力传感器频谱、频响函数幅值及相位图等的分析,测定未知力传感器的参考灵敏度.此法测试简单,对木材工业的结构动力学测试工作具有一定的实用价值.     

高压反应器消解-火焰原子吸收法测定红景天中微量元素的研究

用微型高压反应器消化处理样品,火焰原子吸收法测定青海产大花红景天和狭叶红景天所含Cu、Pb、Mg、Cd、Fe、Ni、Zn 7种微量元素含量,结果回收率在96.4%~103.7%,相对标准偏差均小于2.00%。此消化方法方便迅速,结果精密度好,重现性好,准确度高,适于少量样品测定。测定结果为这两个品种红景天的进一步药理研究及开发利用提供了有用的数据。     

小功率轴流风机负压通风降温效果分析

利用小型轴流风机通风降低仓库粮堆温度,通过对小功率轴流风机通风效果分析,观察粮食温度和风机能耗情况,分析其节能通风的效果。     

浅谈集中供热换热站设计

本文分析换热站设计原则,提出换热站设计、设备选型应遵循的原则,以提高运行效率、节约能源、保证供热系统供热质量。     

Methods for determining the vapour pressure of active ingredients used in crop protection. Part IV. An improved thermogravimetric determination based on evaporation rate

The vapour pressure of thermally stable substances can be determined easily at ambient pressure using the evaporation rate method. It is possible to measure the evaporation by thermogravimetry in the temperature range from 30°C to 800°C. Vapour pressures as low as 10^?10 Pa (10^?12 mbar) can be determined with excellent reproducibility.     

仁用杏良种选择研究

1997-2003年,在陕北榆林沙盖黄土区和黄土丘陵区,通过对引进的仁用杏品种设点观测,和对物候期、生长量、产量、出仁率、杏仁品质及抗病虫、抗霜冻等性能进行调查,尤其从抗冻性能上对不同仁用杏品种进行评述．提出了适于陕北地区栽培的仁用杏抗霜冻品种为“优一”。“一窝蜂”的抗冻性能优于“龙王帽”和“白玉扁”,“龙王帽”和“白玉扁”的抗冻能力较差。     

Destructive lesions of the proximal sesamoid bones as a complication of dorsal metatarsal artery catheterization in three horses

OBJECTIVE: To describe focal destructive lesions of the proximal sesamoid bones (PSBs) as a complication of dorsal metatarsal artery catheterization performed for direct blood pressure monitoring during equine general anesthesia. STUDY DESIGN: Retrospective study. ANIMALS: Three client-owned horses. METHODS: A dorsal metatarsal artery was catheterized in each of 3 horses for direct blood pressure monitoring during anesthesia. Radiography, ultrasonography, synoviocentesis, and arthroscopy were used to diagnose postoperative lameness that occurred in the limb used for blood pressure monitoring. RESULTS: Horses developed severe lameness, localized to the fetlock region of the catheterized limb within 21 days of surgery. Antibiotic therapy was administered. Surgical debridement was possible in 1 horse. Two horses that had lesions that were inaccessible, failed to respond to medical management and were euthanatized. The 3rd horse that had surgical debridement of affected bone, survived. Changes in hospital protocol, by improving aseptic technique during catheter insertion and use of new manometer tubing and heparinized saline for each arterial catheter inserted in the dorsal metatarsal artery, have eliminated this complication. CONCLUSIONS: Diagnosis and treatment of destructive lesions of the PSB were difficult. Strict aseptic technique should be followed during insertion of arterial catheters. CLINICAL RELEVANCE: Focal destructive lesions of the PSB subsequent to dorsal metatarsal arterial catheterization is a rare but serious complication of equine anesthesia.     

优质中粳不育系盐粳93538A的选育与应用

盐粳93583A是直接选用大面积生产上应用的常规品种通过杂交回交转育而成的优质中粳BT型不育系,2001年通过省级技术鉴定。该不育系不育性好且稳定,米质优,抗稻瘟能力强,遗传性状稳定,配合力强。配置的组合熟相好,易脱粒,品质优,产量高,利用前景广阔。所配组合"盐优422"2001年参加江苏省杂交中粳区域试验表现突出,2002年提前参加试验。