Earlier research has shown that an inexpensive single dose of an antiretroviral can reduce HIV transmission from mother to child during pregnancy or delivery.
早先的研究已经表明，便宜的单剂量抗逆转病毒疗法可以减少怀孕或分娩期间母亲对婴儿的艾滋病病毒传染。
Theoretically, without the flattening filter may reduce the treatment delivery time by enhancing the output dose rate.
不使用均整器可以提高加速器的输出剂量率，减少出束时间。
The influences of target motion on dose homogeneity and conformity degree were theoretically studied under the condition of the active raster-scanning beam delivery system.
从理论上研究了在主动型栅扫描束流配送系统下，靶体运动对靶区剂量均匀性以及重离子治疗适形程度的影响。
Objective To establish a standard program of the dose delivery for every individual patient and to study the criterion of quality assurance in intensity modulated radiotherapy (IMRT).
目的建立个体化调强适形放射治疗（IMRT）计划剂量验证的标准方法，探索调强剂量质量保证实施规范。
The dose limitation element is coupled to the delivery element in such a way that it attains the dose limitation position in conjunction with this movement.
剂量限定元件以如下方式与输送元件相耦接，即，使得剂量限定元件在此中到达其剂量限定位置。
The result is a cholera vaccine made in Vietnam that costs less than $1 a dose, and that includes delivery and the costs of the overall immunization campaign.
结果在越南生产这种疫苗的成本还不到1美元，而且这1美元当中还包含了运费和免疫宣传费用。
New, complex radiotherapy delivery system techniques require dosimeters that are able to measure three-dimensional dose distributions accurately and with good spatial resolution.
新的更为复杂的放射治疗技术要求辐射剂量计能够准确的测量三维剂量分布，提供高的空间分辨率。
Placement of gold fiducials is required for real-time tracking and delivery of a high-dose therapeutic beam of radiation to the tumor.
放置金基准点可以实时追踪和发放及剂量的治疗性射线用于肿瘤治疗。
Objective: To explore the dose-response relationship of ropivacaine in the spinal anesthesia of patients undergoing uterine-incision delivery.
目的：探讨新型酰胺类局麻药罗哌卡因用于剖宫产患者腰麻的量效关系。
Objective: To explore the dose-response relationship of ropivacaine in the spinal anesthesia of patients undergoing uterine-incision delivery.
目的：探讨新型酰胺类局麻药罗哌卡因用于剖宫产患者腰麻的量效关系。
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