照后劑量 的英文怎麼說
中文拼音 [zhàohòujìliáng]
照后劑量
英文
postdose- 照 : Ⅰ動詞1 (照射) illuminate; light up; shine 2 (反映) reflect; mirror 3 (拍攝) take a picture ...
- 劑 : Ⅰ名詞1 (藥劑; 制劑) a pharmaceutical or other chemical preparation 2 (某些有化學作用的物品) a...
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 劑量 : [物理學] [醫學] dosage; dose; dosis劑量槽 dosage bunker; 劑量測定(法) dosimetry; health work; ...
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Methods the optimal proportion of levant storax oil and dalbergiae odoriferae oil, which were active ingredients of the traditional chinese medicine styrax and dalbergiae odoriferae, was bolted by using uniform - design method ; the myocardial ischemia model of rats was set up through the induction of isoprel and the above rats were divided into 5 groups, which were model control group, high dose group of shuangxiangyou, middle dose group of shuangxiangyou, low dose group of shuangxiangyou, and positive control group of muskone
方法傳統中藥蘇合香和降香的有效成分蘇合香油和降香油最佳配比採用均勻設計方法篩選;建立由異丙腎上腺素造成的心肌缺血大鼠模型,將實驗分為模型對照組、雙香油高、中、低3個劑量組及冠心蘇合丸陽性藥物對照組后進行藥效學實驗。The section plane display algorithm is studied in the thesis, and the interaction section and curve section display is achieved, which can provide the aids for observation and analysis of organs. also, it is very helpful for the dose distribution analysis
本文研究了顯示任意剖面的演算法原理,並實現了互動式的任意剖面顯示和曲線剖面顯示,這不僅能為器官的觀察、分析提供幫助,同時能為在組織器官受到射線照射后定量、定位地分析劑量分佈提供很好的手段。The experiment includes two procedure. first, sd rats were conditioned with 5. 5gy sublethal total body irradiation ( tbi ), followed by infusion of balb / c mice bone marrow cells 8x107 on day 0, then were intraperitonially administered cyclophosphamide ( cp ) 150mg / kg on day 2. the procedure let sd rats become chimerism and have specific immunologic tolerance
實驗分兩步:第一步, sd大鼠經亞至死劑量5 . 5gy全身照射后,尾靜脈輸入balb c小鼠的骨髓細胞8 10 ~ 7 , 2天後腹腔內注射環磷酰胺150mg kg ,誘導形成嵌合體大鼠,使其對balb c小鼠產生特異性免疫耐受。The results showed that high concentration of 2, 4 - d was required for callus induction from mature seeds of tall fescue, and combination of 8mg / l 2, 4 - d with 2mg / l aba gave best induction effects. by slicing sterilized seeds longitudinally or cutting embryos, callus induction frequency was profoundly increased over intact seeds from one and half to eight times. adoption of ms basal medium and supplementation of 0. 5g / l casamino acids and 0. 5g / l glutamine in medium were found to help to facilitate callus induction
研究表明,高羊茅成熟種子愈傷組織誘導需要較高濃度的2 , 4 - d ,以8mg l2 , 4 - d與2mg laba配合能獲得最佳的誘導效果;種子滅菌后縱切或切胚,可使出愈率成倍提高;採用ms基本培養基和在培養基中添加0 . 5g l的水解酪蛋白與谷氨酰胺也有助於提高出愈率;低劑量( 10gy )射線輻照處理對成熟種子愈傷組織尤其是胚性愈傷組織形成有一定的刺激效應。The irradiative injury in porcine pituitary and target organs after different single dose irradiation
不同劑量照射后豬垂體和靶腺器官的放射損傷The present studies aimed to find the responses of neurons and glias in the target and other brain areas of the linear accelerator - irradiated rats. in the first experiment, time - dependent neurons changes in the brain after hemispheric irradiation at an single - fraction maximal dose of 20 gy were observed by investigating the expression of an immediate early gene, fos protein. the results shown : compared with that of the un - radiated rats, the expression of fos protein in the irradiated brain decreased distinctly 24 hours and 1 week after irradiation
首先,利用即刻早期基因fos的表達,做了同一照射劑量( 20gy )照射大鼠半腦后不同存活期間( 1d , 7d , 14d , 2ld , 28d )大鼠全腦神經元動態變化的觀察,發現:受照射后1d 、 7d大鼠腦內各部位fos蛋白表達均明顯減少,隨著時間的延長,其fos免疫反應性細胞數量逐漸增加,照射后28d ,延髓、第四軍醫大學碩士學位論文腦橋內hs免疫陽性細胞數量恢復並超過正常對照組水平,但中腦、間腦及端腦內未恢復到正常對照組水平。The assay system of the biological activity of lymphotoxin was established using l929 cell as the sensitive target, lt international standard as the positive control and crystal violet staining method to detect viable cell after treated with lt. the best relationship between dosage and effect could be got if the cell seeding density in cell plate was 1. 6 0. 1 104 the dosage of amd was lug / ml, and the starting concentration of dilution in the plate of lt standard was 10 iu / ml with two fold dilution. the credibility of the established system was detected with rhtnfp developed by r & d
為確定經上述步驟純化后得到的目的蛋自lt 27的生物活性,本研究以l929細胞為靶細胞、淋巴毒素國際標準品為參照,採用結晶紫染色法檢測經淋巴毒素處理后存活的細胞,對淋巴毒素生物活性測定的細胞接種濃度、淋巴毒素標準品板上稀釋的起始濃度和梯度稀釋的倍數、放線菌素d的使用劑量等進行條件實驗后,建立了人淋巴毒素生物活性測定方法。The studies expressed that the tensile - strength declined with the growth of dose rate after the radiation treatment, and at the same time, the gel content had extreme value with the change of the dose rate. the surface of uhmwpe fibers showed some irregular micro - pits and dents after radiation treatment, narnely rough degree increasing. their number and deepness increased with increase of dose. and this phenomenon is the most obvious when the dose rate was 8. 5kgy / s and the dose was 400kgy. at the same time some containing oxygen groups, including hydroxyl group, carbonyl group and carboxyl group, were introduced into the fiber surface which was exposed to the air
研究表明, uhmwpe纖維經電子束輻照處理后,纖維的拉伸斷裂強度隨劑量率的增加呈下降趨勢,凝膠含量隨著劑量率的變化存在極值。纖維表面出現了不規則的微裂紋和凹痕,隨著劑量的增大,電子束對纖維表面的刻蝕程度增加,在本研究中以劑量為400kgy劑量率為8 . 5kgy s時刻蝕效應最為明顯。同時,在空氣中進行輻照時,纖維表面被引入了一些含氧基團,包括羥基、羰基和羧基。Methods 50 wistar rats were sensitized by ovalbumin as animal model of ar and randomly divided into 5 groups : model group, ketotifen fumarate group, xinqin granules group, low - dose minkang tablet group, and high - dose minkang tablet group, another 10 healthy rats in normal group
方法除正常組外,其餘大鼠用卵清蛋白造成變應性鼻炎模型,隨機分為模型組、西藥對照組(酮替芬組) 、中藥對照組(辛芩沖劑組) 、敏康片小劑量組、敏康片大劑量組;用藥1周后觀察大鼠一般情況及鼻黏膜肥大細胞數、脫顆粒細胞數、血漿組胺的變化。In order to verify the reliability and validity of the heavy ion irradiation simulation of neutron and proton irradiations, radiation damage and its thermal annealing behavior in a - al2o3 irradiated at the equivalent dose by 85 mev 19f ions and by en > 1 mev neutrons, respectively, are studied
為驗證重離子模擬輻照的可行性,首先進行了等效劑量下的中子輻照與重離子輻照后- al _ 2o _ 3樣品中輻照損傷及其退火效應研究。The expression of topoisomerase ii of cultured cells treated low dose ionizing radiation decreased and then returned as time went. and become outstanding as radiation dose and frequency were added. inhibitor of topoisomerase ii could cause chromosome non - dis juction in mitosis and meiosis. and the co - effect of inhibitor of topoisomerase ii and ion
05 ) ,具有隨照射次數增加而增加的趨勢;小劑量電離輻射可以引起拓撲異構酶a表達變化,隨照射后時間延長先下降后回升,隨照射劑量和次數的增加,變化更加明顯;拓撲異構酶11a抑制劑可引起有絲分裂和減數分裂時染色體的不分離;拓撲異構酶a抑制劑和電高輻射的協同作用使染色體不分離更加明顯。The factor by which the equivalent dose in tissue or organ is weighted is called " tissue weighting factor ", which represents the relative contribution of that organ or tissue to the total detriment resulting from uniform irradiation of the whole body
體內所有組織與器官經加權后的當量劑量之和。這個權重因子稱為組織權重因子,它反映在全身均勻受照下各組織或器官對總危害的相對貢獻。The fact that there is no level of radiation which can be proven to cause no harm means that the international commission for radiological protection icrp recommends that no practice involving radiation be undertaken unless it is likely to bring a net benefit and that for any such practice, exposure should be kept as low as reasonably achievable alara principle, economic and social considerations being taken into account
由於任何輻射量都不能確保絕對安全,國際放射防護委員會在考慮經濟及社會因素后,建議盡量避免涉及輻射的治療或行為,除非所得的益處較輻射引致的壞影響大,並且在進行的過程中,應把輻照量維持在可合理使用最低劑量alara原則。Exponential phase cultures of the dr rl strain survive exposure to gamma radiation at doses as high as 5, 000 gy without loss of viability or evidence of dna damage induced mutation. 6000 gy of irradiation will induce approximately 200 dna double - strand breaks in dr chromosomes, but it is still able to reconstruct a functional genome from chromosomal fragments without any mutation
指數生長期的r1菌株即使在5kgy劑量的-射線照射后,其生長能力也未受影響, 6kgy -射線照射后染色體基因組產生約200個的雙鏈斷裂碎片,但是其基因組dna經修復后沒有引起任何的突變。The experimental results show that the large - size voids are created in tungsten irradiated to 20 dpa, the 10 - vacancy voids are observed in the commercial stainless steel irradiated to 22. 8 dpa, and the 5 - vacancy voids are detected in the home - made modified 316l stainless steel irradiated to 30 dpa
測量結果表明,鎢經過20dpa的輻照后,產生較大尺度的空洞;普通不銹鋼經22 . 8dpa的輻照后,出現包含10空位的空位團;國產改進型316l不銹鋼經30dpa輻照劑量后,僅產生五空位構成的空位團。The protein level of p27 klpl increased at ih, decreased from 6 to 24h after 2gy, it decreased from 3 to 24 h after logy, and the level of p27kipl associated with cdk2 decreased, then lost its inhibition function to cyclin - dependent kinase
Eycline / enkz的負調控因子p27k , p 』蛋白表達水平在zoy照射后lh略有增加, 6一9h開始下降; 10gy照射后3h開始下降,持續到24h ,可見,隨著ir劑量的加大和處理時間的延長, p27kip 『蛋白表達水平下降的程度加大。Measurement of dose field after supplement source in 60co irradiation chamber
輻照室增源后劑量場的劑量測定Dose field distribution and dose measurement before commissioning of 60co irradiation facilities
輻照裝置增源后劑量場分佈及劑量測定On the basi s of these results, time - dependent glias changes in the brain were observed with the same model by investigating the expression of s - 100 protein, a specific marker for glias, mainly for astrocytes. our results shown : compared with those of the unradiated rats, the number of s - 100 protein immunoreactive positive glial cells in the brains of the irradiated rats increased gradually. more s - 100 - positive glial cells with multiple long processes and hypertrophic cell bodies were also observed in these areas
在此基礎上,又做了同一照射劑量( 20gy )照射大鼠半腦后不同存活期間( id , 7d ; 14d , zld , 28d )大鼠全腦s 100動態變化的觀察,發現其規律如下:在上述時間點大鼠腦內各部位卜刁m蛋白免疫反應細胞數量進行性增加,伴有s 100免疫陽性細胞的胞體逐漸增大和交起增多,與正常對照組具有明顯的差異。After 89mj / cm2 and 214mj / cm2 irradiation, the proliferation of the cells showed no difference compared with the control group. the cells proliferation was enhanced b
結果發現,培養人皮膚成纖維細胞的增殖在接受89mj / cmz 、 214mj / cmz照射劑量后無變化,而在接受428mj / emz照射后,與對照組相比有顯著性差異。分享友人