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- The several theoretical models of cell inactivation or cell survival fraction are introduced. 摘要介紹了經(jīng)輻射損傷后細胞失活或存活的理論模型及相關(guān)問(wèn)題的一些研究工作。
- The results of colony-formation assay suggested that the smac gene transferred group showed significantly lower survival fraction than vector pcDNA3.1 transferred group (P<0.05). 克隆形成實(shí)驗結果表明;轉染smac基因組細胞12C6+離子照射后的存活分數較轉染空載體組細胞顯著(zhù)降低(P<0.;05)。
- Methods The surviving cell number and surviving fraction (SF) of MCF 7 and Colo 205 cell lines following irradiation with 2,4,and 8 Gy were measured by using Courtenay Mills clonogenic and growth assays. 方法選用人類(lèi)乳腺癌MCF?7及結腸癌Colo205細胞株，在接受2Gy、4Gy、8Gy放射處理后，用以上兩種方法檢測活存的腫瘤細胞數。
- The surviving fraction of Hitler’s library is unrepresentative. 希特勒藏書(shū)中留存下來(lái)的那部分并不具備代表性。
- Cell cycle analysis suggested that SW1990-R, ASPC-R, MIA-R, PAN-R and P3-R had lower G_2/M and greater SF_2 (survival fraction after 2 Gy irradiation) compared with the parental cell lines. 耐放射株SW1990-R、ASPC-R、MIA-R、PAN-R及P3-R的G2/M均明顯降低,而放射敏感性指標SF2升高9%25~45%25。
- The surviving fraction of 125 I-UdR groups were significantly lower than that of Na 125 I groups(P<0.01). 1 2 5I UdR組的存活分數明顯低于Na1 2 5I對照組 (P <0 0 1) ;細胞存活分數有隨培養基中放射性濃度和培養時(shí)間增加而降低的趨勢。
- The survival curves of heavy ions showe d as lines and one-target models, when survival fractions were 50% and 10%, the RBE of SMMC-7721,HeLa and B16 cells were 3.40? 2.76? 4 67 and 1.88? 細胞經(jīng)重離子處理后表現為無(wú)肩區的存活曲線(xiàn) ,屬單靶擊中模型 ,在細胞存活分數為 5 0%25和 10%25時(shí)得到SMMC 772 1、HeLa、B16細胞的RBE值分別為 3 40、2 76、4 6 7和 1 88、1 5 3、2 2 2。
- The liver cancer cell BEL7402 surviving fraction did not change obviously after 24 hours or 48 hours hypoxia, whereas, those which were radiated with hypoxia compared with not increased obviously. 缺氧24h與48h組的肝癌細胞株BEL7402存活分數變化不明顯,加照射后的實(shí)驗組則明顯下降而缺氧加放射組與單純放射組比較細胞存活分數明顯升高。
- Survival is our first imperative. 我們當務(wù)之急是設法生存下來(lái)。
- That fashion is a survival from the 1930s. 那種時(shí)裝是三十年代的遺風(fēng)。
- The soil absorbs only a fraction of the rain that beats down. 土壤只吸收猛打到地面上的雨水的一部分。
- The old man is a survival of the past age. 這老人乃上一個(gè)時(shí)代的遺老。
- Today the survival of our species is threatened. 今天人類(lèi)的生存受到了威脅。
- I'll be ready in a fraction of a second. 我馬上就好。
- Does our only hope of survival lie in disarmament? 我們求生的唯一希望就在於裁軍嗎?
- The story does not contain a fraction of truth. 這故事沒(méi)有一點(diǎn)真實(shí)性。
- He has done only a fraction of his homework. 他只做了家庭作業(yè)的一小部分。
- The car stopped within a fraction of an inch of the wall. 汽車(chē)在離墻不到一英寸的地方停住了。
- We need food and water for survival. 我們?yōu)榱松嫘枰澄锖退?/li>
- Could you move a fraction closer? 你能不能稍微再挪近點(diǎn)兒?
