Together with predation, it is the most important density-dependent factor in regulating population growth.
在调节种群增长方面，它与捕食一起是最重要的密度制约因子。
Cows, like humans, produce insulin-like growth factor in response to growth hormones and release it into the blood, and the protein makes its way into their milk.
奶牛和人一样，也能在生长激素的作用下分泌类胰岛素生长因子，这种蛋白质被释放到血液里，从而进入到牛奶中。
Although plenty of LABS have made them, there are no standardized recipes for the nutrient and growth factor broths that help them grow into properly beating cells.
虽然许多实验室已成功制得心肌细胞，但是目前科学界尚无标准的养料和生长因素的培养基配方来帮助其培养成正常跳动的细胞。
Couples who had just fallen in love had significantly higher levels of nerve growth factor, or NGF.
刚刚坠入情网的恋人明显有较高水平的神经生长因子。
Researchers have discovered that some people have a rare genetic mutation that decreases their cells' use of a particular growth hormone: insulin-like growth factor 1 (IGF1).
研究人员发现了一些人已经发生了极少量的基因变异，这种变异减少了细胞对某种生长激素（即，胰岛素样生长因子1（IGF1)）的使用。
If you look in the normal population and ask what fraction of people have [a defect in methylation in the gene encoding insulin-like growth factor 2] it's about 5 percent.
如果你观察普通人群，调查多少比例的人有[胰岛素类生长因子2基因编码甲基化的缺陷]，大概是百分之5。
Erbitux, for example, binds to a cell-surface protein called epidermal growth-factor receptor (EGFR).
例如，艾比特思和名为表皮生长因子受体(EGFR)的细胞表面蛋白的结合。
The size of water dogs, she found, is governed mainly by variations in a gene called insulin-like growth-factor 1—and that is probably true of other breeds as well.
他发现水狗的体型主要由一种叫做胰岛状生长因子1号决定的，这个发现也会同样适用于其他品种。
Human tumor cells expressed high levels of growth factor and its receptor.
人类肿瘤细胞表达高水平的生长因子及其受体。
A surprising finding was evidence of a protective effect of pregnancy as well, since the expression of many hormone and growth factor signaling genes suggests protection.
一个令人惊奇的发现是怀孕也有保护效应，因为许多表明保护作用的激素和生长因子信号基因也有表达。
Two or three channels imprinted onto the plastic square contain either a normal cell growth medium or a chemical under study, such as growth factor.
印在塑料方块上的两、三条通道通常包含一个正常的细胞生长介质或者研究中的化学物质如生长因子。
Objective to explore the effect of hepatic growth factor on the neuronal differentiation of the neural stem cells.
目的观察肝细胞生长因子对神经干细胞向神经元细胞方向分化的作用。
It is an antibody for a protein called nerve growth factor (NGF), which is vital for new nerve growth during development.
这是一种蛋白质抗体名为神经生长因子(以下简称NGF)，它在新神经的增长过程中很重要。
Epidermal growth factor receptor mutations and susceptibility to targeted therapy in lung cancer.
肺癌中表皮生长因子受体的突变及对靶向治疗的敏感性。
Gefitinib-sensitive mutations of the epidermal growth factor receptor tyrosine kinase domain in chinese patients with non-small cell lung cancer.
中国的非小细胞肺癌病人中吉非替尼敏感的表皮生长因子受体酪氨酸激酶区域的突变。
While its newly identified growth factor role is only one of several functions, that function is fundamental.
新鉴定出的生长因子的功能只是几种功能中的一种，这是一种基本的功能。
Objective to analyze the influence of topical application of nerve growth factor on nerve ending regeneration of large skin grafts in patients.
目的观察局部应用鼠神经生长因子对大张移植皮片感觉神经末梢再生过程的影响。
Objective: to determine the amino acid composition and isoelectric point of porcine platelet-derived growth factor.
摘要目的：测定猪血小板衍生生长因子的氨基酸组成和等电点。
In the ribs of control group (non-fractured part), only mesenchymal cells of periosteum and skeletal muscle fiber showed nerve growth factor stained lightly.
对照组(非骨折部位)的肋骨，只有骨膜的间质细胞及骨骼肌纤维显示神经生长因子轻度着色。
To make the physics image clear in analyzing the transverse emittance growth, we introduced the conception of emittance growth factor for linear effect induced transverse emittance growth.
在束流横向发射度的分析中，引入了发射度增长因子的概念，使得在分析线性效应引起发射度增长时的物理图像更加清晰。
Objective To investigate the effect of vascular endothelial growth factor in kidney lesion of rats with preeclampsia.
目的研究血管内皮生长因子在先兆子痫大鼠肾损伤中的作用。
This gene encodes a growth factor that promotes new synaptic connections between neurons so that a memory is retained.
这个基因编码的生长因子能够促进神经元之间新的突触连接，使记忆延续。
BACKGROUND: Studies have shown that nerve growth factor microspheres can promote repair of spinal cord injury.
背景：已往研究表明，神经生长因子微球对脊髓损伤的修复有促进作用。
A total of 210 women with early breast cancer who tested positive for human epidermal growth factor receptor 2 (HER2) were enrolled.
共有210名患有人表皮生长因子受体2 (HER2)阳性的早期乳腺癌的女性患者参加了实验。
They found a molecule in the cells, called a "growth factor receptor", that AIDS the tumor's expansion in the brain.
他们在细胞发现了一种分子，称为“生长因子受体”，即帮助肿瘤在大脑中的增值。
They found a molecule in the cells, called a "growth factor receptor", that AIDS the tumor's expansion in the brain.
他们在细胞发现了一种分子，称为“生长因子受体”，即帮助肿瘤在大脑中的增值。
应用推荐