生长性的

Quantitative structure-activity relationship studies showed that when the test grass was rape, their herbicidal activity was mainly related with substituent molar refractivity; when the test grass was barnyard grass, their herbicidal activity was mainly related with the electronic parameters of the substituents at the para-position of benzene ring.

定量的结构与活性关系研究表明，当作用对象为油菜时，化合物的活性可能主要与取代基R的摩尔分子折射常数有关；当作用对象为稗草时，化合物的活性可能主要与取代基R的电性参数有关。1-位为氢时，有利于对油菜生长的抑制；1-位为甲基时，有利于对稗草生长的抑制。

The results Showed that twenty isolates have the following biological aspects:① Capability of forming capsule,② Growth at 37℃ within 3days,③ Forming brown colonies on Niger seed agar, CACA agar,④ Urea hydrolysis test positive within 96 hours.⑤ No blue colonies were found on CGB agar.⑥ The genus could be identified by ID32 identification kid, but the species could not.⑦ The sequence of the LSUrDNA D1/D2 region analyzed confirmed to be C. neoformans var neoformans.⑧ Serotype A and AD were found in these isolates, Serotype A was predominant(83.33%),⑨ Some biodiversities of isolates existed.

结果 20株菌皆具有以下特征：①形成英膜，②37℃3天内生长试验皆为阳性，③咖啡酸玉米琼脂和油菊籽培养基皆可以产生褐色菌落，④尿素酶试验96h皆呈阳性，⑤CGB培养基未见蓝色菌落生长，⑥ID32鉴定板可以鉴定到属，种的鉴定结果各不相同，⑦大亚基核糖体DNA的D1/D2区域序列分析证实皆为新生隐球菌的新生变种，⑧血清型仅见A和AD二型，以A型为多数(83.33%)，⑨20株临床分离株随机扩增DNA多态性分析有一定的生态多样性。

PDGF-BB is the most effective subtype in the PDGF family on the metabolism of osseous tissue or the treatment of wound healing, and its clinical application was approved firstly among the growth factors although it was used to treat the decubital ulcer of diabetes.

本研究通过分子克隆方法获取人血小板衍生生长因子B链成熟肽基因，构建原核表达载体；利用大肠杆菌体系原核表达人血小板衍生生长因子B链前体蛋白，并纯化、复性进而获得具有功能活性的PDGF-BB；并对获得的重组rhPDGF-BB蛋白进行体外功能活性鉴定，同时，初步探讨PDGF-BB在毕赤酵母中的表达，为寻找更优化的表达纯化方法提供实验学依据。

The results obtained from experiment for salt resistance showed that Distichlis palmeri Vs., which could grow at the soil salinity of 3.97-10.97 g/kg, was of strong salt resistance.

对帕尔默盐草的耐盐试验表明：该草具有较强的耐盐性，能在土壤含盐3.97-10.97 g/kg范围内生长，且在较低土壤盐度(3.97 g/kg)下有利于地下根茎的分化和新茎的形成与生长。

These are main problems of eutrophication.In this paper we selected alga that suits to grow under different concentration of nutrition, after selecting seed, domesticating, culturing alga purely in the lab, we gained Hydrodictyon reticulatum and microalga, most of which are Miorocystis and chlorella.

本文选取在不同营养水平条件下适合生长的藻类物种，在实验室进行选种、驯化和纯化培养，得到水网藻和微藻(主要为微囊藻Miorocystis、小球藻chlorella)；以实验室培养的生长速度快、生产能力高的水网藻为原料，制备一系列环境友好性光敏物质——叶绿素及其衍生物，运用光敏氧化分光光度法测定活性氧(O_2~-，H_2O_2，·OH，和~1O_2)，根据其光敏产生活性氧效率，进行光敏物质的筛选；选用叶绿素铜及其钠盐，以微藻为实验控制对象，以Cu~(2+)作培养对照，在相同光照、营养条件下进行控藻实验。

In order to understand the growth law of oil-tea camellia seedlings and to take technical measures to breed, the paper made a comprehensive study of the seedling height, ground diameter and leaf number of oil-tea camellia under four kinds of nursery substrata, and of the difference of growth increment between the different nursery substrata.

为了掌握油茶苗木的生长规律，便于采取科学合理的育苗技术，研究了在4种不同育苗基质条件下，油茶幼苗苗高、径粗、叶片数的生长规律，分析了4种育苗基质对油茶生长量的增加是否存在显著性差异。

No obvious changes in cell growth were observed in vitro, compared with the cell line NuTu-19. Tumor growth rate and tumor size were lower in the syngeneic rats Fischer 344, who were injected by IL-12, B7-1 or IL-12/B7-1 gene modified tumor cells, compared with those in the control group.

在体外培养条件下，与野生型NuTu-19相比，各种基因修饰的肿瘤细胞的形态和生长速度无明显改变，在动物体内的致瘤性有不同程度的下降，生长速度有所减慢。

METHODS The inhibitory effect of nobiletin on proliferation of SMMC-7721 cells was assessed by MTT analysis and growth curve assay. Morphological changes under microscope were observed by Giemsa staining. Hepatic cancer H22 model in mice was performed through subcutaneous inoculation of Right-Sidedness Axilla of KM mice. Different dosages of nobiletin 125, 250, 500mgkg^(-1 were injected by intragastric gavage everyday.

不同浓度的川陈皮素作用于人肝癌细胞SMMC-7721细胞，用MTT法、细胞生长曲线实验研究其对SMMC-7721细胞的生长抑制作用，Giemsa染色观察细胞形态变化，初步研究其体外抑瘤作用；建立小鼠H22肝癌移植性实体瘤模型，研究川陈皮素对肝癌的体内抑制作用。

Purified and refolded recombinant human endostatin was active in inhibiting tumor growth and metastasis.

经纯化和复性后的内皮生长抑制素在小鼠体内具有明显的抑制肿瘤生长和转移的作用。

Collagen has many useful features such as low antigenicity, controllable biodegradation, biological absorbable properties, haemostatic properties, ability to promote cellular growth and attachment.,which make it an excellent naturally occurring biomaterial, it has a wide application in medicinal industry and clinical medicine.

胶原蛋白是一种天然存在的具有很高利用价值的生物物质，其特有的极低的抗原性、可生物降解性、生物吸收性、止血性能和促进细胞生长的功能，使得近年来在医药工业和医学临床的研究和应用日益广泛。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。