These plasmids occur naturally in nature; they were discovered in micro-organisms and they also confer some biological properties onto micro-organisms.
这些质粒在自然界中自然存在；它们是在微生物中发现的，它们也赋予了微生物一些生物学特性。
The biological properties were as follows: (1) Well developed roots.
其主要的生物学特性是：（1）根系发达。
The Biological properties of titanium implant depend on its surface oxide film.
钛植入体的生物学性能取决于其表面氧化膜的表征。
This paper reviews the biological properties of pyruvate decarboxylase and its application.
该文综述了丙酮酸脱羧酶生物学性质及其应用前景。
The physical and biological properties of porous hydroxyapatite maxillofacial bone were studied in this paper.
本文研究了多孔型羟基磷灰石颌面骨的物理性能与生物性能。
This article is a perspective study on its physical, chemical, biological properties and the immunochemical detecting methods.
本文综述了桔青霉素的物理、化学和生物学特性及其免疫学检测方法研究进展。
Objective To investigate the effects of energy controllable steep pulses on the biological properties of human ovarian cell in vitro.
目的研究不同剂量的能量可控陡脉冲对体外培养的人卵巢癌细胞生物学性状的影响。
Objective: to establish subcutaneous transplanted model of human invasive mole in nude mice and to explore their biological properties.
目的：建立人侵蚀性葡萄胎裸鼠皮下移植瘤模型，探讨其生物学特性。
This review introduced researching progresses of lycopene in its chemical structures, biological properties and physiological function.
本文介绍了目前国际上对番茄红素的结构、性质和生理功能等方面的研究进展情况。
In this paper, influences of different grafting patterns on surviving rates and biological properties of cucumber seedlings were studied.
研究了不同嫁接方式对黄瓜嫁接苗成活率、生物学性状及其植株抗病性的影响。
This study was focused on the impacts of garlic amendment on cucumber growth and soil biological properties by potted tests in a greenhouse.
利用盆栽试验研究大蒜干样还田后，对日光温室黄瓜生长及土壤生化特性的影响。
Because of difficulties associated with the culture, cloning and propagation, the biological properties of these cells remain largely unknown.
因为这类细胞培养、克隆、增殖都比较困难，其生物学特点至今知之甚少。
Conclusion 12g5 can change the biological properties of HL-60 cells and inhibit proliferation and survival of leukemia cells at a certain level.
结论12g5可改变HL 60细胞的生物学特性，从而在一定程度上抑制白血病细胞的增殖，影响细胞生存。
Flow cytometry tests biological properties of single cell or organelle, and classifies and collects specified cells or organelles from the group.
流式细胞检测项目可检测单个细胞或细胞器的生物学性质，并把特定的细胞或细胞器从群体中加以分类收集。
Because of nice biological properties of silk materials, studying on the biomaterials based on silk fibroin has attracted more and more interest.
丝素材料由于其良好的生物学性能，用作生物医用材料的研究日益引起人们的兴趣。
The wastewater is the water quality on physical properties, chemical properties and biological properties has been changed after human activities.
所谓污水就是经过人类活动使水质在物理性质、化学性质及生物性质方面发生变化的水。
Objective In order to investigate whether the 12-week-old embryo brain choroid plexus epithelial cells have neural stem cell biological properties.
目的探讨人12周龄胚胎脑脉络丛上皮细胞是否具有神经干细胞的生物学特性。
The microbial lipopeptides, which is an important kind of biosurfactants, possesses powerful surface activities and peculiar biological properties.
微生物脂肽是一类具有很强表面活性和生物特性的生物表面活性剂。
At the initial stages of restoration, improvement on the soil biological properties by lichen and moss were represented mainly on surface layer soil.
在恢复初期，地衣和苔藓对土壤生物学性质的改善主要体现在土壤表层。
The main drives of succession include canopy density of rubber forest, management, climate, soil condition and the biological properties of vegetation.
演替驱动力主要有：胶林郁闭度、胶林抚育管理措施、气候和土壤条件以及胶林植被本身的生物学特性。
Their hydrophobic properties were similar to each other. As for their biological properties, they could kill some cancer cells like cells of melanocytoma.
对它们生物学性质的检测，发现它们都能杀伤黑色素瘤细胞，但缺乏抑制无细胞蛋白质生物合成的能力。
The structure and biological properties of starch, starch-based focus on bio-degradable plastic applications and research developments were briefly described.
简单介绍了生物淀粉的结构和性能，重点介绍了生物淀粉基降解塑料的应用和研究进展。
Soil organic carbon plays an important role in terrestrial ecosystem carbon pool, and has profound effect on soil physical, chemical and biological properties.
土壤有机碳是陆地生态系统碳库中的重要组成部分，对土壤的物理、化学和生物学性质有深刻的影响。
The main biological properties of superoxide dismutase (EC 1.15.1.1 abbreviated to SOD) in the extract of the above-ground portion of rice-seeding were studied.
本文研究了稻苗地上部分提取液中超氧物歧化酶(Ec1.15.1.1简称SOD)的主要生化特性。
The advantages and progresses of investigations on angiopoietins, angiopoietin related proteins and their molecular and biological properties have been reviewed.
对血管生成素及其相关蛋白的研究进展和分子生物学特性进行了综述。
The biological properties of anthraquinones include antioxidation, antiinflammatation, antibacterial, antiproliferation of tumor cells and induction of apoptosis.
蒽醌化合物具有抗氧化，抗炎，抗菌，抑制肿瘤细胞生长，诱导肿瘤细胞凋亡等生物学特性。
Objective to establish a human bile duct carcinoma model on the chick embryo chorioallantoic membrane (CAM) and study its morphological and biological properties.
目的建立人胆管癌鸡胚移植瘤模型，研究其形态学及生物学特性。
AIM: To investigate the biomechanical and biological properties of retrograde nail and dynamic condylar screw in the treatment of femoral supracondylar fractures.
目的：探讨逆行交锁钉与动力髁螺钉固定股骨髁上骨折的生物力学及生物学性能。
This report concerns an observation on the biological properties of orthomyxoviruses type A in the condition of symbiosis with streptococcus A in embryonated eggs.
本文对甲型链球菌与甲型流感病毒在鸡胚共生时流感病毒的生物学特性进行了观察。
This report concerns an observation on the biological properties of orthomyxoviruses type A in the condition of symbiosis with streptococcus A in embryonated eggs.
本文对甲型链球菌与甲型流感病毒在鸡胚共生时流感病毒的生物学特性进行了观察。
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