growth n. 1.生长,成长,发育,发展。 2.栽培,培养。 3.生长物,产物;【医学】瘤,赘生物。 4.【经济学】(资本价值与收益的)预期增长。 a growth of weeds 杂草丛生。 evil growths 弊病。 of foreign growth 外国培植的。 of home growth 本国培植的。 of one's own growth 自己栽培的。 reach full growth 充分发育,成熟。
In order to instruct the afforestation in daqing city and saline - alkali land park of the no . 7 oil production company , growth conditions of afforestation trees in 131 soil point with different soil soluble salt of 0 . 1 % ~ 0 . 3 % , 0 . 3 % ~ 0 . 5 % , 0 . 5 % ~ 0 . 7 % and > 0 . 7 % were investigated and analyzed based on chemical properties mensuration of the plan land soil in different surface layer and referred to different stalt - resistance upper limit of trees 摘要为更好地指导大庆市及采油七厂公园盐碱地的绿化,在规划地土壤表层化学性质测定的基础上,参照不同树木耐盐能力上限,分别对全盐量在0 . 1 % ~ 0 . 3 % 、 0 . 3 % ~ 0 . 5 % 、 0 . 5 % ~ 0 . 7 % 、 > 0 . 7 %的131个样点上绿化树种的生长状况进行了调查及分析,并进而给出了树种选择及绿化工作的建议。
This paper conducted the comprehensive discussion and analyses of cupressus gigantean biological characteristic and taxology character , geographical distribution situation , habitat condition and growth condition , research and protection status , made an according addition to the former narration , raised some authors ' opinions and guesses 摘要对巨柏的生物学特性、分类学特徵、地理分布状况、生境条件及生长状况、研究及保护现状进行了综合的论述和分析,并通过实地考察和勘测,对一些前人的论述做了相应的补充,提出了一些自己的见解和推测。
Effects of physical factors on the growth of strain ag were of light intensity , temperature , inoculum volume , initial ph , effects of nutrient factors on the growth of strain ag included organic carbon sources , organic nitrogen sources , growth factors , hormone etc . , and the correlation among nutrient factors being considered . the growth condition of single filament on the plate was also studied 主要内容包括物理因子如光强、温度、接种量和ph值等对螺旋藻生长的影响;化学因子包括有机碳源、有机氮源、生长因子、生长激素等对螺旋藻生长的影响及这些营养因子之间的综合作用,并解决了单藻落平板生长问题。
Various factors affecting the refractive index and the deposition rate of the deposited films are studied to optimize growth conditions of the films . the microstructures and optical properties of the films are characterized by a prism coupler , a fourier transform infrared spectroscopy ( ftir ) and an atom force microscopy ( afm ) 研究了薄膜折射率和淀积速率与工艺参数之间的关系,通过棱镜耦合仪、傅立叶变换红外光谱、原子力显微镜、扫描电子显微镜等测试手段,分析了薄膜的结构和光学特性。
Experiment research shows : this system has certain precision of observing and controlling , according to the need that the crop grows , this system has realized the automatic regulation to four kinds of main environmental factors in the greenhouse which is temperature , humidity , co2 and illuminance , and this system have offered the good growth condition for the crop is grown rapidly , high - quality , high yield 实验研究表明:本系统具有一定的测控精度,系统根据作物生长的需要,实现了温室内温度、湿度、 co _ 2和光照度四种主要环境因子变化的自动调节,为作物速生、优质、高产提供了良好的生长条件。
( 4 ) for a class of fully linearizable general nonlinear systems , a wavelet network - based direct adaptive output feedback controller is proposed . the nonlinearities are not required to be affine and be linear with unknown system parameters and satisfy any global growth condition . a wavelet network is applied to construct an ideal implicit feedback linearization control to realize approximate linearizaton ( 4 )利用理想隐式反馈线性化的思想,将小波网络直接自适应输出反馈控制器摘要博士学位论文推广到更一般的可精确反馈线性化的非仿射系统,给出了具体的设计方法,通过切apunov理论证明了闭环系统的稳定性。
In this paper , pure and doped ktp crystals were grown from the flux using a top - seeded method , and special technique have been used to lower the electrical conductivity to three orders of magnitude than common flux ktp , the values is up to 10 - 10 ( cm ) - 1 , this overcame the shortcoming that common flux ktp cannot be used in e - o application field because of having higher electrical conductivity . the growth condition , doped elements and annealing technology were investigated . single crystals of ktp with high quality and big z - cut cross section were obtained by optimizing the parameter of crystal growth 本实验采用顶部籽晶熔剂法生长了纯的以及不同掺杂的ktp晶体,用特殊工艺处理技术将普通熔剂法ktp的电导率降低了三个数量级,达到了10 ~ ( - 10 ) ( cm ) ~ ( - 1 ) ,解决了普通熔剂法ktp晶体由于离子电导率太大而无法用于电光应用领域的困难;对ktp晶体的生长条件、掺杂元素以及退火工艺等进行了研究,通过优化生长工艺技术参数,突破了工艺技术生长难关,得到了高光学均匀性、具有大z切面的ktp单晶。
Then we grew the material with different active layer growth temperature , different v / ratio , different doping concentration and form . after that , we tested these materials by photoluminescence ( pl ) technology , and got the best growth condition according to the results of photoluminescence spectra . our result was that the active layer growth temperature was 700 , v / ratio was 60 , waveguide layer doping was gradual changed ( n - type doping with sih4 from 190sccm to 590sccm , p - type doping with dmzn from 90sccm to 490sccm ) 然后在不同的有源区生长温度、 /比、掺杂方式及浓度情况下对激光器材料进行外延生长,并利用光荧光( pl )技术对不同生长条件下外延材料的光致发光特性进行了测试对比,结果表明在下列条件下生长出来的材料具有更好的光学和电学性能:有源区生长温度在700 、波导层/比选择为60 、 n型波导渐变掺杂190sccm - 590sccm的sih _ 4 、 p型波导渐变掺杂90sccm - 490sccm的dmzn 。
For the cryogenic preservation of fish , in this paper we made the primary culture of the kidney of allotetroploid crucian carp and primary studies were carried out on cryopreservation culture offish embryo cells derived from misgurnus auguillicaudatus or grass carp , the results of the experiments are as follows : the primary cell culture of the kidney tissue derived from allotetroploid crucian carp was carried out using tissue adherent culture , the primary observations of the growth conditions and morphology of the primary culture and subculture cells which originally come from the kidney tissue were also made 本文主要从鱼类种质保存的目的出发,一方面以四倍体鲫鲤鱼为材料,对四倍体鲫鲤鱼肾脏组织进行初步培养,为建立相应细胞库及下一步培养冻存的鱼类胚胎细胞奠定基础;另一方面,以鱼类组织细胞培养技术为基础,泥鳅胚胎细胞为材料,对鱼类胚胎细胞冻存培养方法进行初步研究,并应用该技术方法对草鱼早期胚胎细胞进行冻存培养实验。报告如下:本文用组织贴壁法对四倍体鲫鲤鱼肾组织进行原代、传代培养。