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Although many genetic mutations have been suggested as causes or risk factors for Parkinson's disease, the low penetrance of some mutations and the low disease concordance in relatives suggests that there must be interactions between multiple factors.

虽然许多遗传突变已经被认为是帕金森氏病的危险因素，但是一些突变基因的外显率低，家族相关的发病率也低，这说明一定有多因素的交互作用。

These years, as the developing of low-permeability gas reservoirs, researches on low-permeability gas reservoirs percolation rule become more and more important.

近年来，随着低渗透气藏的不断开发，对低渗透气藏中流体渗流规律的研究越来越引起人们的重视。

The main products are: Hammer, thermal conductivity detector, permeameter, contraction of the expansion device, hand-held strain gauge, waterproof material detector, low-bending device, slag ball content in separators, heat load tester, performance test combustion furnace, a variety of thickness, thermal expansion of graphite electrode NG, coal strength meter, electric tamping device, hydrophobicity tester, mineral wool density meter, concrete drilling sampling machines, sawing machines, removed machine, setstube machine, hydraulic bending machine, impervious tester, determination of heat resistance, heating telescopic measuring device, an extension device, penetration tester, small meter, viscometer, drying time tester, pencil hardness tester, pendulum hardness, the adhesion tester, film zoned grid, and resistant to scrubbing detector, solvent resistance detector, wearable device, flat grinding device, wear-resistant coating shakeout device, staining resistance tester, impact tester , piercing instrument, instrument bending film, film coating, and sanding machines, cone-shaped grinding, high-speed dispersion machine, three roller grinder, Scratch tester, indentation tester, gloss Miriam, white tester, fresh video of Miriam, Miriam reflectivity, iron cobalt colorimeter, paint density cup, crack resistance testing apparatus, leveling device, flow hanging device, visual color box, the minimum temperature detector into a grinding, low temperature brittleness tester, visual color boxes, electronic pull machine, Mooney Viscometer, vulcanizing device, the proportion of direct-reading, the cold compression tester, heritage wearable device, Heritage scratch device, the friction coefficient detector, coating Detect zoned grid plate , coating resistance tester, such as burning a variety of test equipment.

主要产品有：回弹仪、导热系数测定仪、渗透仪、收缩膨胀仪、手持应变仪、防水材料检测仪、低温弯折仪、渣球含量分离器、热荷重试验仪、燃烧性能试验炉、各种测厚仪、石墨电极热膨胀仪、煤强度测定仪、电动击实仪、憎水性测试仪、矿棉容重测定仪、混凝土钻孔取样机、锯切机、磨平机、套丝切管机、液压弯管机、不透水试验仪、耐热性测定具、加热伸缩测定器、延伸仪、针入度仪、细度计、粘度计、干燥时间试验器、铅笔硬度计、摆式硬度计、附着力测试仪、漆膜划格器、耐洗刷测定仪、耐溶剂测定仪、耐磨仪、平磨仪、涂层落砂耐磨仪、耐沾污测试仪、冲击试验仪、穿孔仪、漆膜弯曲仪、涂膜涂布器、砂磨机、锥形磨、高速分散机、三滚研磨机、划痕试验仪、压痕试验仪、光泽仪、白度仪、鲜映性仪、反射率仪、铁钴比色计、涂料密度杯、抗裂性试验仪、流平仪、流挂仪、目视比色箱、最低成磨温度测定仪、低温脆性试验仪、目视比色箱、电子拉力机、门尼粘度仪、硫化仪、直读比重计、压缩耐寒试验仪、文物耐磨仪、文物划痕仪、摩擦系数测定仪、涂层检测划格板、涂层耐燃烧试验仪等多种试验仪器。

The peanut oil received is high in purity , the content of phosphatide is low, the color and luster is shallow, the acid plant and the oxidizing value passes low.

得到的花生油纯度高、磷脂含量低、色泽浅、酸植及过氧化值也低。

Parathyroid hormone also causes phosphaturia, resulting in a low-normal or low serum phosphorus leel.

甲状旁腺激素还能引起高磷酸盐尿症，导致低常规或低血磷水平。

In the case of electrostatic business card printing and membership card preparation of digital business card printing and membership card-making machine, photocopying machines or desktop business card printing and membership card making machine is the most common, and on this kind of business card printing and membership card equipment requires a paper in temperature and humidity of the environment and good dimensional stability, low flexing and low wrinkle, also requires appropriate crocking, surface conductivity, adequate stiffness, and business card printing and membership card number in the process of making paper or dust.

如利用静电制卡和会员卡制作原理的数字化制卡和会员卡制作机、复印机或台式制卡和会员卡制作机最为普遍，对这类制卡和会员卡制作设备就要求纸张在温湿度变化的环境下，有良好的尺寸稳定性、低挠曲性及低起皱性，同时还要求有适当的耐磨擦性、表面导电性、足够的挺度，而且在制卡和会员卡制作过程中少掉纸毛或灰尘。

In the case of electrostatic business card printing and membership card preparation of digital business card printing and membership card-making machine, photocopying machines or desktop business card printing and membership card making machine is the most common, and on this kind of business card printing and membership card equipment requires a paper in temperature and humidity of the environment and good dimensional stability, low twice the total mass, and low wrinkle, also requires appropriate crocking, surface conductivity, adequate stiffness and business card printing and membership card number in the process of making paper or dust.

如诳骗静电制卡和会员卡制息道理的数字化制卡和会员卡制息机、复印机或台式制卡和会员卡制息机最为个别，差这类制卡和会员卡制息摆设不离请求纸张在温干度改变的境况下，有精良的尺寸安不退性、矮挠曲性、及矮起皱性，同时还请求有不合的耐磨擦性、暗地导电性、不足的挺度、而且在制卡和会员卡制息历程洋众失纸毛或尘埃。

In the whole growth period, the genotype of high nitrogen use efficiency had low photorespiratory rate and the ratio of photorespiration to photosynthesis, while low nitrogen use efficiency had high photorespiratory rate and the ratio of photorespiration to photosynthesis.

从整个生育期看，氮利用效率高的水稻光呼吸速率较低，其相对光呼吸较小；氮利用效率低的水稻光呼吸速率较高，其相对光呼吸较大。

We aimed to solved the problem of the low efficiency and low mineralization of the treatment of photocatalysis or photosensitization alone and set up a theoretical model and a practical technic flow for the efficient degradation of pollutants under solar irradaition.

解决光催化与光敏化长期长期分离处理的低效和矿化不彻底的难题，为利用太阳光高效降解污染物提供理论模型和切实可行的工艺流程。

The R effect on time-dependent phototropism was further studied by characterizing its fluence-response relationship. The results showed the R effect was a low-fluence-response, unlike those on pulse-induced phototropisms that show a very-low-fluence-response mode.

本研究进一步分析了红光对蓝光照射时间依赖型向光性影响的光量反应曲线，发现该反应不像红光对脉冲蓝光诱导的向光性的影响那样属于超低光量反应，而是一种低光量反应，且之后的脉冲远红光可以逆转红光对TDP影响的效果。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。